Watch the best moments of the Ultra trail Ninghai by UTMB 2023 br br br br THE ULTIMATE GLOBAL TRAIL RUNNING WORLD SERIES.br br Bringing together 37 leading international events across Asia, Oceania, Europe, Africa and the Americas, the UTMB® World Series gives you the chance to experience the UTMB® adventure close to home and to begin your quest to enter UTMB® Mont-Blanc.