The North Face 100 Ultra Challenge 2023 (TNF 100 Ultra Trail Challenge) is making a triumphant comeback this December! Building on the momentum in March, TNF 100 Ultra Trail Challenge is set to take place from December 8 to 10 (Friday to Sunday). The event will feature the 50K race along with the return of the standard 100K race in the mountains. Additionally, a new 16K race has been added to the event, providing an opportunity for racers of all levels to conquer the mountains together. This new race promises to offer an off-road experience for racers with less experiece to enjoy the satisfaction of the TNF 100 Ultra Trail Challenge!