IJSBA is alerting competitors of the updated class list, by the day, for the 2023 Short Block Technologies WGP-1 World Finals.    Please note that Expert Runabout Limited has been returned to Tuesday, Sport Spec has returned to Wednesday, Amateur Womens' Ski Stock has been added, and the naming error for Womens' Ski GP has been corrected.  The class list for Tuesday and Wednesday should be considered final.  However, please note any believed errors by emailing info@ijsba.com.


            Class List by Days-


Amateur Ski Lites

Master Ski GP

Amateur Runabout Rec Lites

Amateur Ski 4 Stroke Lites

Amateur Vet Ski Stock**

Amateur Runabout 1100 Limited



Novice Ski Stock

Novice Runabout 1100 Stock

Amateur Women Ski Lites

Expert/Pro-Am Veterans Runabout Limited

Master Ski Stock

Ski Mod Lites

Novice Runabout Stock

Amateur Veteran Ski GP

Sport Spec

Amateur Runabout 1100 Stock

Amateur Women Ski Stock


Jr Ski Lites 10/12

Amateur Ski GP\Expert Ski GP

Jr Ski Lites 13/15

Amateur Veteran Ski Lites

Pro Am Runabout Ltd

Runabout Naturally Aspirated

Pro Am Women’s Ski Stock

Pro Am Ski Modified

Amatuer Runabout 1100 Open

Pro Am Ski Stock (moto 1)



Pro Am Runabout 1100 Stock

Pro Am Ski Superstock

Pro Am Runabout Superstock

Jr Ski 4 Stroke Lites 13/15

Pro Runabout 1100 Open

Pro Am Ski Lites

Amateur Freestyle

Vintage SC

Pro AM Sport GP Moto 1 & 2

Pro Am Ski Stock (moto 2 & 3)


Pro Am Runabout Endurance (moto 1)

Pro Am Runabout Stock

Jr Ski Stock 10/12

Pro AM Sport GP Moto 3

Pro Am Ski Stock (moto 1)

Jr Ski Stock 13/15

Pro Ski GP (motos 1 &2)

Vintage ski

Pro Runabout GP (motos 1 & 2)

Amateur Women Runabout 1100 Stock

Pro Freestyle


Women Runabout

Junior Ski 4 Stroke Lites 10/12

Vintage x2

Jr Ski Modified 13/15

Pro Am Ski 4 Stroke Lites

Pro Am Endurance Moto 2

Pro Am Ski Stock (moto 2 & 3)

Pro Ski GP (motos 3 & 4)

Pro Runabout GP (moto 3)

Grand Master Ski Stock**

Pro Freestyle

Pro Am Women Skip GP