Grizzly 100 & MTB Gran Fondo
Join us for this year's Grizzly 100 & MTB Gran Fondo happening September 13th, 2025. Learn how to get 20% off registration!
The Big Bear Gran Fondo and Grizzly 100/75 are mountain bike rides offering four different routes to fit all levels of riders. With the National Forest closures in place, this year's routing has been modified. Keep reading for full info.
The Event
Saturday, September 13th, 2025 at the Snow Summit. The 100K race is a NUE Epic Series Final and the 75K is a NUE Marathon Series Final.
- 7:00 AM - 100K start time
- 7:05 AM - 75K start time
- 7:45 AM - 50K start time
- 8:15 AM - 30K start time
The Routes
All four routes - Gran Fondo 30K and 50K, and Grizzly 100K and 75K - will take place at Snow Summit where riders will make laps on a scenic, forested single-track with steady climbs and descents.
- 100K - 8 laps
- 75K - 6 laps
- 50K - 4 laps
- 30K - 2 laps
Event Details
Event Contact Info
Questions?
Call 909-866-8000
