Nordic skiing has long been hailed as an exceptional full-body workout, exercising arms, legs, lungs, and cardiovascular systems while keeping impact to a minimum. The problem, of course, is that ...

The bindings are the same. The boots are the same. The only difference is clipping into wheeled skis rather than waxed ones. Oh, and a bicycle helmet rather than a skiing helmet. Each summer, along ...

The sport of roller skiing has long been plagued with concerns. The wheels of the skis roll differently, which can cause the individual's speed to vary considerably, and as such, the finish times can ...