Sierra Buttes Trail Stewardship
Share
M2M
Endurofest good times!
The good times of Grinduro were reestablished with the perfect party to race ratio at the most socially fun California gravel race. September 10-13, 2026
The high speed and flowy Mt. Hough Enduro and eMTB Enduro races on Sunday.
Festivities include two days of excellent food, a handmade bike show, live music and camping.
Local Sponsorship Levels:
$50 - Trailhead
-Logo in Rider Guide
$100 - Singletrack
-2 VIP Party Passes
+ Trailhead Perks
$250 - Ridgeline
-10x10 Expo Space
-1⁄4 Page design in Rider Guide
+ Singletrack Perks
$500 - Summit
-Timed Segment Sponsor Have
your business name on course!
-Swag Bag + Ridgeline Perks
Organized by Sierra Buttes Trail Stewardship
501(c)(3) Public Charity · EIN 72-1579038
[email protected]