Contributed by Stephanie Laska, M.Ed. Stephanie is a 2017 Ambassador for the Biofreeze Berkeley Half Marathon.
What is the San Francisco - Berkeley Challenge you ask?
We challenge you to consecutively run any distance of The Biofreeze San Francisco Marathon and any distance of The Biofreeze Berkeley Half Marathon and earn ...
Race the Bay and earn your SF/Berkeley Challenge medal by experiencing the Bay Area's most fun and beautiful community races.