title: Kilian Jornet et Aconcagua > I suffered from altitude sickness all the way to Plaza de Mulas. I kept losing my balance, my muscles seemed unwilling to follow my head and made me fall. At Plaza de Mulas I stopped for twenty minutes. I had something to eat, hydrated well and I gradually began to feel a bit better. Ahead was the descent to Horcones, where I was able to run well and ended up making good time. > > *[ACONCAGUA, KILIAN JORNET’S NEW RECORD](http://blog.summitsofmylife.com/2014/12/24/aconcagua-kilian-jornets-new-record-in-summits-of-my-life-project/)* ([cache](/david/cache/240af6f0255daf0dccb477abf7d70ef5/)) Lorsqu’on lit le récit de Kilian et que l’on connait ses capacités physiologiques, on peut se demander à quel point il frôle ce qu’il est humainement possible de faire. Ça donne [des idées](http://www.mensjournal.com/magazine/print-view/aconcagua-everyman-s-everest-20130403) ([cache](/david/cache/7b54d1ac7238ee9867663dcc1a745877/))…