Grizzly Peak Trail Run

MAY
8
2027
Trail races from 50 yards to 50K around Lake Anza in Tilden Regional Park, Berkeley on May 8, 2027, with courses measured by a Rolatape wheel.
Sat 8 May 2027
50 kilometers 26 miles 30 kilometers 13 miles 10 kilometers

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

About the race

The Grizzly Peak Trail Run takes place on May 8, 2027, at Lake Anza in Tilden Regional Park in the Berkeley hills. The course starts at Lake Anza and travels through Tilden Regional Park.

Distances for the event are measured with a Rolatape surveyor's measuring wheel and include:

  • 50 Yards (children 6 years and younger)
  • 2 Miles (Coastal Testing)
  • 10K
  • 13.1 Miles (Half Marathon)
  • 30K
  • 26.2 Miles (Marathon)
  • 50K

Registration opens August 5, 2026. Most race registrations close May 2, 2027; the Kid's Run and Coastal Testing registrations close May 8, 2027. Entry fees are listed per distance: 10K $60, Half Marathon $70, 30K $75, Marathon $80, 50K $90; the Kid's Run and Coastal Testing have no fee. 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

Events nearby

A limited-field island race on August 29, 2026 featuring a scenic half marathon and 10K circling Angel Island with ferry access and medals for half finishers.
A community run, hike and walk in San Anselmo on August 29, 2026 covering 4.75 miles up and down Bald Hill with a finish party at Imagination Park.
A waterfront 5K through Crissy Field and Fort Point Promenade in San Francisco on August 30, 2026, with live and virtual entry options and advance registration required.
Monthly Richmond meetups offering a community hike plus an optional trail-run option, organized by FIERCE Advocates with Moving Forward and Richmond Run Club.
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