The Biofreeze San Francisco Marathon’s stunning 5K course offers runners the opportunity to conquer an energetic race alongside a range of participants, from experienced athletes to stroller runners. Our 5K runs through miles of waterfront that draw millions of visitors each year. Take in views of the Bay, the Bay Bridge, Treasure Island, Coit Tower, and much more. Runners enjoy San Francisco’s iconic backdrop while earning a spot at the finish line festival in front of the Ferry Building. Our 5K Race invites runners of all levels to experience our fast, flat course and participate in the finish line celebration.