Van Ness Gym With Sauna Until 11pm: 24 Hour Fitness
Mission Gym With Sauna and 50-Foot Walls: Mission Cliffs
Dogpatch Gym With Sauna Open Till 11pm: Dogpatch Boulders
Gym With Sauna Since 1977: Bay Club San Francisco
Castro Gym With Sauna: $35 Day Pass at Fitness SF
Rowing Studio in Transbay: Evening Ergs Without the Rush
Rowing Studio by Embarcadero: Weekday Ergs Before Work
Rowing Studio in SoMa: Early Ergs Without the Rush
Rowing Studio in Fillmore: Weekend Ergs and Pool Recovery
SF Strength Conditioning Gym for Runners: Two Lifts a Week
SF Strength Conditioning Gym Comeback After Months Off
SF Strength Conditioning Gym After Work: Beat the 6 PM Rush
SF Strength Conditioning Gym for Bike Commuters: Lock Up
SF Strength Conditioning Gym and Hill Sprints Each Week
Rowing Studio in Castro: Market Street Cardio Views
Ask Karpo for more information.