Group B - Promotion 150
Group B starter class which uses a V Hull and a 150 HP Outboard
Crew - 2
International single-hull class where the stepped hull is allowed.
Marathon
A Offshore Endurance class which uses a V Hull with various sizes of Engines
Crew - 2 +
International Offshore Pleasure Navigation class where hull are restricted to mono hulls.
Minimum age:
Driver - 18 years,
Navigator - 18 years
Group B - Production 300
Group B class which uses a V Hull and up to 300 HP Outboard
Crew - 2
International single-hull class where the stepped hull is allowed.
RIB Racing
A UIM Class where Rib owners can participate in Competitive activity.
Crew - 2+
Full Details coming soon
Group B - Sport 450
Group B Premier Class which uses a V Hull with engines from 325 to 450 Hp allowed.
Crew - 2
International single-hull class where the stepped hull is allowed.
Group C - Sports
Experimental
A new UIM experimental Class.
Crew - 2
Full Details coming soon