22AUG Aug 22 Written By Cronus Fit W1D4Hill RepeatsTry and find a 300-400m hill. For 30min, sprint up and casually jog down and just keep moving. Cronus Fit
22AUG Aug 22 Written By Cronus Fit W1D4Hill RepeatsTry and find a 300-400m hill. For 30min, sprint up and casually jog down and just keep moving. Cronus Fit