ultra running

  • FUEL: The High-Fat Diet of an Ultra Runner

    Through years of training as an ultra runner, Timothy Olson has taught his body to become "fat-adapted," using fat from animals and plants to fuel him through feats that seems superhuman.

  • Drinking Hornet Vomit Makes Me a Better Runner

    Forget energy drinks—drinking powdered giant hornet vomit might be the key to keep you powering through a long workout. At least it did for me.