SBTS Events Calendar

Come and join us! Get these volunteer opportunities on your calendar, and click on the event to see if sign-ups are available.  Go to the event website to volunteer for the Lost & Found, Downieville Classic, and Mountains to Meadows, and see the Trail Daze page for weekly work days on Mount Hough. Also, be sure to sign up for our email newsletter to stay on top of the latest happenings, as these events tend to fill up fast.

Mountain Epics & Festivals

May 15 - May 17 / Early - late! Quincy, CA

Quincy Volunteer Epic – May 15 – May 17, 2026

Join SBTS on Friday, May 15 - Sunday, May 17, 2026, for our fun-filled Epic Weekend in Quincy, where the food and beer...
Jun 12 - Jun 13 / early to late! Portola, CA - The Lost Sierra

Lost and Found Gravel Grinder: June 12 – 13, 2026

40, 58 and 99 mile epically beautiful bike rides. A perfect blend of pavement, dirt road, gravel road and...
Jul 24 - Jul 26 / early to late! Downieville, CA

Downieville Volunteer Epic – July 24-26, 2026

Join SBTS on Friday, July 24, through Sunday, July 26, 2026, for our fun-filled Epic Weekend at Packer Saddle in the...
Aug 6 - Aug 9 / early - late! Downieville, CA

Downieville Classic Mountain Bike Race – August 6-9, 2026

The one, the only, the Downieville Classic Cross Country Race and All Mountain World Championships presented by Santa...
Sep 10 - Sep 13 / early - late! Quincy, CA

Mountains to Meadows Endurofest, featuring Grinduro – September 10-13, 2026

Grinduro returns to Quincy once again! Celebrating the perfect party to race ratio at the ultimate California gravel...

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We promise not to spam you, we just want to pass on the building trails stoke and enjoying the Lost Sierra.