IJSBA is pleased to release the first tentative class list for the 2021 Jettrim WGP1 World Finals.  This list includes the anticipated list of what will be offered for this year including the mandatory classes for the World Series.  If you do not see a class you were expecting to be offered, please email info@ijsba.com so we can discuss criteria to have the category added.  Aside from the mandatory categories, this list is tentative and subject to change by either being reduced or increased in size.  Most certaintly, it is likely to increase.

2021 Jettrim GP1 World Finals Class List (Updated July23):


Categories in BOLD are mandatory classes as part of the IJSBA World Series.


Pro Ski Grand Prix

Pro Sport GP

Pro Runabout 1100 Open

Pro Runabout GP

Pro Freestyle

Pro-Am Runabout Endurance Open

Pro-Am Ski Stock

Pro-Am Ski Lites

Pro-Am Four Stroke Ski Lites

Pro-Am Womens Ski

Pro-Am Sport GT1RGP

Pro-Am Runabout Stock

Pro-Am Runabout Superstock

Expert Veterans Runabout

Expert Ski Grand Prix

Amateur Runabout 1100 Stock

Novice Ski Stock

Novice Runabout 1100 Stock

Junior Ski 13-15 Stock

Amateur Freestyle

Pro Am Ski Superstock

Sport Spec

Amateur Ski Four Stroke Lites

Womens’ Runabout

Vintage Ski

Vintage X2

Vintage SC

Amateur Ski GP 2 Stroke

Ski Mod Lites

Amateur Runabout 1100 Limited

Amateur Runabout Rec Lites

Blaster GP 

Women’s Runabout

Women’s Runabout 1100 Stock

Runabout Naturally Aspirated

Amateur Runabout Rec Lites

Amateur Veteran’s Ski Stock.

Amateur Veterans Ski GP

Amateur Veterans Ski Lites

Masters Ski Stock

Masters Ski GP

Electric Concept PWC

Junior Ski 13-15 Four Stroke Lites

Junior Ski 13-15 Lites

Junior Ski 10-12 Lites

Junior Ski 10-12 Four Stroke Lites

Junior Ski 10-12 Stock






Four Stroke Ski