TFH
Top Fuel Hydro
Nitromethane-fueled hydroplane racing.
Know the field
BOAT CLASSES.
From hydroplanes to personal watercraft, explore the different sides of SDBA racing.
A guide to the classes
Based on the 2022 SDBA rulebook and archived class directory. Check current rules and event listings for eligibility and available classes.
Read the historical rulebookThe racing field
Professional classes
TAH
Top Alcohol Hydro
Alcohol-powered hydroplanes.
TAF
Top Alcohol Flat
Alcohol-powered flatbottom boats.
PO
Pro Outlaw
Professional elapsed-time class.
PM
Pro Modified
Professional elapsed-time class.
PCF
Pro Comp Flat
Professional flatbottom competition.
PJ
Pro Jet
Professional jet-powered boats.
The racing field
Licensed sportsman classes
QE
Quick Eliminator
Sportsman elapsed-time competition.
PE
Pro Eliminator
Sportsman elapsed-time competition.
TE
Top Eliminator
Sportsman elapsed-time competition.
The racing field
Other sportsman classes
ME
Modified Eliminator
Sportsman elapsed-time competition.
SE
Stock Eliminator
Dial-in bracket racing.
PWC
Personal Watercraft
Personal watercraft bracket racing.
For drivers & crews
Racer resources.
Find forms, registration information, and rulebook resources.
Racers