And as athletes have realized that we're perfectly suited for ultra-endurance, they've taken on feats that would have been unthinkable before, athletes like Spanish endurance racer Kílian Jornet.
I kako su sportaši shvatili da smo savršeno  prilagođeni za ultra izdržljivost učinili su podvige koji bi inače bili nezamislivi, sportaši kao španjolski trkač Kilian Jornet.