La Juffynoise is a trail race in Sainte-Ruffine, Moselle, France. It features an 8 km option with approximately 250 metres of elevation gain. The event also includes a 19 km trail with around 550 metres of climbing, and a free race for children. Online registration is mandatory.
The 8 km race is categorized as a 10K, though it is not a flat road course. The route incorporates technical trails, open natural areas, ascents, and swift descents. The availability of both short and longer distances allows newer trail runners to participate while offering experienced runners a challenging, hilly course near Metz.