A thank you letter to our beautifully simple, often painful, but always rewarding sport

The UTMB World Series returns to the Bernese Alps of Switzerland on July 16-20.

The 2025 Malibu Moves has it all: running events for all levels, iconic beach scenery, and a celebration of people and purpose

Katie Schide broke Courtney Dauwalter's course record and Ludo Pommeret defended his title two weeks before his 50th birthday. This year's event was also marked by the tragic death of a runner at mile 6, our on-the-ground correspondent reports.

With ECG, blood pressure insights, and a sleek redesign, Whoop’s new MG delivers the deepest health tracking yet—but is it worth the hefty price tag?

President of the American Trail Running Association and practicing attorney Adam Chase tackles the polarizing issue of loud phone usage on public land.

Registered Dietician Matt Kadey breaks down summer’s most hydrating and nutritious fruits and vegetables, plus how to add them into your diet in delicious, refreshing, and sometimes unhinged ways.

A physical therapist explains why monitoring biomechanical numbers might do more harm than good—and what to pay attention to instead.