FKT: Karl Egloff - Mt Elbrus (Russia) - 2017-05-07

Set in the Mt Elbrus Skymarathon.

https://www.karlegloff.com/achievements/

Starting at Azau Glade at an altitude of 2450m, the course goes up to 5642m where runners turn around and then re-trace back down to 2450m at Azau. The 25km course has a lung and leg busting altitude gain of 3300m.

https://iancorless.org/2017/05/07/karl-egloff-sets-new-world-speed-climbing-record-on-mount-elbrus-and-wins-the-redfox-elbrus-skymarathon-russia/