Crusher Cup #4 – Lake Sonoma
NorCal Crusher Cup
Jul 27, 2025
Geyserville, CA
Mountain Bike
About
Conquer dynamic trails at Lake Sonoma’s thrilling XC challenge!
Experience the excitement of Crusher Cup #4 at Lake Sonoma on July 27, 2025—a fresh and dynamic cross-country mountain biking race as part of an engaging 5-race series in Northern California. Designed for all skill levels, the event offers ever-changing courses, a vibrant community atmosphere, and supports local trail stewardship.
COURSE DETAILS
The course features a new layout distinct from earlier events, combining technical singletrack with fire roads. Designed to keep riders engaged with fresh challenges and elevation changes throughout.
Race HIGHLIGHTS
- Dynamic, ever-changing course layout distinct from prior races
- Suitable for all skill levels and ages (including juniors)
- Community-oriented atmosphere supporting local trail advocacy
- Part of a popular summer XC race series in NorCal
RIDE TYPES

Race overview
Exact length TBA (course details subject to change; varies from Race #1)
Elevation of city: ~120m (400ft); Elevation gain: TBA (unique to 2025 course)
Varied terrain with technical singletrack, fire roads, and rolling hills—expect a mix of challenging climbs and fast descents.