Rest long enough between sprints so you can go as fast in the next rep as you did in the last. But don't take so long that you stiffen up. One minute of rest for 10 seconds of sprinting is a good rule of thumb.
Credit: John Kelly / Getty Images
Powered By ZergNet
Action-Packed Summer Trips
Race Dune Buggies, Explore Italy, Bike Yellowstone
Plus: Fighting Poachers and Oil Companies in Congo
ON NEWSSTANDS NOW
Nick Offerman's Life Advice
Sign up to receive the Men’s Journal newsletter and special offers from MJ and its marketing partners.