| 50cc Stock (4-6) |
250 Expert |
| 50cc Stock (7-8) |
250 Amateur |
| 50cc Oil Injected/Shifter (4-8) |
250 Novice |
| 50cc Open (4-8) |
450 Expert |
| 65cc (7-9) |
450 Amateur |
| 65cc (10-11) |
450 Novice |
| 85cc (9-11) |
25+ Vet Expert |
| 85cc (12-15) |
25+ Vet Amateur |
| Junior Mini |
25+ Vet Novice |
| Super Mini |
30+ Vet Expert |
| Schoolboy 1 |
30 + Vet Amateur |
| Schoolboy II |
30 + Vet Novice |
| Collegeboy |
40 + Senior Expert |
| Girls (9-13) |
40 + Senior Amateur |
| Women (14+) |
40+ Senior Novice |
| Open Two Stroke (14 & Up) |
45 + Senior |
| 250 (14 & Up) and 450 (16 & Up) Beginner |
Masters 50 + |
| 65/85 (15 & Younger) Beginner |
Pit Bike (Mini Track) |
