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2017 Mammoth Motocross
Celebrating 50 Years

We can't wait for everyone to join us June 16-25, 2017 for our 50th Annual Mammoth Motocross.

Registration for qualified racers has now closed and racers had until May 9th to claim or forfeit their entry.
Registration for non-qualified racers opens May 11, 2017
8am for all Vet Racers
12 noon for the Mini Championship Event
2pm for the Championship weekend for all other classes.

Good luck all and see you at the races.

2017 RTM has completed for this year.

Click below to Register for Mammoth

Register Here


Granddaddy of Them All Turns 50

Every summer since 1968, racers have flocked to Mammoth Lakes for this classic event – the oldest continuous running motocross in the USA. The track has changed a little over the years, but the fun hasn’t. 

Many of the top racers in the world have honed their skills at this event. There have been some epic battles over the years and many racers have made a name for themselves on this track.

Riders like Ricky Carmichael, Jeremy McGrath, Rick Johnson, Johnny O'Mara, Broc Glover, Donny Schmitt, Steve Lamson, Gary Jones, Kevin Windham, David Bailey, Jeff Ward, Ron Lechien, Bob Hannah, James Stewart, Mike Bell, Donny Hansen, Ryan Dungey, Ryan Villopoto, Eli Tomac and many more have raced Mammoth and moved on to giant success. 

It also become one of the major amateur events in the country as well. You can see the factory riders of tomorrow racing in the mini classes at Mammoth today.