Flex your muscles to help fire victims in need—and still get a workout in.

#Firerelief: Workouts to Support North Bay Fire Efforts

On Saturday morning at 9am, head over to MNTSTUDIO(766 Brannan St., SoMa) for a 50-minute Pilates bootcamp fundraiser taught by studio director and Napa native Carlie Long. Your donation ($20 suggested) will be gifted entirely to the Napa Valley Community Foundation. Sign up at mntstudio.co, and also bring stuff for the clothing drive! // Barry's Bootcamp has set up a GoFundMe campaign, called United We Sprint. They are asking the Barry's fit fam to contribute whatever they can to support fire evacuees. Help them hit their $10K goal at gofundme.com/unitedwesprint. // SoulCycle Castro is hosting a ride to support the Sonoma SPCA at 1pm next Saturday, Oct 21. Instructor Chris will be leading a signature class, and all donations will go to support sheltering and feeding strays and temporarily homeless pets, as well as veterinary care for those who have been burned by the fires. .A $32 donation is suggested, but any donation amount is welcome. RSVP at Eventbrite.

[*UPDATE: As of 10.12, Virgin Sport's event has been cancelled.*]

Virgin Sport Half Marathon and Fitness Fair

Rumors that Virgin Sport would postpone its inaugural, weekend-long Festival of Fitness—scheduled for this Saturday and Sunday—due to poor air quality in the city seem, for now, to be untrue. Passes are still available for event, which includes a half marathon, Twin Peaks one-mile challenge, and the Go Fit Yourself fair at Civic Center Plaza with top Bay Area instructors. // ClassPass stage classes are free, passes start at $29 for the Twin Peaks Mile. Info and tickets available at us.virginsport.com.

SoCal Styling

West Hollywood–based Benjamin Salon is popping up every eight weeks at a different Bay Area salon. On Sunday, book one of their styling and coloring services (cuts start at $115) with eco-chic products at James Colgan in Union Square. Appointments can be made by emailing popup@benjaminsalon.com. // 166 Geary St #1600 (Union Square), jamescolgansf.com, benjaminsalon.com