Few things are more coveted by endurance athletes than the so-called "runner’s high." It's that feeling of euphoria, reduced stress and sharpened mental clarity that can emerge when aerobic exercise ...

Sometimes I fear my running career has plateaued. Well, not my career, but my pace. I lace up four or five times a week, push hard enough to feel pleasantly wrecked, watch my mileage climb steadily ...

You can run 26.2 miles in just about every way imaginable, from blistering fast to slow and steady with a few walk breaks along the way. No matter your pace, your body is working hard – and covering ...

Hitting your fifth decade doesn’t mean you have to slow down as a runner. In fact, these athletes, from all different backgrounds, show it’s possible to get fitter and faster with age. Here’s how they ...

There’s no shortage of complicated ways to run faster over 5k. Threshold sessions, floating reps, pace bands, heart rate caps – all worth looking into, but it’s all too easy to overcomplicate things ...

Members of Space Base Delta 1 speed past the Mercury marker during the inaugural run of the Solar System Trail at Peterson Space Force Base, Colorado, March 17, 2026. The new base running trail is ...

Few things are more coveted by endurance athletes than the so-called "runner’s high." It's that feeling of euphoria, reduced stress and sharpened mental clarity that can emerge when aerobic exercise ...