Les 24h du Fer à Cheval

The 24 Hours of the Iron Shoe is an exhilarating endurance race organized by XRUN at the Domaine National de Saint-Cloud on September 12 and 13, 2026. Participants will navigate a challenging loop track measuring 400 meters with a steep elevation gain of 30 meters to see how many laps they can complete in an intense 24-hour period. Both solo runners and relay teams consisting of two to four members are welcome.
Throughout the race, athletes will enjoy continuous support services including hydration stations stocked with beverages and snacks, as well as designated rest areas where participants can sleep or store their belongings. Campers have the option to set up tents nearby for added comfort during breaks from racing. Energy refills are available at all times, ensuring that runners remain fueled throughout.
The event atmosphere is lively and supportive, featuring entertaining activities designed to keep both competitors and spectators engaged and excited about the action unfolding around them. The race begins on Saturday morning at 10:00 AM sharp and continues non-stop for a full day and night under the watchful eye of electronic timing systems that provide precise tracking.
With its festive spirit and communal energy, this endurance challenge offers an unforgettable experience blending athletic achievement with camaraderie among participants and supporters alike.