AeroSFCity is inviting traceurs to the first Parkour Gym Jam at CrossFit Marin this Saturday, November 21st from 6PM to 10PM. Cost is $15, and well worth it for both gym access and instruction if you want it. Please check out the details at http://www.sfparkour.com/forum/showthread.php?t=3403.
Also, participants can also spend the night at the gym for the Monthly Jam on Sunday!
