Race Discovery
Grizzly Peak Trail Run
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Grizzly Peak Trail Run

Berkeley, California, United States
May 09, 2026
Trail running

About this race

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.)

Ready to test your limits? The Grizzly Peak Trail Run brings a highly anticipated 10K, Half-Marathon, 30K, Marathon, Ultra, 3.2K to Berkeley on May 9, 2026. Expect a fantastic route right in the heart of California.

Pick your distance

Trail running

10K

May 09, 2026 10K 8:30 AM
$80.00
Closed

Half Marathon

May 09, 2026 Half-Marathon 8:00 AM
$90.00
Closed

30K

May 09, 2026 30K 8:00 AM
$95.00
Closed

Marathon

May 09, 2026 Marathon 8:00 AM
$100.00
Closed

50K

May 09, 2026 Ultra 8:00 AM
$110.00
Closed

Running

Coastal Testing

May 09, 2026 3.2K 8:30 AM
Free
Closed

Weather Overview

These values represent the 5-year monthly averages for May in Berkeley.

Temp (°C)
Minimum temperature (monthly average) 10.6° / Maximum temperature (monthly average) 24.5°
Feels Like (°C)
Minimum feels like (with wind chill; monthly average) 10.6° / Maximum feels like (with wind chill; monthly average) 24.5°
Wind (km/h)
Average wind speed (monthly average)
14.9
Precipitation (mm)
Average precipitation (monthly average)
0.0mm

About Berkeley

Grizzly Peak Trail Run takes place in Berkeley, California, United States. The local timezone is America/Los_Angeles.

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Race information has been sourced from the event's official website and other publicly available resources. For the most up-to-date details, please refer to the official website directly. If you notice any incorrect or missing information, don't hesitate to reach out to us by email.

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