| 17 | Mark Gregson | Anaheim | 250SX | November 11, 1978 |
| 2 | Brian Meyerscough | Sunshine Speedway | 125MX | August 27, 1978 |
| 4 | Mark Gregson | Sunshine Speedway | 125MX | August 27, 1978 |
| 5 | Pat Moroney | Sunshine Speedway | 500MX | August 27, 1978 |
| 5 | Richard Coon | Sunshine Speedway | 125MX | August 27, 1978 |
| 6 | Mickey Boone | Sunshine Speedway | 500MX | August 27, 1978 |
| 6 | Patrick Jacobsen | Sunshine Speedway | 125MX | August 27, 1978 |
| 7 | Anthony Masciarelli | Sunshine Speedway | 125MX | August 27, 1978 |
| 8 | Jeff Ward | Sunshine Speedway | 125MX | August 27, 1978 |
| 12 | Darrell Shultz | Sunshine Speedway | 500MX | August 27, 1978 |
| 15 | Tony DiStefano | Sunshine Speedway | 500MX | August 27, 1978 |
| 17 | Wayne Boyer | Sunshine Speedway | 500MX | August 27, 1978 |
| 21 | Jimmy Martin | Sunshine Speedway | 125MX | August 27, 1978 |
| 23 | John Racin | Sunshine Speedway | 125MX | August 27, 1978 |
| 25 | William Handley | Sunshine Speedway | 500MX | August 27, 1978 |
| 25 | Robert Handy | Sunshine Speedway | 125MX | August 27, 1978 |
| 2 | Darrell Shultz | Metrolina Speedway Park | 500MX | August 20, 1978 |
| 2 | Brian Meyerscough | Metrolina Speedway Park | 125MX | August 20, 1978 |
| 4 | Mark Gregson | Metrolina Speedway Park | 125MX | August 20, 1978 |
| 6 | Gary Denton | Metrolina Speedway Park | 125MX | August 20, 1978 |
| 7 | Tony DiStefano | Metrolina Speedway Park | 500MX | August 20, 1978 |
| 7 | Richard Coon | Metrolina Speedway Park | 125MX | August 20, 1978 |
| 8 | Gregg Toyama | Metrolina Speedway Park | 125MX | August 20, 1978 |
| 9 | Pat Moroney | Metrolina Speedway Park | 500MX | August 20, 1978 |
| 9 | Jeff Ward | Metrolina Speedway Park | 125MX | August 20, 1978 |
| 12 | Danny Laporte | Metrolina Speedway Park | 500MX | August 20, 1978 |
| 13 | Mickey Boone | Metrolina Speedway Park | 500MX | August 20, 1978 |
| 17 | Mike Twigg | Metrolina Speedway Park | 500MX | August 20, 1978 |
| 17 | Anthony Masciarelli | Metrolina Speedway Park | 125MX | August 20, 1978 |
| 18 | Ron Turner | Metrolina Speedway Park | 125MX | August 20, 1978 |
| 20 | Wayne Boyer | Metrolina Speedway Park | 500MX | August 20, 1978 |
| 21 | Marty Moates | Metrolina Speedway Park | 125MX | August 20, 1978 |
| 24 | Jimmy Martin | Metrolina Speedway Park | 125MX | August 20, 1978 |
| 27 | Brian Champion | Metrolina Speedway Park | 125MX | August 20, 1978 |
| 28 | Edward Horan | Metrolina Speedway Park | 125MX | August 20, 1978 |
| 2 | Ron Turner | Agency Motocross | 125MX | August 13, 1978 |
| 3 | Mark Gregson | Agency Motocross | 125MX | August 13, 1978 |
| 4 | Darrell Shultz | Agency Motocross | 500MX | August 13, 1978 |
| 7 | Mickey Boone | Agency Motocross | 500MX | August 13, 1978 |
| 8 | Tony DiStefano | Agency Motocross | 500MX | August 13, 1978 |
| 8 | Brian Meyerscough | Agency Motocross | 125MX | August 13, 1978 |
| 9 | Gregg Toyama | Agency Motocross | 125MX | August 13, 1978 |
| 12 | Wayne Boyer | Agency Motocross | 500MX | August 13, 1978 |
| 13 | Danny Laporte | Agency Motocross | 500MX | August 13, 1978 |
| 13 | Richard Coon | Agency Motocross | 125MX | August 13, 1978 |
| 14 | Pat Moroney | Agency Motocross | 500MX | August 13, 1978 |
| 14 | Jeff Ward | Agency Motocross | 125MX | August 13, 1978 |
| 16 | Duane Marker | Agency Motocross | 125MX | August 13, 1978 |
| 17 | Jimmy Martin | Agency Motocross | 125MX | August 13, 1978 |
| 18 | Anthony Masciarelli | Agency Motocross | 125MX | August 13, 1978 |
| 19 | Marty Moates | Agency Motocross | 125MX | August 13, 1978 |
| 20 | Robert Shoup | Agency Motocross | 500MX | August 13, 1978 |
| 20 | Patrick Jacobsen | Agency Motocross | 125MX | August 13, 1978 |
| 21 | Randy Hess | Agency Motocross | 125MX | August 13, 1978 |
| 23 | David Jones | Agency Motocross | 125MX | August 13, 1978 |
| 26 | Dare Westmoreland | Agency Motocross | 500MX | August 13, 1978 |
| 3 | Darrell Shultz | Pine Top Motorcycle Park | 500MX | August 6, 1978 |
| 4 | Richard Coon | Pine Top Motorcycle Park | 125MX | August 6, 1978 |
| 6 | Mark Gregson | Pine Top Motorcycle Park | 125MX | August 6, 1978 |
| 8 | Danny Laporte | Pine Top Motorcycle Park | 500MX | August 6, 1978 |
| 8 | Jeff Ward | Pine Top Motorcycle Park | 125MX | August 6, 1978 |
| 9 | Mickey Boone | Pine Top Motorcycle Park | 500MX | August 6, 1978 |
| 11 | Wayne Boyer | Pine Top Motorcycle Park | 500MX | August 6, 1978 |
| 11 | Brian Meyerscough | Pine Top Motorcycle Park | 125MX | August 6, 1978 |
| 12 | Tony DiStefano | Pine Top Motorcycle Park | 500MX | August 6, 1978 |
| 13 | Randy Hess | Pine Top Motorcycle Park | 125MX | August 6, 1978 |
| 14 | Steve Morrison | Pine Top Motorcycle Park | 125MX | August 6, 1978 |
| 15 | Gregg Toyama | Pine Top Motorcycle Park | 125MX | August 6, 1978 |
| 16 | Patrick Jacobsen | Pine Top Motorcycle Park | 125MX | August 6, 1978 |
| 17 | Duane Marker | Pine Top Motorcycle Park | 125MX | August 6, 1978 |
| 19 | James Meenan | Pine Top Motorcycle Park | 125MX | August 6, 1978 |
| 20 | John Racin | Pine Top Motorcycle Park | 125MX | August 6, 1978 |
| 21 | Anthony Masciarelli | Pine Top Motorcycle Park | 125MX | August 6, 1978 |
| 24 | Mike Twigg | Pine Top Motorcycle Park | 500MX | August 6, 1978 |
| 26 | Jeff Callihan | Pine Top Motorcycle Park | 125MX | August 6, 1978 |
| 27 | Raymond English | Pine Top Motorcycle Park | 125MX | August 6, 1978 |
| 3 | Tony DiStefano | Atlanta International Raceway | 500MX | July 16, 1978 |
| 4 | Danny Laporte | Atlanta International Raceway | 500MX | July 16, 1978 |
| 5 | Brian Meyerscough | Atlanta International Raceway | 125MX | July 16, 1978 |
| 8 | Mickey Boone | Atlanta International Raceway | 500MX | July 16, 1978 |
| 9 | Jimmy Martin | Atlanta International Raceway | 125MX | July 16, 1978 |
| 14 | Mark Gregson | Atlanta International Raceway | 125MX | July 16, 1978 |
| 15 | Darrell Shultz | Atlanta International Raceway | 500MX | July 16, 1978 |
| 16 | Richard Coon | Atlanta International Raceway | 125MX | July 16, 1978 |
| 17 | Marty Moates | Atlanta International Raceway | 125MX | July 16, 1978 |
| 18 | Danny Chandler | Atlanta International Raceway | 125MX | July 16, 1978 |
| 19 | John Ayers | Atlanta International Raceway | 500MX | July 16, 1978 |
| 19 | Robert Handy | Atlanta International Raceway | 125MX | July 16, 1978 |
| 20 | Pat Moroney | Atlanta International Raceway | 500MX | July 16, 1978 |
| 20 | David Jones | Atlanta International Raceway | 125MX | July 16, 1978 |
| 22 | Robert Shoup | Atlanta International Raceway | 500MX | July 16, 1978 |
| 22 | Anthony Masciarelli | Atlanta International Raceway | 125MX | July 16, 1978 |
| 23 | Robert Neeley | Atlanta International Raceway | 125MX | July 16, 1978 |
| 26 | Ron Turner | Atlanta International Raceway | 125MX | July 16, 1978 |
| 3 | Mickey Boone | High Point Raceway | 500MX | July 9, 1978 |
| 5 | Kent Howerton | High Point Raceway | 250MX | July 9, 1978 |
| 6 | Danny Laporte | High Point Raceway | 500MX | July 9, 1978 |
| 10 | Dennis Brand | High Point Raceway | 250MX | July 9, 1978 |
| 12 | Darrell Shultz | High Point Raceway | 500MX | July 9, 1978 |
| 19 | Pat Moroney | High Point Raceway | 500MX | July 9, 1978 |
| 20 | Robert Shoup | High Point Raceway | 500MX | July 9, 1978 |
| 22 | Mike Twigg | High Point Raceway | 500MX | July 9, 1978 |
| 25 | John Ayers | High Point Raceway | 500MX | July 9, 1978 |
| 1 | Kent Howerton | RedBud Track 'n Trail | 250MX | July 2, 1978 |
| 3 | Danny Laporte | RedBud Track 'n Trail | 500MX | July 2, 1978 |
| 11 | Dennis Brand | RedBud Track 'n Trail | 250MX | July 2, 1978 |
| 16 | Darrell Shultz | RedBud Track 'n Trail | 500MX | July 2, 1978 |
| 21 | Tony DiStefano | RedBud Track 'n Trail | 500MX | July 2, 1978 |
| 21 | Steve Horvath | RedBud Track 'n Trail | 250MX | July 2, 1978 |
| 5 | Kent Howerton | Los Angeles | 250SX | June 24, 1978 |
| 10 | Mark Gregson | Los Angeles | 250SX | June 24, 1978 |
| 3 | Darrell Shultz | Cycle World USA | 500MX | June 18, 1978 |
| 5 | Kent Howerton | Cycle World USA | 250MX | June 18, 1978 |
| 9 | Danny Laporte | Cycle World USA | 500MX | June 18, 1978 |
| 12 | Tony DiStefano | Cycle World USA | 500MX | June 18, 1978 |
| 16 | Robert Shoup | Cycle World USA | 500MX | June 18, 1978 |
| 17 | Pat Moroney | Cycle World USA | 500MX | June 18, 1978 |
| 22 | Steve Horvath | Cycle World USA | 250MX | June 18, 1978 |
| 25 | Pierce Law | Cycle World USA | 250MX | June 18, 1978 |
| 6 | Kent Howerton | Sears Point International Raceway | 250MX | June 11, 1978 |
| 7 | Danny Laporte | Sears Point International Raceway | 500MX | June 11, 1978 |
| 9 | Mickey Boone | Sears Point International Raceway | 500MX | June 11, 1978 |
| 19 | Wayne Boyer | Sears Point International Raceway | 500MX | June 11, 1978 |
| 19 | Dennis Brand | Sears Point International Raceway | 250MX | June 11, 1978 |
| 20 | Tony DiStefano | Sears Point International Raceway | 500MX | June 11, 1978 |
| 1 | Danny Laporte | Lake Whitney Cycle Ranch | 500MX | May 28, 1978 |
| 2 | Kent Howerton | Lake Whitney Cycle Ranch | 250MX | May 28, 1978 |
| 6 | Mickey Boone | Lake Whitney Cycle Ranch | 500MX | May 28, 1978 |
| 7 | Darrell Shultz | Lake Whitney Cycle Ranch | 500MX | May 28, 1978 |
| 11 | Pat Moroney | Lake Whitney Cycle Ranch | 500MX | May 28, 1978 |
| 13 | Dennis Brand | Lake Whitney Cycle Ranch | 250MX | May 28, 1978 |
| 20 | Pierce Law | Lake Whitney Cycle Ranch | 250MX | May 28, 1978 |
| 10 | Danny Laporte | New Orleans | 250SX | May 20, 1978 |
| 12 | Kent Howerton | New Orleans | 250SX | May 20, 1978 |
| 14 | Mickey Boone | New Orleans | 250SX | May 20, 1978 |
| 17 | Mark Barnett | New Orleans | 250SX | May 20, 1978 |
| 12 | Danny Laporte | Pittsburgh | 250SX | May 13, 1978 |
| 16 | Mickey Boone | Pittsburgh | 250SX | May 13, 1978 |
| 20 | Fred Vertucci | Pittsburgh | 250SX | May 13, 1978 |
| 3 | Brian Meyerscough | Moto-X 338 | 125MX | May 7, 1978 |
| 6 | David Taylor | Moto-X 338 | 125MX | May 7, 1978 |
| 8 | Richard Coon | Moto-X 338 | 125MX | May 7, 1978 |
| 9 | Marty Moates | Moto-X 338 | 125MX | May 7, 1978 |
| 10 | Jeff Ward | Moto-X 338 | 125MX | May 7, 1978 |
| 10 | Dennis Brand | Moto-X 338 | 250MX | May 7, 1978 |
| 11 | Mark Gregson | Moto-X 338 | 125MX | May 7, 1978 |
| 12 | Danny Chandler | Moto-X 338 | 125MX | May 7, 1978 |
| 13 | Steve Morrison | Moto-X 338 | 125MX | May 7, 1978 |
| 14 | James Meenan | Moto-X 338 | 125MX | May 7, 1978 |
| 16 | Robert Maihos | Moto-X 338 | 125MX | May 7, 1978 |
| 20 | Koji Masuda | Moto-X 338 | 125MX | May 7, 1978 |
| 22 | Pierce Law | Moto-X 338 | 250MX | May 7, 1978 |
| 26 | Randy Hess | Moto-X 338 | 125MX | May 7, 1978 |
| 1 | Mark Barnett | Omaha Moto Park | 125MX | April 30, 1978 |
| 4 | Jeff Ward | Omaha Moto Park | 125MX | April 30, 1978 |
| 5 | Danny Chandler | Omaha Moto Park | 125MX | April 30, 1978 |
| 7 | Marty Moates | Omaha Moto Park | 125MX | April 30, 1978 |
| 8 | David Jones | Omaha Moto Park | 125MX | April 30, 1978 |
| 10 | William Joyce | Omaha Moto Park | 125MX | April 30, 1978 |
| 12 | Tom Benolkin | Omaha Moto Park | 125MX | April 30, 1978 |
| 14 | Brian Meyerscough | Omaha Moto Park | 125MX | April 30, 1978 |
| 16 | David Taylor | Omaha Moto Park | 125MX | April 30, 1978 |
| 18 | James Rice | Omaha Moto Park | 125MX | April 30, 1978 |
| 22 | Steven Abt | Omaha Moto Park | 125MX | April 30, 1978 |
| 23 | Randy Tyson | Omaha Moto Park | 125MX | April 30, 1978 |
| 1 | Mark Barnett | Rio Bravo MX Park | 125MX | April 23, 1978 |
| 6 | Brian Meyerscough | Rio Bravo MX Park | 125MX | April 23, 1978 |
| 7 | David Taylor | Rio Bravo MX Park | 125MX | April 23, 1978 |
| 12 | Kent Howerton | Rio Bravo MX Park | 250MX | April 23, 1978 |
| 13 | Marty Moates | Rio Bravo MX Park | 125MX | April 23, 1978 |
| 14 | Jeff Ward | Rio Bravo MX Park | 125MX | April 23, 1978 |
| 17 | Randy Hess | Rio Bravo MX Park | 125MX | April 23, 1978 |
| 18 | Mark Gregson | Rio Bravo MX Park | 125MX | April 23, 1978 |
| 19 | Robert Handy | Rio Bravo MX Park | 125MX | April 23, 1978 |
| 19 | Dennis Brand | Rio Bravo MX Park | 250MX | April 23, 1978 |
| 24 | Jimmy Martin | Rio Bravo MX Park | 125MX | April 23, 1978 |
| 25 | Anthony Masciarelli | Rio Bravo MX Park | 125MX | April 23, 1978 |
| 2 | Mark Barnett | Racing World | 125MX | April 16, 1978 |
| 3 | Danny Chandler | Racing World | 125MX | April 16, 1978 |
| 6 | Jeff Ward | Racing World | 125MX | April 16, 1978 |
| 8 | Brian Meyerscough | Racing World | 125MX | April 16, 1978 |
| 9 | David Taylor | Racing World | 125MX | April 16, 1978 |
| 10 | Koji Masuda | Racing World | 125MX | April 16, 1978 |
| 11 | Marty Moates | Racing World | 125MX | April 16, 1978 |
| 12 | Ron Turner | Racing World | 125MX | April 16, 1978 |
| 12 | Dennis Brand | Racing World | 250MX | April 16, 1978 |
| 14 | Patrick Jacobsen | Racing World | 125MX | April 16, 1978 |
| 16 | Gregg Toyama | Racing World | 125MX | April 16, 1978 |
| 18 | Mark Gregson | Racing World | 125MX | April 16, 1978 |
| 20 | Randy Hess | Racing World | 125MX | April 16, 1978 |
| 21 | Martin Miller | Racing World | 125MX | April 16, 1978 |
| 23 | Jack Keese | Racing World | 125MX | April 16, 1978 |
| 24 | Jimmy Martin | Racing World | 125MX | April 16, 1978 |
| 2 | Mark Barnett | Hangtown Motocross Classic | 125MX | April 9, 1978 |
| 2 | Kent Howerton | Hangtown Motocross Classic | 250MX | April 9, 1978 |
| 6 | Marty Moates | Hangtown Motocross Classic | 125MX | April 9, 1978 |
| 7 | Danny Chandler | Hangtown Motocross Classic | 125MX | April 9, 1978 |
| 9 | Brian Meyerscough | Hangtown Motocross Classic | 125MX | April 9, 1978 |
| 12 | Mark Gregson | Hangtown Motocross Classic | 125MX | April 9, 1978 |
| 13 | Koji Masuda | Hangtown Motocross Classic | 125MX | April 9, 1978 |
| 16 | Jeff Ward | Hangtown Motocross Classic | 125MX | April 9, 1978 |
| 19 | William Joyce | Hangtown Motocross Classic | 125MX | April 9, 1978 |
| 21 | Patrick Jacobsen | Hangtown Motocross Classic | 125MX | April 9, 1978 |
| 22 | Martin Miller | Hangtown Motocross Classic | 125MX | April 9, 1978 |
| 24 | Duane Marker | Hangtown Motocross Classic | 125MX | April 9, 1978 |
| 3 | Kent Howerton | Pontiac 2 | 250SX | April 2, 1978 |
| 9 | Mickey Boone | Pontiac 2 | 250SX | April 2, 1978 |
| 11 | Mark Barnett | Pontiac 2 | 250SX | April 2, 1978 |
| 14 | Danny Laporte | Pontiac 2 | 250SX | April 2, 1978 |
| 20 | Bob Rutter | Pontiac 2 | 250SX | April 2, 1978 |
| 2 | Kent Howerton | Pontiac 1 | 250SX | April 1, 1978 |
| 7 | Mickey Boone | Pontiac 1 | 250SX | April 1, 1978 |
| 14 | Bob Rutter | Pontiac 1 | 250SX | April 1, 1978 |
| 18 | Mark Barnett | Pontiac 1 | 250SX | April 1, 1978 |
| 5 | Koji Masuda | Houston 2 | 250SX | March 18, 1978 |
| 11 | Kent Howerton | Houston 2 | 250SX | March 18, 1978 |
| 16 | Mark Barnett | Houston 2 | 250SX | March 18, 1978 |
| 18 | Tony DiStefano | Houston 2 | 250SX | March 18, 1978 |
| 20 | Mickey Boone | Houston 2 | 250SX | March 18, 1978 |
| 3 | Tony DiStefano | Houston 1 | 250SX | March 17, 1978 |
| 12 | Kent Howerton | Houston 1 | 250SX | March 17, 1978 |
| 14 | Mickey Boone | Houston 1 | 250SX | March 17, 1978 |
| 15 | Mark Barnett | Houston 1 | 250SX | March 17, 1978 |
| 6 | Mark Barnett | Daytona | 250SX | March 11, 1978 |
| 8 | Mickey Boone | Daytona | 250SX | March 11, 1978 |
| 12 | Tony DiStefano | Daytona | 250SX | March 11, 1978 |
| 14 | Kent Howerton | Daytona | 250SX | March 11, 1978 |
| 16 | Mark Robillard | Daytona | 250SX | March 11, 1978 |
| 2 | Kent Howerton | Atlanta | 250SX | March 4, 1978 |
| 4 | Danny Laporte | Atlanta | 250SX | March 4, 1978 |
| 17 | Mark Robillard | Atlanta | 250SX | March 4, 1978 |
| 4 | Kent Howerton | Seattle | 250SX | February 18, 1978 |
| 12 | Danny Laporte | Seattle | 250SX | February 18, 1978 |
| 16 | Tony DiStefano | Seattle | 250SX | February 18, 1978 |