Kilian Jornet (or Kílian Jornet Burgada, in his native Catalan) is a 33-year-old Catalan mountain climber, ultrarunner, ski mountaineer, and self-proclaimed| Marathon Handbook
Learn how your body adapts to heat during training, from improved VO2 max to increased sweat rate. This guide covers heat training methods, physiological benefits, and smart race-day strategies for running in warm weather.| Marathon Handbook
This year the focus of the training was to get fit for short distance trail races. Context: The past year I was injured for a big part of the summer. I couldn’t race but I did a great trainin…| mountain athletes
Kilian Jornet’s long-awaited return to U.S. racing did not go to plan.| Marathon Handbook
Next weekend, the stars of ultra trail running will gather in the Sierra Nevada Mountains in the sunshine state of California for the world’s oldest 100-mile| Marathon Handbook