Take it easy: Long runs don’t have to be grindfests. If your goal is improving your basic aerobic ability, running at a ...

Javlon and Anish, both 13 years old, have been chronicling their running journey on Instagram—and amassing millions of views.

Elaine Stypula, a 60-year-old runner from Farmington Hills, Michigan, was pronounced dead at 10:27 a.m. MT by the San Juan ...

Don’t miss this opportunity to run the TCS New York City Marathon, available exclusively to Runner’s World+ members.

John Korir regularly heads to a step aerobics class. Here’s why and how you can can the same benefits at home.

The Garmin Forerunner 55, ideal for new runners and now available for $50 off its original price, offers essential GPS ...

Repeating a speed workout on a regular basis reinforces consistency, which is a pillar of long-term progress. The more often ...

The BYU-bound 18-year-old just finished up the best high school track season ever, but she won’t be skipping any steps in her ...

The GOAT of middle distance running notched two all-time performances at Breaking4 and the Prefontaine Classic.

“Hot weather raises your core body temperature, so exercise feels more difficult in warm weather, especially outdoors, ...

Your body eventually adapts to this stress and repairs and remodels tissues so you can handle the increased miles. But higher ...

Take almost $150 off our all-time favorite Apple running watch, the spec-heavy Apple Watch Ultra 2. Save $120 on the more ...