Grizzly Peak Trail Run (Postponed until
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.
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.).
In the organizer's words, from the race's own listing.
Race details
Date
Saturday, May 8
2027 · in 182 days
Start time
7:50 AM
Earliest wave
Course
Trail
Dirt or single-track on at least part of the course
Distances
2 miles10KHalf marathon30KMarathon50K
Price
$60 to $90
Plus the platform's processing fee
10K goes up after Sun May 2 (in 176 days)
Registration
Open
Online signup closes Sat May 8 (in 182 days)
Opened Aug 5, 2026
Race day in Berkeley
Weather
69° / 49°F
Typical high and low for May 8, with a 14% chance of rain.
NOAA 1991–2020 climate normals, Berkeley, CA (2 mi away). Averages, not a forecast; a forecast appears here a week out.
Daylight
6:06 AM – 8:04 PM
Sunrise and sunset on Saturday.
Calculated for the race location.
Plan your trip
For the night before, Fri May 7
Where to stay
See all places to stay near Berkeley, CA ↗
Prices checked November 4, 2026 and can change. Confirm on the booking site before you book. We may earn a commission at no cost to you.
Getting there
- OAKOakland San Francisco Bay Airport13 miFlights arriving May 7 into OAK ↗
- SFOSan Francisco International Airport21 miFlights arriving May 7 into SFO ↗
- SJCMineta San Jose International Airport42 miFlights arriving May 7 into SJC ↗
Prices checked November 4, 2026 and can change. Confirm on the booking site before you book. We may earn a commission at no cost to you.
Airports from OurAirports, straight-line distance. Flights open on Google Flights.
Trip cost
Add what you'll actually pay. It stays in this browser.
Total $0
Race entry starts at the lowest listed price, before the platform's fee.