Morzine hosts Spartan racers in a French Alps mountain village for a summer race weekend from Friday to Sunday, offering distances from 5 km up to the 50 km Ultra World Championship. The featured Ultra is a 50 km obstacle-course race with 60 obstacles, designed for athletes seeking Spartan's most demanding format over a shorter mud run. The weekend also operates under the Trifecta structure, allowing runners to select various distances from the same event location.