Cassel, montagne d'un jour 2027

Cassel, Montagne d'un Jour is a February trail race held in Cassel, a small town in northern France. The main race is approximately 15 km and is classified as Trail XXS, but it includes about 500 metres of climbing within that short distance. The route begins and ends in Cassel. Published tracks indicate roughly 527 metres of ascent, 474 metres of descent, and a high point of only 168 metres. This suggests the race focuses on repeated climbs around a compact hill town rather than significant mountain ascents. The event has been held for over twenty-four editions. Runners can typically access a GPX track, but it is advisable to verify the official course, as older tracks might differ from the current route.