| 1 | Guy Cooper | Unadilla Motocross | 125MX | October 14, 1990 |
| 3 | Mike LaRocco | Unadilla Motocross | 125MX | October 14, 1990 |
| 6 | Jeromy Buehl | Unadilla Motocross | 125MX | October 14, 1990 |
| 7 | Ron Tichenor | Unadilla Motocross | 125MX | October 14, 1990 |
| 9 | Todd DeHoop | Unadilla Motocross | 125MX | October 14, 1990 |
| 10 | Steven Childress II | Unadilla Motocross | 125MX | October 14, 1990 |
| 11 | Buddy Antunez | Unadilla Motocross | 125MX | October 14, 1990 |
| 12 | Denny Stephenson | Unadilla Motocross | 125MX | October 14, 1990 |
| 13 | Carlo Coen | Unadilla Motocross | 125MX | October 14, 1990 |
| 14 | David Gaylord | Unadilla Motocross | 125MX | October 14, 1990 |
| 18 | Patrick Barton | Unadilla Motocross | 125MX | October 14, 1990 |
| 19 | Barry Carsten | Unadilla Motocross | 125MX | October 14, 1990 |
| 23 | David Beckington | Unadilla Motocross | 125MX | October 14, 1990 |
| 2 | Guy Cooper | Budds Creek Motocross | 125MX | October 7, 1990 |
| 3 | Mike LaRocco | Budds Creek Motocross | 125MX | October 7, 1990 |
| 5 | Ron Tichenor | Budds Creek Motocross | 125MX | October 7, 1990 |
| 7 | Jeromy Buehl | Budds Creek Motocross | 125MX | October 7, 1990 |
| 10 | Barry Carsten | Budds Creek Motocross | 125MX | October 7, 1990 |
| 11 | Grayson Goodman | Budds Creek Motocross | 125MX | October 7, 1990 |
| 12 | Buddy Antunez | Budds Creek Motocross | 125MX | October 7, 1990 |
| 13 | Denny Stephenson | Budds Creek Motocross | 125MX | October 7, 1990 |
| 14 | Todd DeHoop | Budds Creek Motocross | 125MX | October 7, 1990 |
| 18 | Carlo Coen | Budds Creek Motocross | 125MX | October 7, 1990 |
| 19 | David Gaylord | Budds Creek Motocross | 125MX | October 7, 1990 |
| 23 | David Beckington | Budds Creek Motocross | 125MX | October 7, 1990 |
| 2 | Mike LaRocco | Steel City Raceway | 125MX | September 30, 1990 |
| 3 | Ron Tichenor | Steel City Raceway | 125MX | September 30, 1990 |
| 6 | Guy Cooper | Steel City Raceway | 125MX | September 30, 1990 |
| 7 | Jeromy Buehl | Steel City Raceway | 125MX | September 30, 1990 |
| 8 | Steven Childress II | Steel City Raceway | 125MX | September 30, 1990 |
| 9 | Buddy Antunez | Steel City Raceway | 125MX | September 30, 1990 |
| 12 | Grayson Goodman | Steel City Raceway | 125MX | September 30, 1990 |
| 13 | Larry Ward | Steel City Raceway | 125MX | September 30, 1990 |
| 16 | David Beckington | Steel City Raceway | 125MX | September 30, 1990 |
| 19 | Barry Carsten | Steel City Raceway | 125MX | September 30, 1990 |
| 20 | Cliff Palmer | Steel City Raceway | 125MX | September 30, 1990 |
| 21 | Todd DeHoop | Steel City Raceway | 125MX | September 30, 1990 |
| 24 | David Gaylord | Steel City Raceway | 125MX | September 30, 1990 |
| 2 | Larry Ward | Broome-Tioga Sports Center | 125MX | September 2, 1990 |
| 3 | Ron Tichenor | Broome-Tioga Sports Center | 125MX | September 2, 1990 |
| 5 | Mike LaRocco | Broome-Tioga Sports Center | 125MX | September 2, 1990 |
| 8 | Guy Cooper | Broome-Tioga Sports Center | 125MX | September 2, 1990 |
| 11 | Jeromy Buehl | Broome-Tioga Sports Center | 125MX | September 2, 1990 |
| 13 | Denny Stephenson | Broome-Tioga Sports Center | 125MX | September 2, 1990 |
| 16 | Buddy Antunez | Broome-Tioga Sports Center | 125MX | September 2, 1990 |
| 19 | David Beckington | Broome-Tioga Sports Center | 125MX | September 2, 1990 |
| 21 | Barry Carsten | Broome-Tioga Sports Center | 125MX | September 2, 1990 |
| 22 | Grayson Goodman | Broome-Tioga Sports Center | 125MX | September 2, 1990 |
| 23 | Carlo Coen | Broome-Tioga Sports Center | 125MX | September 2, 1990 |
| 1 | Mike LaRocco | Spring Creek Motocross | 125MX | August 19, 1990 |
| 2 | Donny Schmit | Spring Creek Motocross | 125MX | August 19, 1990 |
| 4 | Larry Ward | Spring Creek Motocross | 125MX | August 19, 1990 |
| 8 | Buddy Antunez | Spring Creek Motocross | 125MX | August 19, 1990 |
| 9 | Guy Cooper | Spring Creek Motocross | 125MX | August 19, 1990 |
| 13 | Ron Tichenor | Spring Creek Motocross | 125MX | August 19, 1990 |
| 14 | Jeromy Buehl | Spring Creek Motocross | 125MX | August 19, 1990 |
| 15 | Denny Stephenson | Spring Creek Motocross | 125MX | August 19, 1990 |
| 18 | Lance Smail | Spring Creek Motocross | 125MX | August 19, 1990 |
| 20 | David Gaylord | Spring Creek Motocross | 125MX | August 19, 1990 |
| 21 | David Beckington | Spring Creek Motocross | 125MX | August 19, 1990 |
| 22 | Steven Childress II | Spring Creek Motocross | 125MX | August 19, 1990 |
| 23 | Todd DeHoop | Spring Creek Motocross | 125MX | August 19, 1990 |
| 24 | Grayson Goodman | Spring Creek Motocross | 125MX | August 19, 1990 |
| 1 | Guy Cooper | Washougal Motocross | 125MX | August 12, 1990 |
| 2 | Mike LaRocco | Washougal Motocross | 125MX | August 12, 1990 |
| 3 | Larry Ward | Washougal Motocross | 125MX | August 12, 1990 |
| 5 | Buddy Antunez | Washougal Motocross | 125MX | August 12, 1990 |
| 9 | Denny Stephenson | Washougal Motocross | 125MX | August 12, 1990 |
| 10 | Lance Smail | Washougal Motocross | 125MX | August 12, 1990 |
| 12 | Rodney Smith | Washougal Motocross | 125MX | August 12, 1990 |
| 13 | Grayson Goodman | Washougal Motocross | 125MX | August 12, 1990 |
| 16 | Tony Graves | Washougal Motocross | 125MX | August 12, 1990 |
| 17 | Rick Simmet | Washougal Motocross | 125MX | August 12, 1990 |
| 19 | Don Bisceglia | Washougal Motocross | 125MX | August 12, 1990 |
| 22 | Mike Bell | Washougal Motocross | 125MX | August 12, 1990 |
| 3 | Larry Ward | Kenworthy's Motocross Park | 250MX | July 29, 1990 |
| 4 | Mike LaRocco | Kenworthy's Motocross Park | 250MX | July 29, 1990 |
| 4 | Guy Cooper | Kenworthy's Motocross Park | 125MX | July 29, 1990 |
| 6 | Jeromy Buehl | Kenworthy's Motocross Park | 125MX | July 29, 1990 |
| 7 | Todd DeHoop | Kenworthy's Motocross Park | 125MX | July 29, 1990 |
| 8 | Dean Matson | Kenworthy's Motocross Park | 250MX | July 29, 1990 |
| 8 | Steve Lamson | Kenworthy's Motocross Park | 125MX | July 29, 1990 |
| 9 | Keith Bowen | Kenworthy's Motocross Park | 250MX | July 29, 1990 |
| 10 | Rodney Smith | Kenworthy's Motocross Park | 125MX | July 29, 1990 |
| 11 | Grayson Goodman | Kenworthy's Motocross Park | 125MX | July 29, 1990 |
| 12 | Brian McElroy | Kenworthy's Motocross Park | 250MX | July 29, 1990 |
| 12 | Buddy Antunez | Kenworthy's Motocross Park | 125MX | July 29, 1990 |
| 13 | Ray Sommo | Kenworthy's Motocross Park | 250MX | July 29, 1990 |
| 15 | David Gaylord | Kenworthy's Motocross Park | 125MX | July 29, 1990 |
| 16 | Matthew Crown | Kenworthy's Motocross Park | 250MX | July 29, 1990 |
| 17 | Barry Carsten | Kenworthy's Motocross Park | 125MX | July 29, 1990 |
| 18 | Richard Taylor | Kenworthy's Motocross Park | 250MX | July 29, 1990 |
| 18 | Denny Stephenson | Kenworthy's Motocross Park | 125MX | July 29, 1990 |
| 20 | Mike Andrews | Kenworthy's Motocross Park | 250MX | July 29, 1990 |
| 20 | Billy Whitley | Kenworthy's Motocross Park | 125MX | July 29, 1990 |
| 21 | Mike Roth | Kenworthy's Motocross Park | 250MX | July 29, 1990 |
| 21 | David Beckington | Kenworthy's Motocross Park | 125MX | July 29, 1990 |
| 22 | James Kapitan | Kenworthy's Motocross Park | 250MX | July 29, 1990 |
| 22 | Steven Childress II | Kenworthy's Motocross Park | 125MX | July 29, 1990 |
| 23 | Brian Carroll | Kenworthy's Motocross Park | 125MX | July 29, 1990 |
| 1 | Guy Cooper | Moto-X 338 | 125MX | July 22, 1990 |
| 2 | Mike LaRocco | Moto-X 338 | 250MX | July 22, 1990 |
| 5 | Larry Ward | Moto-X 338 | 250MX | July 22, 1990 |
| 5 | Todd DeHoop | Moto-X 338 | 125MX | July 22, 1990 |
| 7 | Buddy Antunez | Moto-X 338 | 125MX | July 22, 1990 |
| 8 | Ray Sommo | Moto-X 338 | 250MX | July 22, 1990 |
| 8 | Carlo Coen | Moto-X 338 | 125MX | July 22, 1990 |
| 9 | Rodney Smith | Moto-X 338 | 125MX | July 22, 1990 |
| 10 | Steve Lamson | Moto-X 338 | 125MX | July 22, 1990 |
| 11 | Barry Carsten | Moto-X 338 | 125MX | July 22, 1990 |
| 12 | Scott Carter | Moto-X 338 | 125MX | July 22, 1990 |
| 14 | Don Grahn | Moto-X 338 | 250MX | July 22, 1990 |
| 15 | Brian McElroy | Moto-X 338 | 250MX | July 22, 1990 |
| 16 | James Kapitan | Moto-X 338 | 250MX | July 22, 1990 |
| 18 | Jeromy Buehl | Moto-X 338 | 125MX | July 22, 1990 |
| 19 | Dan Jannette | Moto-X 338 | 250MX | July 22, 1990 |
| 20 | Chris Neal | Moto-X 338 | 125MX | July 22, 1990 |
| 21 | Richard Taylor | Moto-X 338 | 250MX | July 22, 1990 |
| 21 | Billy Whitley | Moto-X 338 | 125MX | July 22, 1990 |
| 23 | Matthew Crown | Moto-X 338 | 250MX | July 22, 1990 |
| 23 | Jimmy Gaddis | Moto-X 338 | 125MX | July 22, 1990 |
| 25 | David Gaylord | Moto-X 338 | 125MX | July 22, 1990 |
| 26 | Brian Carroll | Moto-X 338 | 125MX | July 22, 1990 |
| 1 | Guy Cooper | RedBud Track 'n Trail | 125MX | July 8, 1990 |
| 4 | Buddy Antunez | RedBud Track 'n Trail | 125MX | July 8, 1990 |
| 5 | Larry Ward | RedBud Track 'n Trail | 250MX | July 8, 1990 |
| 5 | Steve Lamson | RedBud Track 'n Trail | 125MX | July 8, 1990 |
| 7 | Rodney Smith | RedBud Track 'n Trail | 125MX | July 8, 1990 |
| 8 | Keith Bowen | RedBud Track 'n Trail | 250MX | July 8, 1990 |
| 8 | Todd DeHoop | RedBud Track 'n Trail | 125MX | July 8, 1990 |
| 9 | Ron Tichenor | RedBud Track 'n Trail | 250MX | July 8, 1990 |
| 9 | David Beckington | RedBud Track 'n Trail | 125MX | July 8, 1990 |
| 10 | Tom Carson | RedBud Track 'n Trail | 250MX | July 8, 1990 |
| 11 | Mike LaRocco | RedBud Track 'n Trail | 250MX | July 8, 1990 |
| 11 | Barry Carsten | RedBud Track 'n Trail | 125MX | July 8, 1990 |
| 12 | Ray Sommo | RedBud Track 'n Trail | 250MX | July 8, 1990 |
| 13 | Chris Neal | RedBud Track 'n Trail | 125MX | July 8, 1990 |
| 14 | Cliff Palmer | RedBud Track 'n Trail | 250MX | July 8, 1990 |
| 15 | Matthew Crown | RedBud Track 'n Trail | 250MX | July 8, 1990 |
| 16 | Dan Jannette | RedBud Track 'n Trail | 250MX | July 8, 1990 |
| 16 | Jimmy Gaddis | RedBud Track 'n Trail | 125MX | July 8, 1990 |
| 17 | Brian McElroy | RedBud Track 'n Trail | 250MX | July 8, 1990 |
| 17 | David Gaylord | RedBud Track 'n Trail | 125MX | July 8, 1990 |
| 19 | Jim Randa | RedBud Track 'n Trail | 125MX | July 8, 1990 |
| 21 | Jeffery Pestana | RedBud Track 'n Trail | 250MX | July 8, 1990 |
| 22 | James Kapitan | RedBud Track 'n Trail | 250MX | July 8, 1990 |
| 1 | Buddy Antunez | Los Angeles | 125WSX | June 23, 1990 |
| 4 | Steve Lamson | Los Angeles | 125WSX | June 23, 1990 |
| 7 | Chris Young | Los Angeles | 125WSX | June 23, 1990 |
| 8 | Guy Cooper | Los Angeles | 250SX | June 23, 1990 |
| 8 | Lance Smail | Los Angeles | 125WSX | June 23, 1990 |
| 9 | Larry Ward | Los Angeles | 250SX | June 23, 1990 |
| 11 | Ron Tichenor | Los Angeles | 250SX | June 23, 1990 |
| 12 | Mike LaRocco | Los Angeles | 250SX | June 23, 1990 |
| 14 | Fred Andrews | Los Angeles | 250SX | June 23, 1990 |
| 15 | Rodney Smith | Los Angeles | 250SX | June 23, 1990 |
| 15 | Scott McElroy | Los Angeles | 125WSX | June 23, 1990 |
| 16 | Ray Sommo | Los Angeles | 250SX | June 23, 1990 |
| 18 | Chris Young | Los Angeles | 250SX | June 23, 1990 |
| 19 | Dean Matson | Los Angeles | 250SX | June 23, 1990 |
| 19 | Scot Steffy | Los Angeles | 125WSX | June 23, 1990 |
| 22 | Jimmy Gaddis | Los Angeles | 125WSX | June 23, 1990 |
| 1 | Buddy Antunez | San Jose | 125WSX | June 16, 1990 |
| 5 | Mike LaRocco | San Jose | 250SX | June 16, 1990 |
| 5 | Steve Lamson | San Jose | 125WSX | June 16, 1990 |
| 7 | Chris Young | San Jose | 125WSX | June 16, 1990 |
| 8 | Larry Ward | San Jose | 250SX | June 16, 1990 |
| 9 | Guy Cooper | San Jose | 250SX | June 16, 1990 |
| 11 | Fred Andrews | San Jose | 250SX | June 16, 1990 |
| 11 | Lance Smail | San Jose | 125WSX | June 16, 1990 |
| 12 | Keith Bowen | San Jose | 250SX | June 16, 1990 |
| 14 | Ron Tichenor | San Jose | 250SX | June 16, 1990 |
| 14 | Jimmy Gaddis | San Jose | 125WSX | June 16, 1990 |
| 16 | Chris Young | San Jose | 250SX | June 16, 1990 |
| 18 | Kerry Mulligan | San Jose | 250SX | June 16, 1990 |
| 18 | Jeff Pestana | San Jose | 125WSX | June 16, 1990 |
| 19 | Dean Matson | San Jose | 250SX | June 16, 1990 |
| 20 | Scot Steffy | San Jose | 125WSX | June 16, 1990 |
| 3 | Buddy Antunez | Oklahoma City | 125WSX | June 10, 1990 |
| 5 | Mike LaRocco | Oklahoma City | 250SX | June 10, 1990 |
| 5 | Steve Lamson | Oklahoma City | 125WSX | June 10, 1990 |
| 6 | Jimmy Gaddis | Oklahoma City | 125WSX | June 10, 1990 |
| 7 | Guy Cooper | Oklahoma City | 250SX | June 10, 1990 |
| 7 | Grayson Goodman | Oklahoma City | 125ESX | June 10, 1990 |
| 8 | Jeromy Buehl | Oklahoma City | 125ESX | June 10, 1990 |
| 9 | Ron Tichenor | Oklahoma City | 250SX | June 10, 1990 |
| 10 | Barry Carsten | Oklahoma City | 125ESX | June 10, 1990 |
| 11 | Fred Andrews | Oklahoma City | 250SX | June 10, 1990 |
| 11 | Billy Whitley | Oklahoma City | 125ESX | June 10, 1990 |
| 13 | Steven Childress II | Oklahoma City | 125ESX | June 10, 1990 |
| 14 | Cliff Palmer | Oklahoma City | 125ESX | June 10, 1990 |
| 15 | Dean Matson | Oklahoma City | 250SX | June 10, 1990 |
| 16 | Ray Sommo | Oklahoma City | 250SX | June 10, 1990 |
| 17 | Larry Ward | Oklahoma City | 250SX | June 10, 1990 |
| 17 | Chris Neal | Oklahoma City | 125ESX | June 10, 1990 |
| 18 | Chris Young | Oklahoma City | 125WSX | June 10, 1990 |
| 19 | Keith Bowen | Oklahoma City | 250SX | June 10, 1990 |
| 20 | Chris Young | Oklahoma City | 250SX | June 10, 1990 |
| 21 | Denny Stephenson | Oklahoma City | 125ESX | June 10, 1990 |
| 1 | Denny Stephenson | Foxborough | 125ESX | June 2, 1990 |
| 3 | Mike LaRocco | Foxborough | 250SX | June 2, 1990 |
| 3 | Barry Carsten | Foxborough | 125ESX | June 2, 1990 |
| 5 | Larry Ward | Foxborough | 250SX | June 2, 1990 |
| 6 | Billy Whitley | Foxborough | 125ESX | June 2, 1990 |
| 7 | Ron Tichenor | Foxborough | 250SX | June 2, 1990 |
| 10 | Guy Cooper | Foxborough | 250SX | June 2, 1990 |
| 11 | Jeromy Buehl | Foxborough | 125ESX | June 2, 1990 |
| 12 | Rodney Smith | Foxborough | 250SX | June 2, 1990 |
| 12 | Cliff Palmer | Foxborough | 125ESX | June 2, 1990 |
| 13 | Brian Carroll | Foxborough | 125ESX | June 2, 1990 |
| 14 | Steven Childress II | Foxborough | 125ESX | June 2, 1990 |
| 15 | Keith Bowen | Foxborough | 250SX | June 2, 1990 |
| 15 | Grayson Goodman | Foxborough | 125ESX | June 2, 1990 |
| 16 | Fred Andrews | Foxborough | 250SX | June 2, 1990 |
| 17 | David Beckington | Foxborough | 125ESX | June 2, 1990 |
| 18 | Chris Neal | Foxborough | 125ESX | June 2, 1990 |
| 19 | Ray Sommo | Foxborough | 250SX | June 2, 1990 |
| 20 | Cliff Palmer | Foxborough | 250SX | June 2, 1990 |
| 4 | Mike LaRocco | High Point Raceway | 250MX | May 27, 1990 |
| 4 | Guy Cooper | High Point Raceway | 125MX | May 27, 1990 |
| 6 | Larry Ward | High Point Raceway | 250MX | May 27, 1990 |
| 6 | Rodney Smith | High Point Raceway | 125MX | May 27, 1990 |
| 7 | Denny Stephenson | High Point Raceway | 125MX | May 27, 1990 |
| 8 | Ron Tichenor | High Point Raceway | 250MX | May 27, 1990 |
| 10 | Keith Bowen | High Point Raceway | 250MX | May 27, 1990 |
| 10 | Buddy Antunez | High Point Raceway | 125MX | May 27, 1990 |
| 11 | Jimmy Gaddis | High Point Raceway | 125MX | May 27, 1990 |
| 12 | Ray Sommo | High Point Raceway | 250MX | May 27, 1990 |
| 13 | Brian McElroy | High Point Raceway | 250MX | May 27, 1990 |
| 14 | Fred Andrews | High Point Raceway | 250MX | May 27, 1990 |
| 14 | Brian Carroll | High Point Raceway | 125MX | May 27, 1990 |
| 15 | Dan Jannette | High Point Raceway | 250MX | May 27, 1990 |
| 16 | Barry Carsten | High Point Raceway | 125MX | May 27, 1990 |
| 17 | Dean Matson | High Point Raceway | 250MX | May 27, 1990 |
| 17 | Jim Chester | High Point Raceway | 125MX | May 27, 1990 |
| 20 | Cliff Palmer | High Point Raceway | 250MX | May 27, 1990 |
| 20 | David Beckington | High Point Raceway | 125MX | May 27, 1990 |
| 25 | Shane Slother | High Point Raceway | 125MX | May 27, 1990 |
| 1 | Denny Stephenson | East Rutherford | 125ESX | May 19, 1990 |
| 2 | Jeromy Buehl | East Rutherford | 125ESX | May 19, 1990 |
| 4 | Mike LaRocco | East Rutherford | 250SX | May 19, 1990 |
| 6 | Barry Carsten | East Rutherford | 125ESX | May 19, 1990 |
| 7 | Larry Ward | East Rutherford | 250SX | May 19, 1990 |
| 8 | Billy Whitley | East Rutherford | 125ESX | May 19, 1990 |
| 10 | Chris Neal | East Rutherford | 125ESX | May 19, 1990 |
| 11 | Guy Cooper | East Rutherford | 250SX | May 19, 1990 |
| 11 | Cliff Palmer | East Rutherford | 125ESX | May 19, 1990 |
| 12 | Ron Tichenor | East Rutherford | 250SX | May 19, 1990 |
| 12 | Steven Childress II | East Rutherford | 125ESX | May 19, 1990 |
| 13 | Fred Andrews | East Rutherford | 250SX | May 19, 1990 |
| 15 | David Beckington | East Rutherford | 125ESX | May 19, 1990 |
| 18 | Brian Carroll | East Rutherford | 125ESX | May 19, 1990 |
| 19 | Keith Bowen | East Rutherford | 250SX | May 19, 1990 |
| 20 | Shane Slother | East Rutherford | 125ESX | May 19, 1990 |
| 21 | Daniel Portz | East Rutherford | 125ESX | May 19, 1990 |
| 1 | Denny Stephenson | Charlotte | 125ESX | May 12, 1990 |
| 2 | Mike LaRocco | Charlotte | 250SX | May 12, 1990 |
| 4 | Billy Whitley | Charlotte | 125ESX | May 12, 1990 |
| 5 | Larry Ward | Charlotte | 250SX | May 12, 1990 |
| 6 | Ron Tichenor | Charlotte | 250SX | May 12, 1990 |
| 7 | Barry Carsten | Charlotte | 125ESX | May 12, 1990 |
| 8 | Guy Cooper | Charlotte | 250SX | May 12, 1990 |
| 8 | Brian Carroll | Charlotte | 125ESX | May 12, 1990 |
| 9 | Cliff Palmer | Charlotte | 125ESX | May 12, 1990 |
| 10 | Jeromy Buehl | Charlotte | 125ESX | May 12, 1990 |
| 11 | Jim Chester | Charlotte | 125ESX | May 12, 1990 |
| 12 | Fred Andrews | Charlotte | 250SX | May 12, 1990 |
| 12 | Steven Childress II | Charlotte | 125ESX | May 12, 1990 |
| 13 | Keith Bowen | Charlotte | 250SX | May 12, 1990 |
| 14 | Kenny Kizzar | Charlotte | 125ESX | May 12, 1990 |
| 15 | Rodney Smith | Charlotte | 250SX | May 12, 1990 |
| 18 | Ray Sommo | Charlotte | 250SX | May 12, 1990 |
| 2 | Guy Cooper | Lake Sugar Tree MX Park | 125MX | May 6, 1990 |
| 4 | Ron Tichenor | Lake Sugar Tree MX Park | 250MX | May 6, 1990 |
| 5 | Mike LaRocco | Lake Sugar Tree MX Park | 250MX | May 6, 1990 |
| 6 | Buddy Antunez | Lake Sugar Tree MX Park | 125MX | May 6, 1990 |
| 7 | Rodney Smith | Lake Sugar Tree MX Park | 125MX | May 6, 1990 |
| 8 | Larry Ward | Lake Sugar Tree MX Park | 250MX | May 6, 1990 |
| 8 | Denny Stephenson | Lake Sugar Tree MX Park | 125MX | May 6, 1990 |
| 10 | Fred Andrews | Lake Sugar Tree MX Park | 250MX | May 6, 1990 |
| 11 | Brian McElroy | Lake Sugar Tree MX Park | 250MX | May 6, 1990 |
| 11 | Jeromy Buehl | Lake Sugar Tree MX Park | 125MX | May 6, 1990 |
| 12 | Billy Whitley | Lake Sugar Tree MX Park | 125MX | May 6, 1990 |
| 13 | Keith Bowen | Lake Sugar Tree MX Park | 250MX | May 6, 1990 |
| 14 | Brian Carroll | Lake Sugar Tree MX Park | 125MX | May 6, 1990 |
| 15 | Ray Sommo | Lake Sugar Tree MX Park | 250MX | May 6, 1990 |
| 15 | Barry Carsten | Lake Sugar Tree MX Park | 125MX | May 6, 1990 |
| 17 | Justin Jackson | Lake Sugar Tree MX Park | 125MX | May 6, 1990 |
| 19 | Dan Jannette | Lake Sugar Tree MX Park | 250MX | May 6, 1990 |
| 21 | Jeffery Pestana | Lake Sugar Tree MX Park | 250MX | May 6, 1990 |
| 22 | Cliff Palmer | Lake Sugar Tree MX Park | 250MX | May 6, 1990 |
| 2 | Jeromy Buehl | Tampa | 125ESX | April 28, 1990 |
| 3 | Denny Stephenson | Tampa | 125ESX | April 28, 1990 |
| 4 | Billy Whitley | Tampa | 125ESX | April 28, 1990 |
| 5 | Larry Ward | Tampa | 250SX | April 28, 1990 |
| 5 | Steven Childress II | Tampa | 125ESX | April 28, 1990 |
| 6 | Mike LaRocco | Tampa | 250SX | April 28, 1990 |
| 7 | Barry Carsten | Tampa | 125ESX | April 28, 1990 |
| 8 | Ron Tichenor | Tampa | 250SX | April 28, 1990 |
| 10 | Cliff Palmer | Tampa | 125ESX | April 28, 1990 |
| 12 | Guy Cooper | Tampa | 250SX | April 28, 1990 |
| 14 | Fred Andrews | Tampa | 250SX | April 28, 1990 |
| 15 | Keith Bowen | Tampa | 250SX | April 28, 1990 |
| 15 | Brian Carroll | Tampa | 125ESX | April 28, 1990 |
| 16 | Justin Jackson | Tampa | 125ESX | April 28, 1990 |
| 19 | Ray Sommo | Tampa | 250SX | April 28, 1990 |
| 20 | Rodney Smith | Tampa | 250SX | April 28, 1990 |
| 21 | John Kitsch II | Tampa | 125ESX | April 28, 1990 |
| 1 | Denny Stephenson | Pontiac 2 | 125ESX | April 22, 1990 |
| 2 | Mike LaRocco | Pontiac 2 | 250SX | April 22, 1990 |
| 5 | Barry Carsten | Pontiac 2 | 125ESX | April 22, 1990 |
| 6 | Steven Childress II | Pontiac 2 | 125ESX | April 22, 1990 |
| 7 | Larry Ward | Pontiac 2 | 250SX | April 22, 1990 |
| 7 | Jeromy Buehl | Pontiac 2 | 125ESX | April 22, 1990 |
| 10 | Ron Tichenor | Pontiac 2 | 250SX | April 22, 1990 |
| 10 | Jim Chester | Pontiac 2 | 125ESX | April 22, 1990 |
| 11 | Billy Whitley | Pontiac 2 | 125ESX | April 22, 1990 |
| 12 | Brian Carroll | Pontiac 2 | 125ESX | April 22, 1990 |
| 13 | Steve Lamson | Pontiac 2 | 250SX | April 22, 1990 |
| 13 | Cliff Palmer | Pontiac 2 | 125ESX | April 22, 1990 |
| 14 | Guy Cooper | Pontiac 2 | 250SX | April 22, 1990 |
| 14 | Dan Jannette | Pontiac 2 | 125ESX | April 22, 1990 |
| 15 | Keith Bowen | Pontiac 2 | 250SX | April 22, 1990 |
| 17 | Jim Randa | Pontiac 2 | 125ESX | April 22, 1990 |
| 19 | Todd DeHoop | Pontiac 2 | 250SX | April 22, 1990 |
| 19 | Jeff Curry | Pontiac 2 | 125ESX | April 22, 1990 |
| 20 | Fred Andrews | Pontiac 2 | 250SX | April 22, 1990 |
| 1 | Denny Stephenson | Pontiac 1 | 125ESX | April 21, 1990 |
| 3 | Mike LaRocco | Pontiac 1 | 250SX | April 21, 1990 |
| 3 | Steven Childress II | Pontiac 1 | 125ESX | April 21, 1990 |
| 4 | Jeromy Buehl | Pontiac 1 | 125ESX | April 21, 1990 |
| 6 | Ron Tichenor | Pontiac 1 | 250SX | April 21, 1990 |
| 7 | Larry Ward | Pontiac 1 | 250SX | April 21, 1990 |
| 7 | Barry Carsten | Pontiac 1 | 125ESX | April 21, 1990 |
| 8 | Billy Whitley | Pontiac 1 | 125ESX | April 21, 1990 |
| 9 | Cliff Palmer | Pontiac 1 | 125ESX | April 21, 1990 |
| 12 | Guy Cooper | Pontiac 1 | 250SX | April 21, 1990 |
| 13 | Steve Lamson | Pontiac 1 | 250SX | April 21, 1990 |
| 16 | Keith Bowen | Pontiac 1 | 250SX | April 21, 1990 |
| 17 | Fred Andrews | Pontiac 1 | 250SX | April 21, 1990 |
| 17 | David Gaylord | Pontiac 1 | 125ESX | April 21, 1990 |
| 18 | Todd DeHoop | Pontiac 1 | 250SX | April 21, 1990 |
| 18 | Brian Carroll | Pontiac 1 | 125ESX | April 21, 1990 |
| 20 | Jim Chester | Pontiac 1 | 125ESX | April 21, 1990 |
| 22 | John Kitsch II | Pontiac 1 | 125ESX | April 21, 1990 |
| 1 | Denny Stephenson | Irving | 125E/WSX | April 7, 1990 |
| 3 | Larry Ward | Irving | 250SX | April 7, 1990 |
| 5 | Guy Cooper | Irving | 250SX | April 7, 1990 |
| 6 | Mike LaRocco | Irving | 250SX | April 7, 1990 |
| 7 | Buddy Antunez | Irving | 125E/WSX | April 7, 1990 |
| 9 | Ron Tichenor | Irving | 250SX | April 7, 1990 |
| 9 | Jeromy Buehl | Irving | 125E/WSX | April 7, 1990 |
| 10 | Lance Smail | Irving | 125E/WSX | April 7, 1990 |
| 11 | Fred Andrews | Irving | 250SX | April 7, 1990 |
| 12 | Dean Matson | Irving | 250SX | April 7, 1990 |
| 12 | Cliff Palmer | Irving | 125E/WSX | April 7, 1990 |
| 13 | Keith Bowen | Irving | 250SX | April 7, 1990 |
| 14 | Tony Graves | Irving | 125E/WSX | April 7, 1990 |
| 15 | Ray Sommo | Irving | 250SX | April 7, 1990 |
| 18 | Chris Young | Irving | 250SX | April 7, 1990 |
| 20 | Todd DeHoop | Irving | 250SX | April 7, 1990 |
| 1 | Guy Cooper | Hangtown Motocross Classic | 125MX | April 1, 1990 |
| 4 | Mike LaRocco | Hangtown Motocross Classic | 250MX | April 1, 1990 |
| 4 | Steve Lamson | Hangtown Motocross Classic | 125MX | April 1, 1990 |
| 5 | Buddy Antunez | Hangtown Motocross Classic | 125MX | April 1, 1990 |
| 6 | Dean Matson | Hangtown Motocross Classic | 250MX | April 1, 1990 |
| 6 | Denny Stephenson | Hangtown Motocross Classic | 125MX | April 1, 1990 |
| 7 | Fred Andrews | Hangtown Motocross Classic | 250MX | April 1, 1990 |
| 9 | Jeffery Pestana | Hangtown Motocross Classic | 250MX | April 1, 1990 |
| 11 | Ron Tichenor | Hangtown Motocross Classic | 250MX | April 1, 1990 |
| 13 | Larry Ward | Hangtown Motocross Classic | 250MX | April 1, 1990 |
| 14 | Ray Sommo | Hangtown Motocross Classic | 250MX | April 1, 1990 |
| 14 | Rodney Smith | Hangtown Motocross Classic | 125MX | April 1, 1990 |
| 15 | Shawn Wynne | Hangtown Motocross Classic | 250MX | April 1, 1990 |
| 16 | Ron Allen | Hangtown Motocross Classic | 250MX | April 1, 1990 |
| 16 | Jeromy Buehl | Hangtown Motocross Classic | 125MX | April 1, 1990 |
| 17 | Jimmy Gaddis | Hangtown Motocross Classic | 125MX | April 1, 1990 |
| 20 | James Chamberlain | Hangtown Motocross Classic | 250MX | April 1, 1990 |
| 20 | Richard Taylor | Hangtown Motocross Classic | 125MX | April 1, 1990 |
| 22 | Keith Bowen | Hangtown Motocross Classic | 250MX | April 1, 1990 |
| 22 | Cliff Palmer | Hangtown Motocross Classic | 125MX | April 1, 1990 |
| 23 | Tony Graves | Hangtown Motocross Classic | 125MX | April 1, 1990 |
| 24 | Lance Smail | Hangtown Motocross Classic | 125MX | April 1, 1990 |
| 26 | Scott McElroy | Hangtown Motocross Classic | 125MX | April 1, 1990 |
| 28 | Shawn Freiling | Hangtown Motocross Classic | 250MX | April 1, 1990 |
| 30 | Eddie Reed | Hangtown Motocross Classic | 125MX | April 1, 1990 |
| 31 | John Rickel | Hangtown Motocross Classic | 250MX | April 1, 1990 |
| 34 | Jeff Reynolds | Hangtown Motocross Classic | 250MX | April 1, 1990 |
| 34 | Pat Bennett | Hangtown Motocross Classic | 125MX | April 1, 1990 |
| 35 | Don Bisceglia | Hangtown Motocross Classic | 125MX | April 1, 1990 |
| 36 | Brian Wilson | Hangtown Motocross Classic | 250MX | April 1, 1990 |
| 1 | Buddy Antunez | Pasadena | 125WSX | March 24, 1990 |
| 2 | Jimmy Gaddis | Pasadena | 125WSX | March 24, 1990 |
| 5 | Larry Ward | Pasadena | 250SX | March 24, 1990 |
| 7 | Ron Tichenor | Pasadena | 250SX | March 24, 1990 |
| 8 | Mike LaRocco | Pasadena | 250SX | March 24, 1990 |
| 8 | Steve Lamson | Pasadena | 125WSX | March 24, 1990 |
| 11 | Guy Cooper | Pasadena | 250SX | March 24, 1990 |
| 11 | Scot Steffy | Pasadena | 125WSX | March 24, 1990 |
| 12 | Denny Stephenson | Pasadena | 250SX | March 24, 1990 |
| 12 | Chris Young | Pasadena | 125WSX | March 24, 1990 |
| 15 | Dean Matson | Pasadena | 250SX | March 24, 1990 |
| 15 | Jeff Grafton | Pasadena | 125WSX | March 24, 1990 |
| 16 | Keith Bowen | Pasadena | 250SX | March 24, 1990 |
| 16 | Jeff Pestana | Pasadena | 125WSX | March 24, 1990 |
| 17 | Pat Bennett | Pasadena | 125WSX | March 24, 1990 |
| 18 | Ray Sommo | Pasadena | 250SX | March 24, 1990 |
| 19 | Chris Young | Pasadena | 250SX | March 24, 1990 |
| 19 | Jason Young | Pasadena | 125WSX | March 24, 1990 |
| 20 | Fred Andrews | Pasadena | 250SX | March 24, 1990 |
| 22 | Brian Pryor | Pasadena | 125WSX | March 24, 1990 |
| 5 | Larry Ward | Las Vegas | 250SX | March 17, 1990 |
| 6 | Buddy Antunez | Las Vegas | 125WSX | March 17, 1990 |
| 9 | Ron Tichenor | Las Vegas | 250SX | March 17, 1990 |
| 10 | Guy Cooper | Las Vegas | 250SX | March 17, 1990 |
| 10 | Steve Lamson | Las Vegas | 125WSX | March 17, 1990 |
| 11 | Denny Stephenson | Las Vegas | 250SX | March 17, 1990 |
| 11 | Scot Steffy | Las Vegas | 125WSX | March 17, 1990 |
| 12 | Lance Smail | Las Vegas | 125WSX | March 17, 1990 |
| 14 | Dean Matson | Las Vegas | 250SX | March 17, 1990 |
| 15 | Fred Andrews | Las Vegas | 250SX | March 17, 1990 |
| 15 | Brian Pryor | Las Vegas | 125WSX | March 17, 1990 |
| 17 | Jeff Grafton | Las Vegas | 125WSX | March 17, 1990 |
| 18 | Chris Young | Las Vegas | 250SX | March 17, 1990 |
| 19 | Chris Young | Las Vegas | 125WSX | March 17, 1990 |
| 20 | Mike LaRocco | Las Vegas | 250SX | March 17, 1990 |
| 22 | Mike Dunlap | Las Vegas | 125WSX | March 17, 1990 |
| 1 | Denny Stephenson | Daytona | 125ESX | March 10, 1990 |
| 2 | Jeromy Buehl | Daytona | 125ESX | March 10, 1990 |
| 4 | Barry Carsten | Daytona | 125ESX | March 10, 1990 |
| 5 | Cliff Palmer | Daytona | 125ESX | March 10, 1990 |
| 6 | Ron Tichenor | Daytona | 250SX | March 10, 1990 |
| 7 | Jeff Beckington | Daytona | 125ESX | March 10, 1990 |
| 8 | Larry Ward | Daytona | 250SX | March 10, 1990 |
| 9 | Brian Carroll | Daytona | 125ESX | March 10, 1990 |
| 10 | Guy Cooper | Daytona | 250SX | March 10, 1990 |
| 10 | Billy Whitley | Daytona | 125ESX | March 10, 1990 |
| 12 | Dean Matson | Daytona | 250SX | March 10, 1990 |
| 12 | David Beckington | Daytona | 125ESX | March 10, 1990 |
| 14 | Steve Lamson | Daytona | 250SX | March 10, 1990 |
| 15 | Keith Bowen | Daytona | 250SX | March 10, 1990 |
| 16 | Fred Andrews | Daytona | 250SX | March 10, 1990 |
| 20 | Mike Morris | Daytona | 125ESX | March 10, 1990 |
| 21 | Steven Childress II | Daytona | 125ESX | March 10, 1990 |
| 22 | Chris Young | Daytona | 250SX | March 10, 1990 |
| 23 | Mike LaRocco | Daytona | 250SX | March 10, 1990 |
| 24 | Billy Whitley | Daytona | 250SX | March 10, 1990 |
| 25 | Cliff Palmer | Daytona | 250SX | March 10, 1990 |
| 3 | Ron Tichenor | Gatorback Cycle Park | 250MX | March 4, 1990 |
| 4 | Mike LaRocco | Gatorback Cycle Park | 250MX | March 4, 1990 |
| 4 | Guy Cooper | Gatorback Cycle Park | 125MX | March 4, 1990 |
| 7 | Steve Lamson | Gatorback Cycle Park | 125MX | March 4, 1990 |
| 8 | Fred Andrews | Gatorback Cycle Park | 250MX | March 4, 1990 |
| 9 | Larry Ward | Gatorback Cycle Park | 250MX | March 4, 1990 |
| 9 | Denny Stephenson | Gatorback Cycle Park | 125MX | March 4, 1990 |
| 10 | Brian McElroy | Gatorback Cycle Park | 250MX | March 4, 1990 |
| 10 | Barry Carsten | Gatorback Cycle Park | 125MX | March 4, 1990 |
| 11 | Jeromy Buehl | Gatorback Cycle Park | 125MX | March 4, 1990 |
| 12 | Billy Whitley | Gatorback Cycle Park | 125MX | March 4, 1990 |
| 13 | Jim Chester | Gatorback Cycle Park | 125MX | March 4, 1990 |
| 17 | Dan Jannette | Gatorback Cycle Park | 250MX | March 4, 1990 |
| 17 | David Beckington | Gatorback Cycle Park | 125MX | March 4, 1990 |
| 18 | Justin Jackson | Gatorback Cycle Park | 125MX | March 4, 1990 |
| 19 | Jeff Beckington | Gatorback Cycle Park | 125MX | March 4, 1990 |
| 20 | Dean Matson | Gatorback Cycle Park | 250MX | March 4, 1990 |
| 20 | Chris Neal | Gatorback Cycle Park | 125MX | March 4, 1990 |
| 22 | Cliff Palmer | Gatorback Cycle Park | 125MX | March 4, 1990 |
| 23 | Mike Roth | Gatorback Cycle Park | 250MX | March 4, 1990 |
| 24 | Steven Childress II | Gatorback Cycle Park | 125MX | March 4, 1990 |
| 1 | Denny Stephenson | Atlanta | 125ESX | February 24, 1990 |
| 2 | Guy Cooper | Atlanta | 250SX | February 24, 1990 |
| 2 | Jeromy Buehl | Atlanta | 125ESX | February 24, 1990 |
| 4 | Cliff Palmer | Atlanta | 125ESX | February 24, 1990 |
| 5 | Larry Ward | Atlanta | 250SX | February 24, 1990 |
| 8 | Steven Childress II | Atlanta | 125ESX | February 24, 1990 |
| 10 | Jim Chester | Atlanta | 125ESX | February 24, 1990 |
| 11 | Ron Tichenor | Atlanta | 250SX | February 24, 1990 |
| 11 | Barry Carsten | Atlanta | 125ESX | February 24, 1990 |
| 12 | Brian Carroll | Atlanta | 125ESX | February 24, 1990 |
| 13 | Keith Bowen | Atlanta | 250SX | February 24, 1990 |
| 14 | Fred Andrews | Atlanta | 250SX | February 24, 1990 |
| 15 | Mike LaRocco | Atlanta | 250SX | February 24, 1990 |
| 15 | Mike Morris | Atlanta | 125ESX | February 24, 1990 |
| 17 | Brian McElroy | Atlanta | 250SX | February 24, 1990 |
| 18 | Billy Whitley | Atlanta | 125ESX | February 24, 1990 |
| 19 | Mike Roth | Atlanta | 125ESX | February 24, 1990 |
| 20 | Cliff Palmer | Atlanta | 250SX | February 24, 1990 |
| 20 | Kenny Kizzar | Atlanta | 125ESX | February 24, 1990 |
| 1 | Larry Ward | Seattle | 250SX | February 17, 1990 |
| 3 | Ron Tichenor | Seattle | 250SX | February 17, 1990 |
| 5 | Guy Cooper | Seattle | 250SX | February 17, 1990 |
| 8 | Steve Lamson | Seattle | 125WSX | February 17, 1990 |
| 9 | Mike LaRocco | Seattle | 250SX | February 17, 1990 |
| 9 | Scot Steffy | Seattle | 125WSX | February 17, 1990 |
| 10 | Brian Pryor | Seattle | 125WSX | February 17, 1990 |
| 13 | Dean Matson | Seattle | 250SX | February 17, 1990 |
| 13 | Jason Young | Seattle | 125WSX | February 17, 1990 |
| 15 | Fred Andrews | Seattle | 250SX | February 17, 1990 |
| 17 | Jeff Grafton | Seattle | 125WSX | February 17, 1990 |
| 18 | Chris Young | Seattle | 250SX | February 17, 1990 |
| 20 | Mike Dunlap | Seattle | 125WSX | February 17, 1990 |
| 21 | Buddy Antunez | Seattle | 125WSX | February 17, 1990 |
| 22 | Chris Young | Seattle | 125WSX | February 17, 1990 |
| 3 | Steve Lamson | San Diego | 125WSX | February 10, 1990 |
| 4 | Larry Ward | San Diego | 250SX | February 10, 1990 |
| 5 | Mike LaRocco | San Diego | 250SX | February 10, 1990 |
| 7 | Guy Cooper | San Diego | 250SX | February 10, 1990 |
| 7 | Brian Pryor | San Diego | 125WSX | February 10, 1990 |
| 10 | Ron Tichenor | San Diego | 250SX | February 10, 1990 |
| 11 | Dean Matson | San Diego | 250SX | February 10, 1990 |
| 11 | Buddy Antunez | San Diego | 125WSX | February 10, 1990 |
| 13 | Jeff Grafton | San Diego | 125WSX | February 10, 1990 |
| 14 | Ray Sommo | San Diego | 250SX | February 10, 1990 |
| 15 | Scot Steffy | San Diego | 125WSX | February 10, 1990 |
| 18 | Ross Pederson | San Diego | 250SX | February 10, 1990 |
| 18 | Richard Taylor | San Diego | 125WSX | February 10, 1990 |
| 20 | Keith Bowen | San Diego | 250SX | February 10, 1990 |
| 20 | Jason Young | San Diego | 125WSX | February 10, 1990 |
| 21 | Chris Neal | San Diego | 125WSX | February 10, 1990 |
| 2 | Larry Ward | Houston | 250SX | February 3, 1990 |
| 3 | Buddy Antunez | Houston | 125E/WSX | February 3, 1990 |
| 4 | Mike LaRocco | Houston | 250SX | February 3, 1990 |
| 4 | Steve Lamson | Houston | 125E/WSX | February 3, 1990 |
| 5 | Barry Carsten | Houston | 125E/WSX | February 3, 1990 |
| 6 | Ron Tichenor | Houston | 250SX | February 3, 1990 |
| 11 | Guy Cooper | Houston | 250SX | February 3, 1990 |
| 11 | Brian Pryor | Houston | 125E/WSX | February 3, 1990 |
| 12 | Jeromy Buehl | Houston | 125E/WSX | February 3, 1990 |
| 13 | Dean Matson | Houston | 250SX | February 3, 1990 |
| 14 | Fred Andrews | Houston | 250SX | February 3, 1990 |
| 17 | Keith Bowen | Houston | 250SX | February 3, 1990 |
| 18 | Denny Stephenson | Houston | 125E/WSX | February 3, 1990 |
| 19 | Tony Graves | Houston | 125E/WSX | February 3, 1990 |
| 20 | Kenny Kizzar | Houston | 125E/WSX | February 3, 1990 |
| 2 | Buddy Antunez | Anaheim | 125WSX | January 27, 1990 |
| 6 | Brian Pryor | Anaheim | 125WSX | January 27, 1990 |
| 8 | Mike LaRocco | Anaheim | 250SX | January 27, 1990 |
| 9 | Ron Tichenor | Anaheim | 250SX | January 27, 1990 |
| 9 | Chris Young | Anaheim | 125WSX | January 27, 1990 |
| 11 | Tony Graves | Anaheim | 125WSX | January 27, 1990 |
| 12 | Larry Ward | Anaheim | 250SX | January 27, 1990 |
| 16 | Guy Cooper | Anaheim | 250SX | January 27, 1990 |
| 18 | Ray Sommo | Anaheim | 250SX | January 27, 1990 |
| 18 | Scott McElroy | Anaheim | 125WSX | January 27, 1990 |
| 19 | Jimmy Gaddis | Anaheim | 125WSX | January 27, 1990 |
| 20 | Mike Pascarella | Anaheim | 250SX | January 27, 1990 |
| 21 | Steve Lamson | Anaheim | 125WSX | January 27, 1990 |
| 22 | Mike Dunlap | Anaheim | 125WSX | January 27, 1990 |