86 • 5K Races in San Francisco, CA

Join us for either a fast, downhill 1 mile race or a scenie 5K loop or both! Check-in for the 1 mile race is at John F. Kennedy Drive & 36th Avenue. Runners will walk/jog uphill to the start of...

NOTE: Pre-registration for the kids race is now closed. Children may sign up on race morning, though shirts and medals are not guaranteed.  Race morning registration closes at 9 promptly. Explore...

Rising up from the depths of Lake Chabot, the Bad Bass (a strangely kilt-wearing, bagpipe-playing Scottish bass with teeth) shows itself once again on July 18th 2026! Why is he Scottish? What is...

 What makes this such a popular race? Is it the refreshing cool breezes?  The flat course?  The race shirt?  The finisher medal? The custom age group medals?  It's probably the incredible Brazen...

All Bear Creek Race info (including registration links) here: https://brazenracing.com/bearcreek/   5K, 10K and half marathon in Briones Regional Park, Lafayette, California.

Half marathon, 10K and 5K on the trails at Las Trampas Wilderness!