There are categories for solos, teams of four, teams of five and corporate teams of up to 10 riders, and you can register right up until the start on Saturday, Sept. 4.
Whistler will also play host to some of the worlds top long-distance mountain bikers, as the town plays host to the World Solo 24 Hours of Adrenalin Championships.
The action will get underway at noon Saturday and wrap up shortly after noon on Sunday.
The general course is just over 12 kilometres, and includes trails around Lost Lake and Blackcomb Mountain, and the solo course will include an additional 2 km loop.
For more information or registration, visit www.24hoursofadrenalin.com.