Coota0 said:Does Fartlek refers to a hill or a running style or a hill on which the running style is practiced?
Fartlek refers to a type of run where you stop every so often to do calisthenics and other exercises.
E.g. Run 400m, do 20 situps, 400m, 10 pullups, and so on for 3 miles. We did these 3-4 times a week.