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Group Description

What is Critical Mass?
Critical Mass is a bike ride typically held on the last Friday of every month in cities around the world where bicyclists and, less frequently, skateboarders, roller bladers, roller skaters and other self-propelled commuters take to the streets en masse.
- Wikipedia

How do I get involved?
Seattle Critical Mass starts the last Friday of every month at Westlake Center around 6pm. Bring your bike, your friends, and your camera (this is Flickr right?).

Other Seattle biking resources
Seattle Dept. of Transportation Bike Program
Cascade Bicycle Club
Seattle Bike Touring Club

Share photos, plan gatherings. Ride your bike.

Additional Info

  • Accepted content types: Photos, Videos, Images, Art, Screenshots
  • Accepted safety levels: Safe
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