Grizzly Peak Century

Grizzly Peak Century

The Grizzly Peak Century is a cycling event taking place on Sunday, May 3, 2026, in Moraga, CA. Choose from various distances: 35 miles, 50 miles, 75 miles, 100 miles, 65K (Gravel), and 100K (Gravel). All routes are hilly and offer stunning views.

• 35 miles: (~2,600 ft of climbing) Starts at St. Mary's College and includes the "Three Bears" loop.
• 50 miles: (~4,400 ft of climbing) A shorter version of the 75-mile route.
• 75 miles: (~6,200 ft of climbing) Our most popular route, climbing Grizzly Peak and offering views of the Bay.
• 100 miles: (~9,000 ft of climbing) A challenging route with a south loop and climbs over Grizzly Peak.
• 65K (Gravel): (~3,900 ft of climbing) Explores Redwood, Tilden, and Wildcat Canyon parks.
• 100K (Gravel): (~6,100 ft of climbing) Includes the 65K route plus a loop through Lake Chabot park.

Registration opens November 1, 2025.