| 1 | Marty Smith | Motocross West | 125MX | September 1, 1975 |
| 4 | Warren Reid | Motocross West | 125MX | September 1, 1975 |
| 10 | Jack Keese | Motocross West | 125MX | September 1, 1975 |
| 11 | Thomas James | Motocross West | 125MX | September 1, 1975 |
| 15 | Mickey Boone | Motocross West | 125MX | September 1, 1975 |
| 17 | Phil Alderton | Motocross West | 125MX | September 1, 1975 |
| 4 | Pierre Karsmakers | Motocross West | 500MX | September 1, 1975 |
| 1 | Marty Smith | Cycle-Rama | 125MX | August 24, 1975 |
| 5 | Mickey Boone | Cycle-Rama | 125MX | August 24, 1975 |
| 11 | Thomas James | Cycle-Rama | 125MX | August 24, 1975 |
| 12 | Charles Cavin | Cycle-Rama | 125MX | August 24, 1975 |
| 14 | Jack Keese | Cycle-Rama | 125MX | August 24, 1975 |
| 15 | Warren Reid | Cycle-Rama | 125MX | August 24, 1975 |
| 20 | Tommy Croft | Cycle-Rama | 125MX | August 24, 1975 |
| 2 | Pierre Karsmakers | Ohio International Raceway | 500MX | August 24, 1975 |
| 3 | Marty Smith | Lake Sugar Tree MX Park | 500MX | August 17, 1975 |
| 6 | Pierre Karsmakers | Lake Sugar Tree MX Park | 500MX | August 17, 1975 |
| 1 | Pierre Karsmakers | Moto-Masters Park | 500MX | August 10, 1975 |
| 4 | Marty Smith | Moto-Masters Park | 500MX | August 10, 1975 |
| 1 | Marty Smith | Appalachia Lake Park | 125MX | August 3, 1975 |
| 3 | Tommy Croft | Appalachia Lake Park | 125MX | August 3, 1975 |
| 4 | Mickey Boone | Appalachia Lake Park | 125MX | August 3, 1975 |
| 10 | Warren Reid | Appalachia Lake Park | 125MX | August 3, 1975 |
| 16 | Jack Keese | Appalachia Lake Park | 125MX | August 3, 1975 |
| 18 | Fred Joehnck | Appalachia Lake Park | 125MX | August 3, 1975 |
| 19 | Phil Alderton | Appalachia Lake Park | 125MX | August 3, 1975 |
| 1 | Marty Smith | Delta Motorsport Park | 125MX | July 27, 1975 |
| 3 | Tommy Croft | Delta Motorsport Park | 125MX | July 27, 1975 |
| 4 | Mickey Boone | Delta Motorsport Park | 125MX | July 27, 1975 |
| 12 | Donald Goss | Delta Motorsport Park | 125MX | July 27, 1975 |
| 17 | Ricky O'Brien | Delta Motorsport Park | 125MX | July 27, 1975 |
| 19 | Jack Keese | Delta Motorsport Park | 125MX | July 27, 1975 |
| 4 | Pierre Karsmakers | Los Angeles | 250SX | July 19, 1975 |
| 1 | Marty Smith | Omaha Moto Park | 125MX | July 13, 1975 |
| 12 | Phil Alderton | Omaha Moto Park | 125MX | July 13, 1975 |
| 13 | Tim Riddle | Omaha Moto Park | 125MX | July 13, 1975 |
| 14 | Ricky O'Brien | Omaha Moto Park | 125MX | July 13, 1975 |
| 16 | Jack Keese | Omaha Moto Park | 125MX | July 13, 1975 |
| 18 | Tommy Croft | Omaha Moto Park | 125MX | July 13, 1975 |
| 19 | Warren Reid | Omaha Moto Park | 125MX | July 13, 1975 |
| 1 | Marty Smith | Midland Motocross Park | 125MX | June 29, 1975 |
| 5 | Donald Goss | Midland Motocross Park | 125MX | June 29, 1975 |
| 7 | Warren Reid | Midland Motocross Park | 125MX | June 29, 1975 |
| 11 | Mark Stapleton | Midland Motocross Park | 125MX | June 29, 1975 |
| 12 | Gary Duncan | Midland Motocross Park | 125MX | June 29, 1975 |
| 16 | Tommy Croft | Midland Motocross Park | 125MX | June 29, 1975 |
| 17 | Mark Tyer | Midland Motocross Park | 125MX | June 29, 1975 |
| 18 | Duane Dreyer | Midland Motocross Park | 125MX | June 29, 1975 |
| 12 | Tommy Croft | Lake Whitney Cycle Ranch | 250MX | June 15, 1975 |
| 16 | Marty Smith | Lake Whitney Cycle Ranch | 250MX | June 15, 1975 |
| 3 | Marty Smith | Omaha Moto Park | 250MX | June 1, 1975 |
| 6 | Pierre Karsmakers | Omaha Moto Park | 250MX | June 1, 1975 |
| 8 | Marty Smith | Castle Point Moto Sport Park | 250MX | May 25, 1975 |
| 6 | Pierre Karsmakers | Appalachia Lake Park | 250MX | May 4, 1975 |
| 16 | Rich Eierstedt | Appalachia Lake Park | 250MX | May 4, 1975 |
| 18 | Tommy Croft | Appalachia Lake Park | 250MX | May 4, 1975 |
| 19 | Marty Smith | Appalachia Lake Park | 250MX | May 4, 1975 |
| 3 | Marty Smith | Hangtown Motocross Classic | 125MX | April 6, 1975 |
| 4 | Warren Reid | Hangtown Motocross Classic | 125MX | April 6, 1975 |
| 5 | Fred Joehnck | Hangtown Motocross Classic | 125MX | April 6, 1975 |
| 7 | William Amaradio | Hangtown Motocross Classic | 125MX | April 6, 1975 |
| 13 | Mark Tyer | Hangtown Motocross Classic | 125MX | April 6, 1975 |
| 15 | Ted Weeks | Hangtown Motocross Classic | 125MX | April 6, 1975 |
| 16 | Richard Sheren | Hangtown Motocross Classic | 125MX | April 6, 1975 |
| 17 | Ron Turner | Hangtown Motocross Classic | 125MX | April 6, 1975 |
| 18 | Richard Gracia Jr | Hangtown Motocross Classic | 125MX | April 6, 1975 |
| 20 | Tommy Croft | Hangtown Motocross Classic | 125MX | April 6, 1975 |
| 2 | Marty Smith | Houston | 250SX | March 14, 1975 |
| 3 | Rich Eierstedt | Houston | 250SX | March 14, 1975 |
| 2 | Rich Eierstedt | Daytona | 250SX | March 8, 1975 |
| 12 | Tommy Croft | Daytona | 250SX | March 8, 1975 |
| 13 | Marty Smith | Daytona | 250SX | March 8, 1975 |
| 21 | Mickey Boone | Daytona | 250SX | March 8, 1975 |
| 25 | Ricky O'Brien | Daytona | 250SX | March 8, 1975 |
| 2 | Marty Smith | Irving | 250SX | February 28, 1975 |
| 9 | Tommy Croft | Irving | 250SX | February 28, 1975 |
| 13 | Rich Eierstedt | Irving | 250SX | February 28, 1975 |
