SAN FRANCISCO (CBS SF) - At least a dozen mayors are expected to join thousands of Bay Area cyclists pumping the pedals to work Thursday.
The event's roots date back to the 1950s, when the League of American Bicyclists decided to promote cycling as a form of transportation. Local organizers are declaring Thursday as the official 20th anniversary of the bike-to-work event.
Energizer stations are set up in several locations throughout the Bay Area, offering free food and coffee. Plan your fuel-up using these regional maps:
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