alaska

Jack Kuenzle set the fastest known time by an hour and a half on the highest peak in North America, covering base camp to summit and back in 10 hours, 14 minutes and 57 seconds

The three-time NCAA champion in the 3,000m steeplechase has spent the last year away from professional running following a string of injuries and a struggle with an eating disorder

Lars Arneson set the fastest known time on a 40-mile route from one side of the Grand Canyon to the other and then back again