Celebrate 31 days of San Francisco biking! May is Bike Month! In honor of Bike to Work Day on May 11, San Francisco is celebrating with a full month of rides and events! Full Bike Month 2017 Calendar Bike Rides Discover the Bay Area by bicycle! From a ride to the Marin Museum of Bicycling to The Sewer Ride, there are rides for all interests and riding levels. Social Events Celebrate diverse biking cultures and community pride by going to a bike-themed event. Give Back Improve your ride and your city when you volunteer throughout Bike Month and the year. Women Bike SF Women Bike SF is an SF Bicycle Coalition program that supports and encourages women, trans*, femme (WTF) riders in San Francisco. Classes & Workshops Take a workshop to learn the basics of bicycle maintenance or join a class for instructions on riding in the city. Bike Talks Attend a talk to discuss topics from envisioning a carless city, crowd-funding the bike industry, or winning bike lanes.