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..

Dirt Circus - San Franscisco

Name: Dirt Circus - San Franscisco
Start: 2025-06-15
End: 2025-06-15
Location: SoMa

SoMa, United States • 15 Jun 2025

Dirt Circus - San Francisco is a vibrant community running event scheduled for June 15, 2025. Organized by UltraSignup, this festival celebrates local races and the running community. Participants can enjoy a casual group run, followed by a pancake breakfast and an expo featuring local race directors, running clubs, and brands. The event includes a raffle with exciting prizes and opportunities to connect with fellow runners and local businesses. With a focus on camaraderie and fun, Dirt Circus aims to highlight the spirit of trail running and foster connections within the community. Visit the organization's website for the most recent information.

United States California SoMa

Race information

Website Registration

4 mi

4.5 Mile

5 km

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

Trail runs nearby

Saturday Mar 8

Marin Ultra Challenge

Sausalito - 6 mi from SoMa

50 km

50 mi

The Marin Ultra Challenge is a premier long-distance trail race held in Marin County, featuring a 50-mile and a 50K course. Scheduled for March 8, 2025, the event showcases some of the most scenic trails in the region, including the Marin Headlands, Mt. Tamalpais, and Muir Woods.Participants can exp..

Sunday Mar 9

Zoom Angel Island

Belvedere Tiburon - 7 mi from SoMa

Zoom Angel Island is a running event taking place on Angel Island, California, featuring multiple race distances: 5 miles, 10 miles, and 15 miles, along with a free Kid's Run for children aged 6 and younger. The event offers scenic trails with stunning views of Marin County and San Francisco. Partic..

Fri - Mon Mar 14-17

The Rattlesnake Ramble

Santa Venetia - 16 mi from SoMa

The Rattlesnake Ramble is a running event featuring a 5K, 10K, and Half Marathon, available in both live and virtual formats. Scheduled for March 14-17, 2025, the event takes place at China Camp State Park in Santa Venetia, California. Participants can choose from various trail courses, each offerin..

Sat - Sun Mar 22-23

The Big Alta

Lucas Valley-Marinwood - 19 mi from SoMa

28 km

50 km

The Big Alta is an exciting trail running event taking place in Marin County, California, organized by Freetrail and Daybreak Racing. Participants can choose between two challenging distances: a 50K and a 28K, both featuring scenic single-loop courses that showcase breathtaking views of the San Fran..

Saturday Mar 22

Redwood (Spring) Trail Run

Oakland - 7 mi from SoMa

...

The Redwood (Spring) Trail Run is an exciting running event taking place in Oakland, California, featuring a variety of race distances including a Half Marathon, 5-mile, 30K, Marathon, and 50K, along with youth categories and a free Kid's Run. Set against the stunning backdrop of Redwood Regional Pa..

Saturday Mar 29

Western Pacific

Fremont - 28 mi from SoMa

5 km

10 km

13 mi

The Western Pacific 2025 is a running event featuring a Half Marathon, 10K, and 5K, taking place at the Quarry Lakes Regional Recreation Area in Fremont, California. This scenic course, historically used for transporting gravel in the 1800s, offers a mostly flat terrain ideal for runners of all leve..