Critical Mass San Francisco

Better together

Nadine from San Francisco

About me Some of my most vivid memories are quintessentially San Franciscan. Learning how to roller-skate down the Hayes Street hill, and eventually learning how to brake. My first fight with Mom was because she wouldn't let me see the Sex Pistols at Winterland. Getting to the public library by navigating my way through a sea of Dead Heads in front of what's now the Bill Graham Auditorium. N...
""Critical Mass" San Francisco is lots of fun and serious for some. Everyone is invited! No one is in charge! Body paint, optional."

The days are shorter and a little cooler. An extra sweater or layer is always a good thing to have whether it's foggy or clear. Reflective gear can help keep you safe!

The Critical Mass ride is lots of fun and serious for some. Some use it as a protest against road dangers to cyclists. Others use it as a great way to meet other bike lovers in the city of all ages.

Remember, the ride route is posted on the website every month. You can avoid the traffic jam if you're in a car or enjoy the site and take a few pictures. A little patience, and planning, goes a long way.

On the last Friday of the month, the ride starts in at Justin Herman Plaza at the base of Market Street.

As they say on their site: Everyone is invited! No one is in charge!

Even if you don't have a bike, you can grab one at one of the many popular bike share stations around the city for a small fee.

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San Francisco Spotter Nadine

About me Some of my most vivid memories are quintessentially San Franciscan. Learning how to roller-skate down the Hayes Street hill, and eventually learning how to brake. My first fight with Mom was because she wouldn't let me see the Sex Pistols at Winterland. Getting to the public library by navigating my way through a sea of Dead Heads in front of what's now the Bill Graham Auditorium. Nearly falling off the Golden Gate Bridge while biking across too fast on a very wet and foggy morning. My city has a both a buzz and a hum. That's me too. A little intensity is great when...

About this spot

Justin Herman Plaza

US$

free

Dec 13, 2025

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