The Semi Marathon de Châteauroux takes place in mid-March in Châteauroux, located in the Indre department of central France. Participants can choose between a 5 km race or the official half marathon distance of 21.0975 km, accommodating both those seeking a shorter run and those preparing for a longer road race.
The race is organized by La Berrichonne AC and starts at the Stade de la Margotière. Recent participation has increased, with approximately 800 runners registered a week before the event, up from around 600 previously. The race is designed for runners of all levels, featuring a course suitable for various abilities and offering participants a chance to see Châteauroux during the competition. The mid-March weather has historically added unique conditions, with one year experiencing unexpected snow and another facing rain.