Articles

Belgian Ultrarunner Karel Sabbe's Record-Breaking Pacific Crest Trail Run Showcased in New YouTube Documentary

Explore Karel Sabbe's record-breaking Pacific Crest Trail run in a riveting documentary. Jour..

Trail Running: How it Can Help Reduce Stress and Anxiety

Trail running is an effective way to reduce stress, anxiety, and improve physical and mental he..

Trail Running vs. Road Running: Which One Is Right For You?

When it comes to running, there are two primary options to choose from: trail running and road..

Grizzly Peak Trail Run

Name: Grizzly Peak Trail Run
Start: 2026-05-09
End: 2026-05-09
Location: Berkeley

Berkeley, United States • 9 May 2026

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.

United States California Berkeley

Race information

Registration

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)

Visit the organization's website for the most recent information.

Trail runs nearby

Saturday May 16

Napa Wilderness Trail Runs

Trail runs at Skyline Wilderness Park in Napa offer distances from 10K to 50K with steep Rim Rock climbs and valley views. Aid is touchless and parking is included with registration.

Saturday May 16

Rim Rock 50 Mile Trail Challenge

Napa

50 mi

An inaugural trail ultramarathon in Napa offering a 50 mile solo and a two-person 50 mile relay over two long loops through Skyline Wilderness Park and Suscol Headwaters, run as a cupless event with four aid stations and limited crew access..

Saturday May 16

Wildcat Half Marathon

A race in El Sobrante on May 16, 2026 offering Half Marathon, 10K and 5K distances plus a remote runner option. Tiered registration fees apply and the event supports the East Bay Regional Parks Campership Program.

Saturday May 23

China Camp Trail Run

Trail races at China Camp State Park in San Rafael feature single-track routes with bay and Mount Tam views. Courses include a climb starting around 1.5 miles and distances from 3.1 to 13 miles.