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San Francisco Critical Mass (Last Friday of the Month)

Every Last Friday
Friday, January 30, 2026 - 6:00 pm to 9:00 pm | Cost: FREE
Embarcadero Plaza | 1 Market Street, San Francisco, CA
San Francisco

Free / Learn More

San Francisco Critical Mass (Last Friday of the Month)

SF Critical Mass

Critical Mass is a mass bicycle ride that takes place on the last Friday of each month in San Francisco. Meet and 6pm, ride at 6:30 pm from Embarcadero Plaza (foot of Market Street) and in cities around the world. Everyone is invited. No one is in charge. Bring your bike.

Please Note: Critical Mass tends to practice extreme bike power by taking to the streets and riding in the car lanes causing endless annoyance to motorists.

In San Francisco especially, this event can get HUGE. Consider this is fair warning to stay away from driving in the downtown SF area on the last Friday of every month.

Upcoming San Francisco Critical Mass (Last Friday of the Month) Events

Disclaimer: Please double check event information with the event organizer as events can be canceled, details can change after they are added to our calendar, and errors do occur.


Cost: FREE
Categories: *Top Pick*, Bike It, In Person, San Francisco, Walks & Tours
Address: 1 Market Street, San Francisco, CA

Other Events on This Day

Friday, January 30, 2026

9:00 am   Japanese Tea Garden’s Free Admission Hour (Golden Gate Park)  FREE*
*Free from 9-10am on Monday, Wednesday and Friday; otherwise non-resident admission is $12 - $16 depending on the season. San Francisco residents are always free with valid ID
10:00 am   2026 White Elephant Sale in 90,000+ Sq Ft. Warehouse (Jan. 25 – Feb. 21)  $7
11:00 am   “Pay-What-You-Can” Taco Day at SF’s Tato (Every Friday)  FREE*
*Every Friday pay anywhere from $0 up to $10. When a customer pays the full price of $10, TATO will give a free meal to someone in need in The City. Please note promotion might end at any time
5:00 pm   $1 Drink Fridays: “Battle of the Decades” DJ Party (North Beach)  FREE*
*Free admission with RSVP on Eventbrite
7:00 pm   SF’s HellaSecret “Crazy Funny Asians” Friday Night Comedy Showcase (7p + 9p)  FREE*
*Free tickets, but RSVP Required. Donations ($5-$10) greatly appreciated. Otherwise, $15 adv / $20 door tickets also available
7:00 pm   “Rush Hour Comedy Night” w/ SFs Best Black & Asian Comedians (The Function)  FREE*
*RSVP Required
8:00 pm   “The Stoner Comedy Jam” Friday Nights (SF)  FREE*
*Free with RSVP (21+ with Valid ID) - One item minimum purchase per person required
8:00 pm   $5 Off: “The Confessional” SF’s Wild “Sins & Secrets” Improv Comedy Show  $11.94*
*$5 off with secret code FUNCHEAP (normally $17.12) No added ticketing fees. No Drink Minimum
9:00 pm   $5 Off: “Your Fucked Up Relationship” Live in SF (Every Friday & Saturday)  $16.37*
*$5 off with secret code FUNCHEAP (normally $21.49) No added ticketing fees. No Drink Minimum
9:00 pm   SF Neo-Futurists “The Infinite Wrench” (30 Plays in 60 Minutes, every Fri & Sat)  $18.60*
*$13 + roll of a die at the door, OR $16 online. Group discounts—bring friends!
10:15 pm   $5 Off: “The Ritual” Comedy Show in The Mission (SF)  $12.16*
*FUNCHEAP discount code for $5 off
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