Dirt Circus - San Francisco

Dirt Circus - San Francisco

Come Run, Come All to Dirt Circus San Francisco! The Dirt Circus is a series of free community events organized by UltraSignup to celebrate local races, and race directors. We are bringing together the local running community to share everything we love about trail running.

The one-day festival will highlight local races, run clubs, brands, and other local businesses. The event includes a social run, food, a raffle with tons of prizes, camaraderie, and so much more. Come and join us under the big top!

Event Details

Date: June 15, 2025

Start Time: 7:00 AM

Location: 247 Shoreline Hwy, Mill Valley, CA 94941

Event Schedule

• 7:00 AM: Group Run check-in at San Francisco Running Company.
• 8:00 AM: Group run starts!
• 8:30-9:00 AM: Return from the group run to SF Run Co for pancake breakfast and RD expo.
• 10:00 AM: Raffle prize giveaway!

All participants receive an UltraSignup branded swag bag with various goodies and can enjoy a casual run of 3.2 or 4.5 miles. Costumes are encouraged!

Don’t miss out on the San Francisco edition of the Dirt Circus! Preorder your exclusive T-shirt by June 1, 2025. Explore various vendors, learn about local races, and enjoy this vibrant community celebration.