I did 2.5 miles each way, mixture of up and downhill for school. As a late teen I cycled 10-15 miles each way up a massive hill, 2/3 times a week for amateur th

I did 2.5 miles each way, mixture of up and downhill for school. As a late teen I cycled 10-15 miles each way up a massive hill, 2/3 times a week for amateur theatre rehearsals, on top of the walk to school/work. It was great for me. Despite eating rubbish I was in fantastic shape.