Grizzly Peak Trail Run

MAY

9

2026

Experience the scenery of Tilden Regional Park at the Grizzly Peak Trail Run. Choose from various distances including a 50K and marathon starting from the shores of Lake Anza in Berkeley.

Sat 9 May 2026

Berkeley, California

Registration

50 kilometers 26 miles 30 kilometers 13 miles 10 kilometers

Always double-check with the organizer's website! This page may contain affiliate links.

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.

50 km

50k

26 mi

Marathon

30 km

30k

13 mi

Half Marathon

10 km

10k

Coastal Testing

Kid's Run (6yo & Younger, 50yd Dash)