2023 Competition Classes(Tentative list as of 3/11/2023):

SKI(stand up style PWC) CLASS:

Pro/Am ski lites

Pro/Am ski GP

Pro/Am Vintage ski Open

Beginner Ski Lite

SPORT CLASS(Seadoo HX, Yamaha WaveBlaster, X2):

Pro/Am Sport spec

Pro/Am sport GP

Junior Sport


IJSBA competition format


Pro/Am X2 open (800cc maximum) 

REC LITES/ SPARK CLASS( Sea Doo Spark & Yamaha VX PWC):

Pro/Am Rec Lites 

Pro/Am Womens Rec Lites 


Stock 800 Runabout

Pro/Am Runabout 800 limited

Pro/Am Runabout 1100 Super Stock

Beginner Runabout 4stroke

Pro/Am Runabout 4stroke

Pro/Am Superchicken( SC650 watercaft only) open (800cc maximum)

Biggie Smalls/Junior+( meant to introduce a younger or unfamiliar racer with the concepts of closed course racing):

1 family member/racing mentor on one ski + 1 Junior/beginner racer on thier own ski of the same racing class


  • Superchicken class to allow handling modifications. IJSBA approved handling mods ie: Rear Sponson’s, tubbies, intake grate, ride plate NO SKEGS or RUDDERS.
  • Vintage ski; eligible skis – 300’s, 440’s, 550’s only. Ported/Mod skis to race vintage open. 
  • Vintage ski open; eligible skis – SN650, SX750, SX650, 300/440/550(750) conversions, FX1.701
  • only experts can race GP classes
  • minimum of (5) for each class

Questions regarding class rules, modifications etc should be directed to the IJSBA . The rule books are available on : www.IJSBA.com

The 2016 Rule Book can be found HERE

Sport Spec Rules can be found HERE