| 6 | David Pingree | Los Angeles | 125WSX sx250SX West | January 10, 1998 |
| 2 | Stephane Roncada | Los Angeles | 125WSX sx250SX West | January 10, 1998 |
| 16 | Ezra Lusk | Los Angeles | 250SX sx450SX | January 10, 1998 |
| 11 | Frederic Bolley | Los Angeles | 250SX sx450SX | January 10, 1998 |
| 8 | Michael R Craig | Los Angeles | 250SX sx450SX | January 10, 1998 |
| 5 | Jason R McCormick | Los Angeles | 125WSX sx250SX West | January 10, 1998 |
| 13 | Mike Brown | Los Angeles | 250SX sx450SX | January 10, 1998 |
| 9 | Mike LaRocco | Los Angeles | 250SX sx450SX | January 10, 1998 |
| 20 | Mike Brown | Houston | 250SX sx450SX | January 17, 1998 |
| 4 | Mike LaRocco | Houston | 250SX sx450SX | January 17, 1998 |
| 16 | Ryan Duff | Houston | 125WSX sx250SX West | January 17, 1998 |
| 5 | Stephane Roncada | Houston | 125WSX sx250SX West | January 17, 1998 |
| 11 | Michael R Craig | Houston | 250SX sx450SX | January 17, 1998 |
| 17 | Jason R McCormick | Houston | 125WSX sx250SX West | January 17, 1998 |
| 1 | Ezra Lusk | Houston | 250SX sx450SX | January 17, 1998 |
| 9 | Danny Smith | Houston | 125WSX sx250SX West | January 17, 1998 |
| 2 | David Pingree | Houston | 125WSX sx250SX West | January 17, 1998 |
| 12 | Mike Brown | Tempe | 250SX sx450SX | January 24, 1998 |
| 5 | David Pingree | Tempe | 125WSX sx250SX West | January 24, 1998 |
| 3 | Michael R Craig | Tempe | 250SX sx450SX | January 24, 1998 |
| 19 | Heath Voss | Tempe | 250SX sx450SX | January 24, 1998 |
| 6 | Danny Smith | Tempe | 125WSX sx250SX West | January 24, 1998 |
| 7 | Mike LaRocco | Tempe | 250SX sx450SX | January 24, 1998 |
| 3 | Stephane Roncada | Tempe | 125WSX sx250SX West | January 24, 1998 |
| 1 | Ezra Lusk | Tempe | 250SX sx450SX | January 24, 1998 |
| 11 | Jason R McCormick | Tempe | 125WSX sx250SX West | January 24, 1998 |
| 15 | Michael R Craig | Seattle | 250SX sx450SX | January 31, 1998 |
| 5 | David Pingree | Seattle | 125WSX sx250SX West | January 31, 1998 |
| 8 | Mike Brown | Seattle | 250SX sx450SX | January 31, 1998 |
| 2 | Stephane Roncada | Seattle | 125WSX sx250SX West | January 31, 1998 |
| 18 | Heath Voss | Seattle | 250SX sx450SX | January 31, 1998 |
| 18 | Danny Smith | Seattle | 125WSX sx250SX West | January 31, 1998 |
| 12 | Mike LaRocco | Seattle | 250SX sx450SX | January 31, 1998 |
| 4 | Jason R McCormick | Seattle | 125WSX sx250SX West | January 31, 1998 |
| 2 | Ezra Lusk | Seattle | 250SX sx450SX | January 31, 1998 |
| 16 | Steve Lamson | San Diego | 250SX sx450SX | February 7, 1998 |
| 22 | Adrian Robert | San Diego | 125WSX sx250SX West | February 7, 1998 |
| 11 | Ezra Lusk | San Diego | 250SX sx450SX | February 7, 1998 |
| 19 | Ryan Duff | San Diego | 125WSX sx250SX West | February 7, 1998 |
| 4 | Mike LaRocco | San Diego | 250SX sx450SX | February 7, 1998 |
| 4 | Stephane Roncada | San Diego | 125WSX sx250SX West | February 7, 1998 |
| 15 | Michael R Craig | San Diego | 250SX sx450SX | February 7, 1998 |
| 20 | Jason R McCormick | San Diego | 125WSX sx250SX West | February 7, 1998 |
| 10 | Mike Brown | San Diego | 250SX sx450SX | February 7, 1998 |
| 6 | David Pingree | San Diego | 125WSX sx250SX West | February 7, 1998 |
| 18 | Mark Burkhart | Indianapolis | 125ESX sx250SX East | February 14, 1998 |
| 19 | Ezra Lusk | Indianapolis | 250SX sx450SX | February 14, 1998 |
| 13 | Tommy Clowers | Indianapolis | 125ESX sx250SX East | February 14, 1998 |
| 6 | Mike LaRocco | Indianapolis | 250SX sx450SX | February 14, 1998 |
| 4 | Brock Sellards | Indianapolis | 125ESX sx250SX East | February 14, 1998 |
| 22 | Ryan Duff | Indianapolis | 125ESX sx250SX East | February 14, 1998 |
| 20 | Michael R Craig | Indianapolis | 250SX sx450SX | February 14, 1998 |
| 14 | Charles Dunaway | Indianapolis | 125ESX sx250SX East | February 14, 1998 |
| 10 | Mike Brown | Indianapolis | 250SX sx450SX | February 14, 1998 |
| 5 | Danny Smith | Indianapolis | 125ESX sx250SX East | February 14, 1998 |
| 5 | Steve Lamson | Indianapolis | 250SX sx450SX | February 14, 1998 |
| 3 | Casey Lytle | Indianapolis | 125ESX sx250SX East | February 14, 1998 |
| 19 | Tommy Clowers | Atlanta | 125ESX sx250SX East | February 21, 1998 |
| 14 | Mark Burkhart | Atlanta | 125ESX sx250SX East | February 21, 1998 |
| 20 | Steve Lamson | Atlanta | 250SX sx450SX | February 21, 1998 |
| 5 | Casey Lytle | Atlanta | 125ESX sx250SX East | February 21, 1998 |
| 6 | Ezra Lusk | Atlanta | 250SX sx450SX | February 21, 1998 |
| 16 | Brock Sellards | Atlanta | 125ESX sx250SX East | February 21, 1998 |
| 11 | Ryan Duff | Atlanta | 125ESX sx250SX East | February 21, 1998 |
| 15 | Mike Brown | Atlanta | 250SX sx450SX | February 21, 1998 |
| 2 | Danny Smith | Atlanta | 125ESX sx250SX East | February 21, 1998 |
| 5 | Mike LaRocco | Atlanta | 250SX sx450SX | February 21, 1998 |
| 19 | Charles Dunaway | Tampa | 125ESX sx250SX East | February 28, 1998 |
| 6 | Casey Lytle | Tampa | 125ESX sx250SX East | February 28, 1998 |
| 13 | Steve Lamson | Tampa | 250SX sx450SX | February 28, 1998 |
| 6 | Mike LaRocco | Tampa | 250SX sx450SX | February 28, 1998 |
| 21 | Tommy Clowers | Tampa | 125ESX sx250SX East | February 28, 1998 |
| 10 | Danny Smith | Tampa | 125ESX sx250SX East | February 28, 1998 |
| 16 | Michael R Craig | Tampa | 250SX sx450SX | February 28, 1998 |
| 4 | Brock Sellards | Tampa | 125ESX sx250SX East | February 28, 1998 |
| 10 | Mike Brown | Tampa | 250SX sx450SX | February 28, 1998 |
| 2 | Ezra Lusk | Tampa | 250SX sx450SX | February 28, 1998 |
| 20 | Danny Smith | Daytona | 125ESX sx250SX East | March 7, 1998 |
| 17 | Mike Brown | Daytona | 250SX sx450SX | March 7, 1998 |
| 3 | Brock Sellards | Daytona | 125ESX sx250SX East | March 7, 1998 |
| 12 | Mike LaRocco | Daytona | 250SX sx450SX | March 7, 1998 |
| 3 | Ezra Lusk | Daytona | 250SX sx450SX | March 7, 1998 |
| 25 | Heath Voss | Daytona | 250SX sx450SX | March 7, 1998 |
| 7 | Casey Lytle | Daytona | 125ESX sx250SX East | March 7, 1998 |
| 13 | Steve Lamson | Daytona | 250SX sx450SX | March 7, 1998 |
| 11 | Michael R Craig | Daytona | 250SX sx450SX | March 7, 1998 |
| 4 | Mike LaRocco | New Orleans | 250SX sx450SX | March 14, 1998 |
| 18 | Stephane Roncada | New Orleans | 250SX sx450SX | March 14, 1998 |
| 17 | Charles Dunaway | New Orleans | 125ESX sx250SX East | March 14, 1998 |
| 12 | Steve Lamson | New Orleans | 250SX sx450SX | March 14, 1998 |
| 13 | Tommy Clowers | New Orleans | 125ESX sx250SX East | March 14, 1998 |
| 9 | Michael R Craig | New Orleans | 250SX sx450SX | March 14, 1998 |
| 9 | Brock Sellards | New Orleans | 125ESX sx250SX East | March 14, 1998 |
| 13 | Mike Brown | New Orleans | 250SX sx450SX | March 14, 1998 |
| 14 | Casey Lytle | New Orleans | 125ESX sx250SX East | March 14, 1998 |
| 10 | Ezra Lusk | New Orleans | 250SX sx450SX | March 14, 1998 |
| 12 | Ryan Duff | New Orleans | 125ESX sx250SX East | March 14, 1998 |
| 17 | Heath Voss | Minneapolis | 250SX sx450SX | March 21, 1998 |
| 21 | Charles Dunaway | Minneapolis | 125WSX sx250SX West | March 21, 1998 |
| 12 | Steve Lamson | Minneapolis | 250SX sx450SX | March 21, 1998 |
| 12 | David Pingree | Minneapolis | 125WSX sx250SX West | March 21, 1998 |
| 6 | Michael R Craig | Minneapolis | 250SX sx450SX | March 21, 1998 |
| 5 | Jason R McCormick | Minneapolis | 125WSX sx250SX West | March 21, 1998 |
| 13 | Mike Brown | Minneapolis | 250SX sx450SX | March 21, 1998 |
| 20 | Joseph Oehlhof | Minneapolis | 125WSX sx250SX West | March 21, 1998 |
| 10 | Mike LaRocco | Minneapolis | 250SX sx450SX | March 21, 1998 |
| 11 | Ryan Duff | Minneapolis | 125WSX sx250SX West | March 21, 1998 |
| 3 | Ezra Lusk | Minneapolis | 250SX sx450SX | March 21, 1998 |
| 1 | Stephane Roncada | Minneapolis | 125WSX sx250SX West | March 21, 1998 |
| 12 | Stephane Roncada | St. Louis | 250SX sx450SX | March 28, 1998 |
| 19 | Tommy Clowers | St. Louis | 125ESX sx250SX East | March 28, 1998 |
| 3 | Mike LaRocco | St. Louis | 250SX sx450SX | March 28, 1998 |
| 10 | Danny Smith | St. Louis | 125ESX sx250SX East | March 28, 1998 |
| 15 | Mike Brown | St. Louis | 250SX sx450SX | March 28, 1998 |
| 20 | Doug Dehaan | St. Louis | 125ESX sx250SX East | March 28, 1998 |
| 6 | Michael R Craig | St. Louis | 250SX sx450SX | March 28, 1998 |
| 14 | Casey Lytle | St. Louis | 125ESX sx250SX East | March 28, 1998 |
| 17 | Jeromy Buehl | St. Louis | 250SX sx450SX | March 28, 1998 |
| 2 | Ezra Lusk | St. Louis | 250SX sx450SX | March 28, 1998 |
| 2 | Brock Sellards | St. Louis | 125ESX sx250SX East | March 28, 1998 |
| 13 | Steve Lamson | St. Louis | 250SX sx450SX | March 28, 1998 |
| 2 | Casey Lytle | Pontiac | 125ESX sx250SX East | April 4, 1998 |
| 7 | Mike LaRocco | Pontiac | 250SX sx450SX | April 4, 1998 |
| 1 | Ezra Lusk | Pontiac | 250SX sx450SX | April 4, 1998 |
| 15 | Stephane Roncada | Pontiac | 250SX sx450SX | April 4, 1998 |
| 4 | Brock Sellards | Pontiac | 125ESX sx250SX East | April 4, 1998 |
| 9 | Steve Lamson | Pontiac | 250SX sx450SX | April 4, 1998 |
| 6 | Michael R Craig | Pontiac | 250SX sx450SX | April 4, 1998 |
| 17 | Heath Voss | Pontiac | 250SX sx450SX | April 4, 1998 |
| 15 | Danny Smith | Pontiac | 125ESX sx250SX East | April 4, 1998 |
| 14 | Mike Brown | Pontiac | 250SX sx450SX | April 4, 1998 |
| 19 | Stephane Roncada | Charlotte | 250SX sx450SX | April 17, 1998 |
| 12 | Mike Brown | Charlotte | 250SX sx450SX | April 17, 1998 |
| 18 | Ryan Duff | Charlotte | 125ESX sx250SX East | April 17, 1998 |
| 7 | Mike LaRocco | Charlotte | 250SX sx450SX | April 17, 1998 |
| 11 | Tommy Clowers | Charlotte | 125ESX sx250SX East | April 17, 1998 |
| 2 | Ezra Lusk | Charlotte | 250SX sx450SX | April 17, 1998 |
| 3 | Brock Sellards | Charlotte | 125ESX sx250SX East | April 17, 1998 |
| 15 | Heath Voss | Charlotte | 250SX sx450SX | April 17, 1998 |
| 9 | Michael R Craig | Charlotte | 250SX sx450SX | April 17, 1998 |
| 15 | Joseph Oehlhof | Charlotte | 125ESX sx250SX East | April 17, 1998 |
| 5 | Steve Lamson | Charlotte | 250SX sx450SX | April 17, 1998 |
| 8 | Casey Lytle | Charlotte | 125ESX sx250SX East | April 17, 1998 |
| 18 | Heath Voss | Irving | 250SX sx450SX | April 25, 1998 |
| 7 | Mike LaRocco | Irving | 250SX sx450SX | April 25, 1998 |
| 21 | Joseph Oehlhof | Irving | 125WSX sx250SX West | April 25, 1998 |
| 4 | Steve Lamson | Irving | 250SX sx450SX | April 25, 1998 |
| 14 | Jason R McCormick | Irving | 125WSX sx250SX West | April 25, 1998 |
| 8 | Danny Smith | Irving | 125WSX sx250SX West | April 25, 1998 |
| 9 | Mike Brown | Irving | 250SX sx450SX | April 25, 1998 |
| 22 | David Pingree | Irving | 125WSX sx250SX West | April 25, 1998 |
| 5 | Michael R Craig | Irving | 250SX sx450SX | April 25, 1998 |
| 17 | Tommy Clowers | Irving | 125WSX sx250SX West | April 25, 1998 |
| 1 | Ezra Lusk | Irving | 250SX sx450SX | April 25, 1998 |
| 11 | Ryan Duff | Irving | 125WSX sx250SX West | April 25, 1998 |
| 2 | Stephane Roncada | Irving | 125WSX sx250SX West | April 25, 1998 |
| 3 | Stephane Roncada | Las Vegas | 125SX/Shootout sx250SX Showdown | May 2, 1998 |
| 19 | Steve Lamson | Las Vegas | 250SX sx450SX | May 2, 1998 |
| 14 | Heath Voss | Las Vegas | 250SX sx450SX | May 2, 1998 |
| 4 | Michael R Craig | Las Vegas | 250SX sx450SX | May 2, 1998 |
| 12 | Brock Sellards | Las Vegas | 125SX/Shootout sx250SX Showdown | May 2, 1998 |
| 18 | Mike Brown | Las Vegas | 250SX sx450SX | May 2, 1998 |
| 8 | Mike LaRocco | Las Vegas | 250SX sx450SX | May 2, 1998 |
| 16 | Casey Lytle | Las Vegas | 125SX/Shootout sx250SX Showdown | May 2, 1998 |
| 5 | David Pingree | Glen Helen Raceway | 125MX mx250 | May 10, 1998 |
| 27 | Ray Sommo | Glen Helen Raceway | 250MX mx450 | May 10, 1998 |
| 13 | Yoshitaka Atsuta | Glen Helen Raceway | 250MX mx450 | May 10, 1998 |
| 7 | Michael R Craig | Glen Helen Raceway | 250MX mx450 | May 10, 1998 |
| 37 | Jason R McCormick | Glen Helen Raceway | 125MX mx250 | May 10, 1998 |
| 25 | Rusty Holland | Glen Helen Raceway | 125MX mx250 | May 10, 1998 |
| 21 | Scott Sheak | Glen Helen Raceway | 125MX mx250 | May 10, 1998 |
| 11 | Brock Sellards | Glen Helen Raceway | 125MX mx250 | May 10, 1998 |
| 7 | Stephane Roncada | Glen Helen Raceway | 125MX mx250 | May 10, 1998 |
| 4 | Steve Lamson | Glen Helen Raceway | 125MX mx250 | May 10, 1998 |
| 19 | Heath D Voss | Glen Helen Raceway | 250MX mx450 | May 10, 1998 |
| 12 | Ezra Lusk | Glen Helen Raceway | 250MX mx450 | May 10, 1998 |
| 3 | Mike LaRocco | Glen Helen Raceway | 250MX mx450 | May 10, 1998 |
| 28 | Danny Smith | Glen Helen Raceway | 125MX mx250 | May 10, 1998 |
| 22 | Akira Narita | Glen Helen Raceway | 125MX mx250 | May 10, 1998 |
| 14 | Mike Brown | Glen Helen Raceway | 125MX mx250 | May 10, 1998 |
| 9 | Casey Lytle | Glen Helen Raceway | 125MX mx250 | May 10, 1998 |
| 6 | Scott Sheak | Hangtown Motocross Classic | 125MX mx250 | May 17, 1998 |
| 33 | Ryan Duff | Hangtown Motocross Classic | 250MX mx450 | May 17, 1998 |
| 13 | Heath D Voss | Hangtown Motocross Classic | 250MX mx450 | May 17, 1998 |
| 8 | Ezra Lusk | Hangtown Motocross Classic | 250MX mx450 | May 17, 1998 |
| 29 | Rusty Holland | Hangtown Motocross Classic | 125MX mx250 | May 17, 1998 |
| 23 | Akira Narita | Hangtown Motocross Classic | 125MX mx250 | May 17, 1998 |
| 15 | Jason R McCormick | Hangtown Motocross Classic | 125MX mx250 | May 17, 1998 |
| 13 | Stephane Roncada | Hangtown Motocross Classic | 125MX mx250 | May 17, 1998 |
| 9 | Mike Brown | Hangtown Motocross Classic | 125MX mx250 | May 17, 1998 |
| 1 | Steve Lamson | Hangtown Motocross Classic | 125MX mx250 | May 17, 1998 |
| 18 | Yoshitaka Atsuta | Hangtown Motocross Classic | 250MX mx450 | May 17, 1998 |
| 9 | Michael R Craig | Hangtown Motocross Classic | 250MX mx450 | May 17, 1998 |
| 5 | Mike LaRocco | Hangtown Motocross Classic | 250MX mx450 | May 17, 1998 |
| 27 | Brock Sellards | Hangtown Motocross Classic | 125MX mx250 | May 17, 1998 |
| 21 | David Pingree | Hangtown Motocross Classic | 125MX mx250 | May 17, 1998 |
| 14 | Danny Smith | Hangtown Motocross Classic | 125MX mx250 | May 17, 1998 |
| 11 | Casey Lytle | Hangtown Motocross Classic | 125MX mx250 | May 17, 1998 |
| 28 | Ryan Duff | High Point Raceway | 250MX mx450 | May 24, 1998 |
| 14 | Heath D Voss | High Point Raceway | 250MX mx450 | May 24, 1998 |
| 7 | Mike LaRocco | High Point Raceway | 250MX mx450 | May 24, 1998 |
| 39 | David Pingree | High Point Raceway | 125MX mx250 | May 24, 1998 |
| 27 | Joseph Oehlhof | High Point Raceway | 125MX mx250 | May 24, 1998 |
| 18 | Brock Sellards | High Point Raceway | 125MX mx250 | May 24, 1998 |
| 13 | Jason R McCormick | High Point Raceway | 125MX mx250 | May 24, 1998 |
| 10 | Scott Sheak | High Point Raceway | 125MX mx250 | May 24, 1998 |
| 3 | Steve Lamson | High Point Raceway | 125MX mx250 | May 24, 1998 |
| 27 | Charles Dunaway | High Point Raceway | 250MX mx450 | May 24, 1998 |
| 10 | Michael R Craig | High Point Raceway | 250MX mx450 | May 24, 1998 |
| 1 | Ezra Lusk | High Point Raceway | 250MX mx450 | May 24, 1998 |
| 35 | Michael Winslow | High Point Raceway | 125MX mx250 | May 24, 1998 |
| 21 | Casey Lytle | High Point Raceway | 125MX mx250 | May 24, 1998 |
| 15 | Danny Smith | High Point Raceway | 125MX mx250 | May 24, 1998 |
| 12 | Stephane Roncada | High Point Raceway | 125MX mx250 | May 24, 1998 |
| 4 | Mike Brown | High Point Raceway | 125MX mx250 | May 24, 1998 |
| 23 | Peter Jastremski | Moto-X 338 | 250MX mx450 | June 14, 1998 |
| 10 | Michael R Craig | Moto-X 338 | 250MX mx450 | June 14, 1998 |
| 2 | Ezra Lusk | Moto-X 338 | 250MX mx450 | June 14, 1998 |
| 37 | Ryan Duff | Moto-X 338 | 125MX mx250 | June 14, 1998 |
| 35 | Steve Lamson | Moto-X 338 | 125MX mx250 | June 14, 1998 |
| 24 | Jason R McCormick | Moto-X 338 | 125MX mx250 | June 14, 1998 |
| 14 | Stephane Roncada | Moto-X 338 | 125MX mx250 | June 14, 1998 |
| 3 | Scott Sheak | Moto-X 338 | 125MX mx250 | June 14, 1998 |
| 26 | Kenneth Jones | Moto-X 338 | 250MX mx450 | June 14, 1998 |
| 15 | Heath D Voss | Moto-X 338 | 250MX mx450 | June 14, 1998 |
| 4 | Mike LaRocco | Moto-X 338 | 250MX mx450 | June 14, 1998 |
| 39 | Jeffery Doane Jr | Moto-X 338 | 125MX mx250 | June 14, 1998 |
| 36 | Casey Lytle | Moto-X 338 | 125MX mx250 | June 14, 1998 |
| 33 | Mike Brown | Moto-X 338 | 125MX mx250 | June 14, 1998 |
| 17 | Danny Smith | Moto-X 338 | 125MX mx250 | June 14, 1998 |
| 12 | Brock Sellards | Moto-X 338 | 125MX mx250 | June 14, 1998 |
| 39 | Charles Dunaway | Budds Creek Motocross | 250MX mx450 | June 21, 1998 |
| 14 | Michael R Craig | Budds Creek Motocross | 250MX mx450 | June 21, 1998 |
| 9 | Ezra Lusk | Budds Creek Motocross | 250MX mx450 | June 21, 1998 |
| 35 | Ryan Duff | Budds Creek Motocross | 125MX mx250 | June 21, 1998 |
| 22 | Danny Smith | Budds Creek Motocross | 125MX mx250 | June 21, 1998 |
| 14 | Casey Lytle | Budds Creek Motocross | 125MX mx250 | June 21, 1998 |
| 6 | Stephane Roncada | Budds Creek Motocross | 125MX mx250 | June 21, 1998 |
| 34 | Kenneth Jones | Budds Creek Motocross | 250MX mx450 | June 21, 1998 |
| 10 | Heath D Voss | Budds Creek Motocross | 250MX mx450 | June 21, 1998 |
| 4 | Mike LaRocco | Budds Creek Motocross | 250MX mx450 | June 21, 1998 |
| 32 | Jason R McCormick | Budds Creek Motocross | 125MX mx250 | June 21, 1998 |
| 18 | Scott Sheak | Budds Creek Motocross | 125MX mx250 | June 21, 1998 |
| 12 | Brock Sellards | Budds Creek Motocross | 125MX mx250 | June 21, 1998 |
| 2 | Mike Brown | Budds Creek Motocross | 125MX mx250 | June 21, 1998 |
| 5 | Jason R McCormick | RedBud Track 'n Trail | 125MX mx250 | July 5, 1998 |
| 32 | Vartin Vaughn | RedBud Track 'n Trail | 250MX mx450 | July 5, 1998 |
| 16 | Heath D Voss | RedBud Track 'n Trail | 250MX mx450 | July 5, 1998 |
| 5 | Ezra Lusk | RedBud Track 'n Trail | 250MX mx450 | July 5, 1998 |
| 26 | Ryan Duff | RedBud Track 'n Trail | 125MX mx250 | July 5, 1998 |
| 11 | Stephane Roncada | RedBud Track 'n Trail | 125MX mx250 | July 5, 1998 |
| 9 | Scott Sheak | RedBud Track 'n Trail | 125MX mx250 | July 5, 1998 |
| 3 | Mike Brown | RedBud Track 'n Trail | 125MX mx250 | July 5, 1998 |
| 27 | Bradley Strunk | RedBud Track 'n Trail | 250MX mx450 | July 5, 1998 |
| 8 | Mike LaRocco | RedBud Track 'n Trail | 250MX mx450 | July 5, 1998 |
| 36 | Joseph Oehlhof | RedBud Track 'n Trail | 125MX mx250 | July 5, 1998 |
| 18 | Casey Lytle | RedBud Track 'n Trail | 125MX mx250 | July 5, 1998 |
| 10 | Brock Sellards | RedBud Track 'n Trail | 125MX mx250 | July 5, 1998 |
| 12 | Stephane Roncada | Unadilla Motocross | 125MX mx250 | July 19, 1998 |
| 7 | Mike Brown | Unadilla Motocross | 125MX mx250 | July 19, 1998 |
| 14 | Heath D Voss | Unadilla Motocross | 250MX mx450 | July 19, 1998 |
| 4 | Mike LaRocco | Unadilla Motocross | 250MX mx450 | July 19, 1998 |
| 35 | James McIlvaine | Unadilla Motocross | 125MX mx250 | July 19, 1998 |
| 17 | Rusty Holland | Unadilla Motocross | 125MX mx250 | July 19, 1998 |
| 14 | Casey Lytle | Unadilla Motocross | 125MX mx250 | July 19, 1998 |
| 11 | Brock Sellards | Unadilla Motocross | 125MX mx250 | July 19, 1998 |
| 5 | Scott Sheak | Unadilla Motocross | 125MX mx250 | July 19, 1998 |
| 6 | Ezra Lusk | Unadilla Motocross | 250MX mx450 | July 19, 1998 |
| 37 | Michael Winslow | Unadilla Motocross | 125MX mx250 | July 19, 1998 |
| 25 | Ryan Duff | Unadilla Motocross | 125MX mx250 | July 19, 1998 |
| 16 | Jason R McCormick | Unadilla Motocross | 125MX mx250 | July 19, 1998 |
| 26 | Bradley Strunk | Kenworthy's Motocross Park | 250MX mx450 | July 25, 1998 |
| 28 | Jeromy Buehl | Kenworthy's Motocross Park | 125MX mx250 | July 25, 1998 |
| 22 | Heath D Voss | Kenworthy's Motocross Park | 250MX mx450 | July 25, 1998 |
| 16 | Rusty Holland | Kenworthy's Motocross Park | 125MX mx250 | July 25, 1998 |
| 3 | Ezra Lusk | Kenworthy's Motocross Park | 250MX mx450 | July 25, 1998 |
| 11 | Brock Sellards | Kenworthy's Motocross Park | 125MX mx250 | July 25, 1998 |
| 8 | Casey Lytle | Kenworthy's Motocross Park | 125MX mx250 | July 25, 1998 |
| 29 | Joseph Oehlhof | Kenworthy's Motocross Park | 125MX mx250 | July 25, 1998 |
| 25 | Charles Dunaway | Kenworthy's Motocross Park | 250MX mx450 | July 25, 1998 |
| 24 | Jason R McCormick | Kenworthy's Motocross Park | 125MX mx250 | July 25, 1998 |
| 5 | Mike LaRocco | Kenworthy's Motocross Park | 250MX mx450 | July 25, 1998 |
| 12 | Scott Sheak | Kenworthy's Motocross Park | 125MX mx250 | July 25, 1998 |
| 9 | Stephane Roncada | Kenworthy's Motocross Park | 125MX mx250 | July 25, 1998 |
| 2 | Mike Brown | Kenworthy's Motocross Park | 125MX mx250 | July 25, 1998 |
| 20 | Heath D Voss | Washougal Motocross | 250MX mx450 | August 2, 1998 |
| 2 | Ezra Lusk | Washougal Motocross | 250MX mx450 | August 2, 1998 |
| 37 | Christopher Gosselaar | Washougal Motocross | 125MX mx250 | August 2, 1998 |
| 20 | Rusty Holland | Washougal Motocross | 125MX mx250 | August 2, 1998 |
| 14 | Brock Sellards | Washougal Motocross | 125MX mx250 | August 2, 1998 |
| 8 | Casey Lytle | Washougal Motocross | 125MX mx250 | August 2, 1998 |
| 3 | Jason R McCormick | Washougal Motocross | 125MX mx250 | August 2, 1998 |
| 23 | Yoshitaka Atsuta | Washougal Motocross | 250MX mx450 | August 2, 1998 |
| 12 | Mike LaRocco | Washougal Motocross | 250MX mx450 | August 2, 1998 |
| 39 | Akira Narita | Washougal Motocross | 125MX mx250 | August 2, 1998 |
| 23 | Ryan Duff | Washougal Motocross | 125MX mx250 | August 2, 1998 |
| 18 | Stephane Roncada | Washougal Motocross | 125MX mx250 | August 2, 1998 |
| 11 | Scott Sheak | Washougal Motocross | 125MX mx250 | August 2, 1998 |
| 4 | Mike Brown | Washougal Motocross | 125MX mx250 | August 2, 1998 |
| 5 | Mike Brown | Spring Creek Motocross | 125MX mx250 | August 16, 1998 |
| 8 | Heath D Voss | Spring Creek Motocross | 250MX mx450 | August 16, 1998 |
| 4 | Mike LaRocco | Spring Creek Motocross | 250MX mx450 | August 16, 1998 |
| 29 | Eric Kowalik | Spring Creek Motocross | 125MX mx250 | August 16, 1998 |
| 21 | Ryan Duff | Spring Creek Motocross | 125MX mx250 | August 16, 1998 |
| 18 | Matt Walker | Spring Creek Motocross | 125MX mx250 | August 16, 1998 |
| 13 | Rusty Holland | Spring Creek Motocross | 125MX mx250 | August 16, 1998 |
| 6 | Stephane Roncada | Spring Creek Motocross | 125MX mx250 | August 16, 1998 |
| 7 | Ezra Lusk | Spring Creek Motocross | 250MX mx450 | August 16, 1998 |
| 39 | Scott Sheak | Spring Creek Motocross | 125MX mx250 | August 16, 1998 |
| 22 | Casey Lytle | Spring Creek Motocross | 125MX mx250 | August 16, 1998 |
| 19 | Jason R McCormick | Spring Creek Motocross | 125MX mx250 | August 16, 1998 |
| 17 | Christopher Gosselaar | Spring Creek Motocross | 125MX mx250 | August 16, 1998 |
| 9 | Brock Sellards | Spring Creek Motocross | 125MX mx250 | August 16, 1998 |
| 12 | Scott Sheak | Broome-Tioga Sports Center | 125MX mx250 | August 30, 1998 |
| 8 | Brock Sellards | Broome-Tioga Sports Center | 125MX mx250 | August 30, 1998 |
| 14 | Heath D Voss | Broome-Tioga Sports Center | 250MX mx450 | August 30, 1998 |
| 38 | Jason R McCormick | Broome-Tioga Sports Center | 125MX mx250 | August 30, 1998 |
| 24 | Ryan Duff | Broome-Tioga Sports Center | 125MX mx250 | August 30, 1998 |
| 17 | Rusty Holland | Broome-Tioga Sports Center | 125MX mx250 | August 30, 1998 |
| 10 | Stephane Roncada | Broome-Tioga Sports Center | 125MX mx250 | August 30, 1998 |
| 6 | Mike Brown | Broome-Tioga Sports Center | 125MX mx250 | August 30, 1998 |
| 4 | Mike LaRocco | Broome-Tioga Sports Center | 250MX mx450 | August 30, 1998 |
| 25 | Matt Walker | Broome-Tioga Sports Center | 125MX mx250 | August 30, 1998 |
| 21 | Christopher Gosselaar | Broome-Tioga Sports Center | 125MX mx250 | August 30, 1998 |
| 30 | Mark Burkhart | Steel City Raceway | 125MX mx250 | September 6, 1998 |
| 19 | Matt Walker | Steel City Raceway | 125MX mx250 | September 6, 1998 |
| 13 | Christopher Gosselaar | Steel City Raceway | 125MX mx250 | September 6, 1998 |
| 8 | Stephane Roncada | Steel City Raceway | 125MX mx250 | September 6, 1998 |
| 3 | Mike LaRocco | Steel City Raceway | 250MX mx450 | September 6, 1998 |
| 31 | Joseph Oehlhof | Steel City Raceway | 125MX mx250 | September 6, 1998 |
| 27 | Scott Sheak | Steel City Raceway | 125MX mx250 | September 6, 1998 |
| 15 | Jason R McCormick | Steel City Raceway | 125MX mx250 | September 6, 1998 |
| 11 | Brock Sellards | Steel City Raceway | 125MX mx250 | September 6, 1998 |
| 6 | Mike Brown | Steel City Raceway | 125MX mx250 | September 6, 1998 |
| 8 | Heath D Voss | Steel City Raceway | 250MX mx450 | September 6, 1998 |
| 34 | Rusty Holland | Steel City Raceway | 125MX mx250 | September 6, 1998 |