The Ultra-Trail du Mont-Blanc (UTMB) is one of the most prestigious long-distance trail running events in the world. Held annually in the Alps, it covers approximately 171 kilometers (106 miles) with a total elevation gain of around 10,000 meters (32,800 feet). The race typically takes place in late August and attracts elite runners from various countries, showcasing their endurance and skill in challenging mountain terrain. The UTMB route circles the Mont Blanc massif, passing through three countries: France, Italy, and Switzerland. Participants experience breathtaking landscapes, including glaciers, forests, and alpine meadows. The event also includes several shorter races, making it accessible to a wider range of trail runners and outdoor enthusiasts.