Grizzly Peak Trail Run
Berkeley, United States • 9 May 2026
Grizzly Peak Trail Run
The Grizzly Peak Trail Run takes place in Berkeley, California, within the Tilden Regional Park. Participants navigate courses that begin at Lake Anza and travel through the park located in the Berkeley hills. All race distances are measured using a Rolatape surveyor's measuring wheel to ensure accuracy.
The event offers a variety of trail race distances to accommodate different preferences:
- 50K
- Marathon (26.2 Miles)
- 30K
- Half Marathon (13.1 Miles)
- 10K
- 2 Miles
- 50 Yards (Kid's Run for ages 6 and younger)
The registration process remains open until early May for the primary trail distances, while the shorter distances allow for later entry. The event utilizes the natural landscape of the regional park, providing a specific trail-running environment in the East Bay area. Visit the organization's website for the most recent information.