How to fuel during an ultra endurance race
I need to get in shape for the UTMB (Ultra-Trail du Mont-Blanc) that will take place in Chamonix the 1st of September 2023! Created in 2003, the UTMB is “the most mythical and prestigious trail running race in the world” with 171 kilometers and 10,000 meters of positive elevation gain around the Mont-Blanc through …