New San Francisco Critical Mass Blog

San Francisco Critical Mass

Chris Carlsson and Hugh D’Andrade recently launched, a new blog documenting the history of San Francisco’s Critical Mass bike ride that happens on the last Friday of each month. Starting in 1992, San Francisco Critical Mass was the first Critical Mass bike event, spawning hundreds of Critical Mass rides around the world. Check out the SF Critical Mass FAQ for more info on the event.

What is Critical Mass?

Critical Mass is a mass bicycle ride that takes place on the last Friday of each month in cities around the world. Everyone is invited! No one is in charge! Bring your bike!

You can also follow San Francisco Critical Mass on Twitter: sfcriticalmass

Halloween Critical Mass in San Francisco 2009

photo by Steve Rhodes

Their most recent post documents last Friday’s October Halloween Critical Mass. Here are more photos of the Halloween ride by Steve Rhodes.

Scott Beale
Scott Beale

Scott Beale is the founder of Laughing Squid and is based in New York City. When not running the blog, Scott can be found posting on Threads and sharing photos on Instagram.