The Beginner's Guide to Sprint Interval Training

An eight-week sprint interval training (SIT) program that newbies can use to reap the benefits of this intense exercise method — or to prepare for taking your first Ultra Fit class.

8 Running Workouts and How to Do Them

Articles Archive, Page 65 of 419

Sprint Workouts, Sprint Workout to Burn Fat

What Is SIT? A Guide to Sprint Interval Training

Sprint Interval Training: How to Burn Fat and Increase Speed

Interval Training Workouts Build Speed and Endurance

25-Minute Treadmill Sprint Workout — Plus How to Design Your Own

Cycling Interval Workout - Professional Bike Training

Fitness Archives, Page 17 of 101

Intervals & Circuit Training Archives

Fitness Archives, Page 17 of 101

Interval training – jog safer and faster - Helsana