UKC

Kilian Jornet has climbed all eighty-two peaks of 4,000 metres or higher in the European Alps in the space of just nineteen days.

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yeh, good effort.

Super impressive by Kilian, but slight correction as the previous record was held by Chrigel Maurer and Peter von Känel, who earlier this season did it in 51 days. They used paragliders to travel and were unsupported. 

Wow! Congratulations!

That was also an amazing achievement, but significantly different to either Kilian's or Uli's, as my understanding is they used paragliders to fly between mountains when they could and also as a means of ascent as well as descent.

Hang on, wtf. So he went from the Torino, across the dent de geant and the grand jorasses, presumably descended the hirondelle and went to the couvercle. He THEN did aiguille vert etc dropped down to the mer de glace and then reascended back to the Torino?! Is that right? I am astounded.

No:

Stage 12: Grand Jorasses to Dent du Geant from Courmayeur, then on to the Couvercle.

Stage 13: Verte to Droites from the Couvercle. 
 

It’s all described above (and on his Instagram)

Yes, they linked massifs by flying and landed high when possible saving walking up from the valley floors. 

There are no rules for these unbelievable Alpine endeavours, so taken in isolation, as they were all different approaches, each one is mightily impressive. However Kilian's is next level and his physical output was extraordinary, checkout his Strava https://www.strava.com/pros/5452411

no, the other way around (sort of). he descended the jorasses traverse not ascended it.

An utterly boggling thing. The distances and height gains alone are astounding, but I think what really astonishes me is the keeping it together on such a vast amount of potentially dangerous ground while moving so fast for so long.

Wow, this is next level.  I’ve been going the Alps for 26 years or so and haven’t completed them all. I need to up my game!

This is absolutely bonkers.

The entire Mattertal in 5 days. So 36 Summits including most of the highest on the list. Big prominent peaks linked with serious and often scarcely travelled ridges. Just this achievement alone is incredible. The rest of the list added to either end of that makes it unfathomable.