Increasing your stamina benefits you long after you complete your last rep or final mile, too. In fact, maintaining endurance ...

Sean McKaveney balances full-time legal work with extreme endurance prep training for one of the world’s coldest, windiest ...

Many runners analyze every aspect of their performance to find and fix the smallest faults. And expert guidance often centers ...

Four months on from winning Britain’s toughest ultra-marathon, where she ran 268 miles across uneven Pennine terrain, Anna ...

When you buy through links on our articles, Future and its syndication partners may earn a commission. It's the original 100-miler, but that's not the only thing that makes this iconic trail race ...

Even the most elite endurance athletes can’t outrun biology. A new study finds that humans hit a metabolic ceiling at about 2.5 times their resting energy burn. When ultra-runners take on races that ...

Professional ultramarathoner Tara Dower lived out of her Ford Transit van while training for last year’s Hardrock Hundred Mile Endurance Run. The ultramarathon includes 33,197 feet of elevation gain, ...

After tackling a Spartan Race untrained, I asked elite athletes how to actually prepare. Here are their five best tips.

Ex-MLB pitcher takes on the NYC Marathon, trading fastballs for 26.2 miles to help rescue animals on Long Island.