The categories for which eliminations are conducted and the format of racing comprise the following classes and racing systems.

 GROUP ONE- Heads up racing: Tree type: 4 tenths Pro..

Top Alcohol division: TA/D, TA/FC, All double classification Competition vehicles eligible. 8 car fields.

Top Doorslammer division: T/D, All Supercharged, Turbo and Nitrous Sedans eligible. 8 car fields. 

GROUP TWO – Class record handicaps: Tree type: 4 tenths Full.

Competition division: Dragster, Altered, Funny Car classes. 8 car field. Note: When no championship division, Top Alcohol can run on current T/A respective records/ index.

 Super Stock division: Street based Sedans which may incorporate -      Top Street: All classes, Sport Compact including: Pro Import, Sport Mod. & Street Import. 16 car field. Note: When no championship division, Top Doorslammer can run in Super Stock on current T/D record/ index.   

Competition Bike division: Top Bike, Drag Bike, Push Rod Bike, Pro Stock Bike and Street Bike classes. 16 bike field. 

GROUP THREE – Dial your own handicaps: Tree type: 4 tenths Full

Supercharged Outlaws: Supercharged Dragster, Altered, Funny Cars and Sedans under 8.0 seconds. 16 car field. 

Modified division: Dragster, Altered, Funny Car classes. Unlimited car field. 

Super Sedan division: Sedans under 10.99 seconds. Unlimited car field. 

Super Street division: Sportsman Sedans over 11.0 seconds. Unlimited car field. 

Junior Dragster division: Replica Dragsters for Children 6 to age 17. Unlimited car field.

Modified Bike division:  DYO handicap motorcycles. Unlimited bike field. 

GROUP FOUR – 9.90 Fixed index: Tree type: 4 tenths Pro. 

Super Gas division:  Dragster, Altered, Funny Car and Sedan vehicles. 8 car field.