Gym Jones disciple Carolyn Parker puts the Lab Rat through the most hellacious new workout on earth.
The Lab Rat video
The Lab Rat gets punished.A Gym Jones Inspired Workout
A revolutionary—and brutish—new fitness regimen.
New perk: Easily find new routes and hidden gems, upcoming running events, and more near you. Your weekly Local Running Newsletter has everything you need to lace up! .
The Lab Rat gets punished.