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.
Interval Training: How to progress in running as a beginner
5 Running Interval Workouts to Build Fitness & Speed Quickly
The Beginner's Guide to Sprint Interval Training
Learn About Interval Training and Exercise Examples
HIIT Workouts for Beginner Running Routines
HIIT: What It Is, Health Benefits, and Getting Started
Guide to Sprinting: Benefits, Types, and Workouts
Interval training – jog safer and faster - Helsana
Sprint Interval Training: Benefits and Sample Workout