LOS ANGELES — With macho-sounding names like Tough Mudder, Warrior Dash and the Spartan Race, obstacle course races have turned mud, sweat and tears into a flood of revenue. Over the last year, ...

Hold on to your horses, the Spartans have descended on Santa Margarita’s wine country hills for the weekend. On the Santa Margarita Ranch, thousands of runners dashed through rows of grapevines, ...

Obstacle course racing is being tested as a replacement for show jumping in the Olympic sport modern pentathlon. I was the first reporter in the world to try the Ninja Warrior-like course. Show ...

MUSKEGON, Mich. — For the 8th year, adventurous runners will take part in the ForeShore Adventure Run on Saturday. It's not just a 5k run. Those who take part will take on 25 obstacles, from climbing ...