A P.E. teacher from the U.K. ran the Polar Night Marathon while wearing a polar bear suit, and she achieved a Guinness World Record.

Trail running for leisure turned into trail running while being chased by cows for one man, whose escapade made for a very funny video.

Ultrarunner and thru-hiker Tara Dower completed the Appalachian Trail in just over 40 days, setting a new record for the fastest known time.

An ultrarunner did not expect his 50-mile run into Yosemite Valley to end with an unwanted bear hug. Here’s what happened.

Jasmin Paris made history when she became the first woman to complete the grueling 100-mile, off-trail race known as the Barkley Marathon. 

All running shoes are not equal. We’ve rounded up our suggestions for the best trail running shoes on the market.

Running doesn’t require a ton of gear, but you should get yourself some good running socks. Here are our top picks for best running socks.

If you’re looking for a new hiking watch, you may want to look to the professionals. The best Garmin Watches for hiking are great options.

Cold weather doesn’t mean you need to stop your running routine. Here are the best winter running jackets to keep you warm this season.

The current marathon world record holder has died after a car crash in Kenya. Kelvin Kiptum and his coach were killed in a car crash.