The current mania for high-intensity interval training has some runners wondering if they’re wasting their time “jogging.”
Read the full article at Is High-Intensity Interval Training Really A Hit For Runners? on Competitor Running.
The current mania for high-intensity interval training has some runners wondering if they’re wasting their time “jogging.”
Read the full article at Is High-Intensity Interval Training Really A Hit For Runners? on Competitor Running.