Fartlek Workouts to Elevate Your Fitness
By Pete Rea
Increase your fitness level by changing up your running routine with fartleks.
Take on a 5K run with our ultimate Beginner's 5K Training Plan. If you need more tips and advice view some of our many articles below.
Caitlin Chock is a freelance writer, artist and designer who covers all things running.
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