Grizzly Peak Trail Run
Updated
Saturday, May 8, 2027, first start 7:50 AM, in Berkeley (Lake Anza - Tilden Regional Park). Distances: 2 miles, 10K, Half marathon, 30K, Marathon, 50K. Entry from $60 to $90; the 10K goes from $60 to $70 after May 2.
- Date
- Saturday, May 8, 2027
- Start time
- 7:50 AM (earliest wave)
- Location
- Lake Anza - Tilden Regional Park, Berkeley, CA 94708
- Area
- East Bay, SF Bay Area
- Distances
- 2 miles10KHalf marathon30KMarathon50K
- Course
- Trail (dirt or single-track on at least part of the course)
- Price
- $60 to $90 plus the platform's processing fee
- Next price increase
- Sunday, May 2, 2027: 10K $60 → $70
- Registration
- Open. Opened August 5, online signup closes Saturday, May 8, 2027
How to register
Registration is on RunSignup. Pick your distance, add any extras, and you'll get a confirmation email with your bib details. Sign up by May 2 to pay $60 instead of $70.
Course and race notes
Start at Lake Anza and travel through popular Tilden Regional Park in the Berkeley hills. (Distances are accurately measured using a Rolatape® surveyor's measuring wheel.).
From the race's own listing. Check the race website for the course map and parking.
Source: RunSignup public race API, refreshed 2026-10-17. Details can change; the registration page is the final word.