Find a snow-covered hill with a safe, steady incline. Warm up with a 10-minute easy jog on packed snow or a cleared path.

If you’ve resolved to get more fit in 2025, you’re in luck, because almost any exercise will steer you toward that goal. But ...

Roe completed the mile intervals in 5:24, 5:22 and 5:20. Her fartlek sets were around 4:08 (34 seconds for 200m, 28 seconds ...

Fartleks” are an effective way to add intensity to activities, which a growing body of science indicates can make your workouts more beneficial.

We hit the road to film with the world's best athletes for our Workout Wednesday series this year. Here are our favorites from 2024.