Ueli Steck, a renowned mountaineer known for blisteringly fast ascents of technical peaks that earned him the nickname “Swiss Machine,” died today while training for a climb on Mount Everest. He was 40.
Ueli Steck: 1976-2017

Outdoors & Mountaineering Community Reacts
Today while Yannick, Hans and me were climbing to C3, Ueli Steck died at the Nuptse. Yesterday we were having lunch together in C2. Too sad.
— Ferran Latorre (@ferranlatorre) April 30, 2017
So sad to hear about the death of Ueli Steck in the Himalaya today. Crushing.
I tried to find a nice picture of… https://t.co/1UMTdFoJsL— Alex Honnold (@AlexHonnold) April 30, 2017
Forever a legend. R.I.P. @UeliSteck ?? pic.twitter.com/0XJ8mqKwY3
— Sasha DiGiulian (@sashadigiulian) April 30, 2017
My idol Ueli Steck tragically died today?- possibly world’s greatest mountaineer ever #RIP #UeliSteck https://t.co/bzzQxmoyVX pic.twitter.com/Db98oFPZxn
— Pascal Meier,MD (@pascalmeier74) April 30, 2017
A shitty reason to cry after a 100 miler, hearing an inspiration and a good man died. Climb on Ueli Steck. #BeSafeOutThere pic.twitter.com/7Bwu2sGRk3
— Bryon Powell (@LanterneOrange) April 30, 2017
#RIP #UeliSteck
Probably the most gifted mountaineer the world has ever seen. https://t.co/rLbYQkTtfq pic.twitter.com/jA0g1PC6KJ— Fabian Keiser (@FabianKeiser) April 30, 2017