Want to go sledding? Just jump on a sled and zip down a snowy hill! Whee! Sledding down a hill is fun, but dragging the sled back up is way less fun.
In some parts of the world, people call this sport "sledging" or "tobogganing." While sledding is generally seen as more of a pastime than an actual sport, it's also the basis of Olympic sports like luge and bobsledding. Add some dogs and you have dog sledding. Sledding comes from the verb sled, which meant "transport or travel by sled" before it meant "ride on a sled."