Sam Johnson and Kaelen Ruder ran a marathon around the Life Sciences Building at Brigham Young University on June 12.

A performance physiologist explains how running 26.2 miles places significant physiological stress on the body ...

PORT ANGELES — A near-perfect day with light winds greeted runners in Sunday’s North Olympic Discovery Marathon Sunday ...

JP Flavin was the favorite to win the Bellin Run as the returning champion. The Michigan runner lived up to expectations.

The Manhattan perimeter has become a popular route for athletes seeking a new challenge — no race fee required.

Both Laurel and Harper say their goal is to inspire others to spend time with their families, move their bodies, be active, ...

Design: Will Tullos / The Athletic. Photos: Dominic Lipinski / PA Images via Getty Images; Barbara Ralph; Chris Finill It is one of the toughest feats in sport, a 26.2-mile hit on the body and mind — ...

Nearly 4,000 people finished the Carmel Marathon, half marathon, 10K and 5K Sunday morning after the race was postponed last ...

Trading weighted squats in for a Pilates mat can upgrade your running technique and minimize injury. Experts walk us through ...

Acute cardiac responses to marathon running include biomarker spikes and structural changes, though their long-term impact on ...