Running’s most intense hill workout: Kilian Jornet’s ridiculous one-hour challenge

Jornet shares his toughest training session: run a vertical kilometre followed by a flat 10K, all in less than an hour

Kilian Jornet tells GQ how writing helps his training

Instead of giving tips on fashion, the Spanish ultrarunning sensation spoke about training, self-coaching and more

Coolsaet, Jornet beat Bekele in NN Running virtual marathon relay

The MA RA TH ON relay attracted more than 100,000 participants over the weekend, including some of the world’s best runners