With roots in military training, high-endurance ski mountaineering is finally catching on in the United States

Ski mountaineering will become the first Winter Olympic sport to make a debut since 2002. Here's how to watch it.

Skimo sounds like it could be the costumed mascot for the Milan Cortina Olympics, but it’s actually a new ski discipline making its debut as the first new sport in the Winter Games since

The newest Olympic sport goes by the name “skimo,” which is short for ski mountaineering. The premise is simple — race up the slope and back down as fast as possible. U.S. Olympic qualifier Cameron Smith shows how it works. (AP video by Brittany Peterson)

A new Olympic sport, ski mountaineering will make its debut at the Milan Cortina Winter Games this week. Here's how it works.

Ski mountaineering will make its Olympic debut this year, the first winter sport to do so since 2002. Skeleton, luge, ski jumping and moguls are also getting new events.