Treadmill Sprint Interval Workout That Doesn't Suck

Treadmill Sprint Interval Workout That Doesn't Suck

Treadmills get a bad rap, but they have a lot of benefits including protection from the elements, a safe place to run early in the morning and late at night and most of all, they provide an easy way to control time and speed. Treadmills are perfect for speed interval training. Try this treadmill sprint interval workout that doesn't suck.