are you looking to jog or box? cause unless you need to cut fat, 4 miles a day is a waste o your time...try interval running, some sprints and agility work, then box for cardio...
are you looking to jog or box? cause unless you need to cut fat, 4 miles a day is a waste o your time...try interval running, some sprints and agility work, then box for cardio...
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