With the 2018 Rimrock Grand Prix in the books, we want to thank everyone for coming - it was really great to see you again this year. We look forward to the 40th running of the Rimrock next year.
The 2018 race results are posted below.
For the NMA Off-Road series race rules and a complete discussion of the race classes go to NMA Rules.
Display your correct class designating letter on all three motorcycle number plates.
Please read the Rimrock FAQ.
Important - Should any motorized user at any time take their vehicle in or through Tieton River or Indian Creek, they will be subject to a fine in the thousands of $$ and such activity will likely result in the loss of our event permit. As a community of motorized users, we must police our own!