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September 12th,
Mt. Shasta

The unique format of Grinduro combines the best elements of a mountain bike enduro with a gravel grinder-style road race. Festivities include two days of excellent food, a handmade bike show, an art exhibit, live music, camping, and more!

For 2020, Grinduro California is headed to an incredible new location… At the top of California lies the town of Mt. Shasta—a place uniquely touched by all four seasons and watched over by a legendary 14,179’ snow-capped mountain. Trust us that Mt. Shasta is going to make for a very special Grinduro.

The event is hosted by Evil Bicycles and supported by Giro Sport Design, SRAM, Maxxis, CyclingTips .

SOLD OUT! Register

Missed Out?

If you missed out on claiming a spot at Grinduro CA, don't fret! Just add your name to the waitlist, and if a spot opens up, we'll contact you.


GRINDURO CA WAITLIST! Register

COVID-19 Update:

We are working especially hard to plan an amazing Grinduro CA. Of course, we are keeping a close eye on the situation and will follow all necessary health guidelines. Participants should feel confident registering for Grinduro CA on May 12th because we are offering full refunds (minus all processing fees and donations) or registration deferrals in the event of cancellation due to COVID-19.