Class 1 850 lb. KIDS CLASS 12 HP or less (Ages 5-14)

Class 2 875 lb. 12 HP or less

Class 3 Small Tire Open Stock 950 lb.

Class 4 1000 lb. 16 HP Single

Class 5 1050 lb. Flat-Head Twin

Class 6 1100 lb. Over-Head Twin

Class 7 Large Tire Hot Stock 1000 lb.

Class 8 Diesel 1100 lb.

Pro and Super Stock Class 1000 lb. 

Class 9 950 lb. KIDS CLASS 12 HP or less (Ages 5-14)

Class 10A 975 lb. Powder Puff "Women's" 12 HP or less

Class 10B 975 lb. 12 HP or less

Class 11 Small Tire Open Stock 1000 lb.

Class 12 1100 lb. 16 HP Single

Class 13 1150 lb. Flat-Head Twin

Class 14 1200 lb. Over-Head Twin

Class 15 Large Tire Hot Stock 1050 lb.

Class 16 Diesel 1200 lb.

Pro and Super Stock Class 1050 lb.