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San Francisco Critical Mass

Every Last Friday
Friday, May 30, 2025 - 5:30 pm | Cost: FREE
Embarcadero Plaza | 1 Market Street, San Francisco, CA

Free / Learn More

San Francisco Critical Mass

Critical Mass is a mass bicycle ride that takes place on the last Friday of each month in San Francisco starting at 5:30 pm at Justin Herman 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.

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: Bike It, San Francisco, Walks & Tours
Address: 1 Market Street, San Francisco, CA

Friday, May 30, 2025

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   Thrive City “Little Bears” Outdoor Free Music Class for Kids (Every Friday)  FREE
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
4:00 pm   “Off the Grid” Fort Mason: Monthly Friday Night Market w/ 110+ Vendors (May 2025)  FREE*
*Free to attend, but food/drink for purchase
4:30 pm   Free Friday Happy Hour Outdoor Concert w/ Erik Jekabson  FREE
5:00 pm   $1 Drink Fridays: “Battle of the Decades” DJ Party (North Beach)  FREE*
*Free admission with RSVP on Eventbrite
6:30 pm   Handmade Gnocchi & Pesto Tasting Experience  FREE
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   Laugh GPT: SF’s First AI-Powered Stand-up Comedy Show (2025)  FREE*
*Use secret code HUMAN for comp tickets, otherwise, $10 off with secret code FUNCHEAP
7:00 pm   FREE: Oakland’s HellaSecret Comedy & Cocktail Night 2024 (7p + 9p Shows)  FREE*
*Limited free tickets with code FUNCHEAP (donations appreciated). Otherwise use code FUNCHEAP5 for $5 off early bird and general admission tickets
7:00 pm   Free “Rush Hour Comedy Night” Friday Night (San Francisco)  FREE*
*RSVP Required
7:00 pm   San Francisco POC Comedy Night (Fridays & Saturdays)  FREE*
*Use secret code FUNCHEAP for comp tickets, otherwise, $10 off with secret code FUNCHEAP
7:30 pm   Beerkeley Community Chorus & Orchestra Spring 2025 Concert  FREE
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
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
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
10:00 pm   Röyksopp at The Regency Ballroom  $60.38
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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