Hardest Climb in UMA History: 5.12B Onsight Attempt

The ultimate test of endurance and alpine skill reaches a breaking point. Watch elite athletes tackle the hardest 5.12B onsight climb in UMA history before racing 1,600 vertical feet at 13,000 feet elevation. Get the Outside TV app to stream films and series wherever you go: https://outside.watch/ios https://outside.watch/android Follow Outside TV for the latest and greatest: Activity Feed: https://outside.watch/activityfeed Facebook: https://www.facebook.com/outsidewatch/ Instagram: https://www.instagram.com/outsidewatch/ Get unlimited access to articles, courses, premium films, series & more with Outside+ The one subscription to fuel all your adventures: https://outside.watch/Plus • 00:00 - Ultimate Mountain Athlete Season 2: The Stakes are Stacked • 01:03 - Brutal Finishes and Broken Holds in Ouray Gorge • 01:53 - Pushing Past Failure: Multi-Sport Adaptability • 02:52 - Mental Fortitude on the 5.11 Big Wall • 04:16 - Attempting the Hardest 5.12B Climb in UMA History • 05:02 - Athlete Profile: Thorn Merrill, the Jack of All Trades • 09:19 - Delivering the Ultimate 5.12B Onsight Performance • 10:14 - Kelsey Wittels Risks It All for Top Leaderboard Spot • 11:33 - Transitioning to Skimo: Heading to Silverton Mountain • 12:35 - Racing 1,600 Vertical Feet at 13,000 Ft Elevation • 15:25 - Navigating Pure Suffering on Hillary’s Step • 16:44 - Athlete Profile: 19-Year-Old Skimo Prodigy Sienna Petersen • 21:34 - Next Time on UMA: Descending the Rugged Faces