Just 2 days left until the #SFStairChallenge this Saturday. 🏃‍♂️💨

Our mastermind WalkLab volunteers have engineered a stunning route that includes 36 stairs...and one amazing slide. 🛝

Go to walksf.org/stairs now for tickets! 🎟️

#iwalksf #dothebay #totalsf #sanfrancisco #urbanhikesf #secretsf