From core strength to full-body endurance, this winter sport works muscles you didn’t even know existed.

Choose classic for steady endurance or skate for high-energy intervals.

Many health and fitness professionals consider cross-country or nordic skiing as the single best aerobic workout. Cross-country skiing burns more calories per hour than virtually any other sport, yet ...

Instructors and students broke a sweat at Nrthrn Strong, a new cross-country-skiing-inspired workout studio in the Flatiron ...

"It's a total body workout, but it's not like being on a treadmill," said Elias Farah, a UB psychology and history major, who signed up for the ski class. "When I go to the gym, I'm tired when I ...

You might never strap on skis, but you should still aspire to have the endurance of a Nordic skier. Some of the fittest athletes on the planet, cross-country skiers have extraordinary cardiovascular ...

Mark and Mary Peterburs of Keene, both still athletic at age 70, used to ride fat bikes in the snow near their home in ...

Mark and Mary Peterburs of Keene, both still athletic at age 70, used to ride fat bikes in the snow near their home in Fairbanks, Alaska. At 45, they fell in love with cross-country skiing and haven’t ...