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
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)

Events nearby

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A 5K trail race along the Lands End Trail in San Francisco with coastal views, finisher ribbons for all and awards for the top five overall runners.
A map navigation event in Fillmore and Japantown where solo runners or teams of up to five use a 1:7500 custom map to find checkpoints on 5K or 10K courses, then enjoy snacks and socializing at the finish.
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