2025 SBTS Event 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 and Downieville Classic, 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 2025
Quincy Volunteer Epic – May 15 – May 18, 2025
Join SBTS on Thursday, May 15 - Sunday, May 18, 2025, for our fun-filled Epic Weekend in Quincy, where the food and...
Lost and Found Gravel Grinder: June 12 – 15, 2025
35, 60 and 100 mile epically beautiful bike ride. A perfect blend of pavement, dirt road, gravel road and...
Downieville Volunteer Epic – July 10-13, 2025
Join SBTS on Thursday, July 10, through Sunday, July 13, 2025, for our fun-filled Epic Weekend at Packer Saddle in the...
Downieville Classic Mountain Bike Race – August 7-10, 2025
Save the Date and plan for a weekend of mountain bike festival fun! All Mountain World Championships Cross...
Mountains to Meadows Endurofest, featuring Grinduro – September 11-14, 2025
10 years later, Grinduro returns to Quincy, back where it all started, to celebrate our birthday with the perfect party...
Get the latest SBTS events information, sign up for our newsletter.
We promise not to spam you, we just want to pass on the building trails stoke and enjoying the Lost Sierra.