R5: 65cc - 50cc Stock
R9: Vet - Super Senior - Women
R8: 85cc - 65cc
R6: Seniors - College - Jr. Vet
R7: Quads
R4: 250 Nov - 450 Beg - Supermini
R3: 450 Exp/Nov - 250 Beg - 2 Stroke
R1: 250 Exp/Int - 450 Int - Open Nov
R2: 50cc MOD
