Le Kermithon is a trail and walking event held in early October in Matignon, Côtes-d'Armor, Brittany. Participants can select a 10 km or 21 km run, with a separate 10 km randonnée pédestre for walkers. This offers options beyond just racing against the clock.
The event features a 10 km Petit Parcours, a 21 km Grand Parcours, and the 10 km walk. It is listed on the Brittany running calendar, with results provided by ChronoWest. The event caters to trail runners seeking a shorter run or a half-marathon distance, as well as those who prefer to explore the Matignon area on foot.