S Sam New member Sep 6, 2009 #1 Im 13 and i have been biking 12- to 20 miles a day for the past week(with some very big hills). If i keep biking this much for each day for a few more weeks( about maybe 2 or 3 weeks) how many calories will i burn? p.s. im 130lbs and im 5ft 7
Im 13 and i have been biking 12- to 20 miles a day for the past week(with some very big hills). If i keep biking this much for each day for a few more weeks( about maybe 2 or 3 weeks) how many calories will i burn? p.s. im 130lbs and im 5ft 7