Last year, Michelino Sunseri cut a closed switchback during his record-breaking Grand Teton run, leading to criminal ...

Hannah Otto determined herself to break unsupported records on all three of Moab's longest, most challenging MTB trails — it ...

On Aug. 30, Jamieson Hatt of Coldwater, Ont., reached the southern terminus of the Bruce Trail in 12 days, 11 hours and 38 ...

Yellowstone geysers are facing an unassuming threat, plus a new speed record has been set on the Grand Teton. Outside has you covered in this edition of our weekly news roundup ...

Let’s get this out of the way: runner Jane Maus avoided all shortcuts, cutoffs, and trail bypasses while breaking the speed ...

For the second time in less than a week, the women’s unsupported fastest known time (FKT) on Grand Teton has been broken. On August 19, Jazmine Lowther ran from the Lupine Meadows Trailhead to the ...

One of the most technical mountain trail running routes in North America has a new Fastest Known Time set by La Sport ...

After months of deliberation, the judge in Michelino Sunseri's court case has released her decision, declaring the endurance athlete guilty.

A team of international mountain athletes runs across Japan's Northern Alps following the footsteps of Banryu, a monk known as the 'father of Japanese alpinism.