The 10 km de Fontaine is an evening road race held in Fontaine, located in the Isère department of Auvergne-Rhône-Alpes. The primary event is a 10 km run on paved roads. Prior to this, three children's races are held: 400 m, 800 m, and 1.2 km.
The structure of the event creates a local race night atmosphere, distinct from a single mass start. Children compete first, followed by the 10 km participants. AASF 38 is the organizing body. This listing indicates it is the inaugural edition, featuring a total of four races with distances spanning from 400 m to 10 km.