The Marathon des Sables, a grueling seven-day ultrarunning challenge, takes place in the vast Moroccan Sahara desert. The brainchild of French adventurer Patrick Bauer, who traversed the desert alone in 1984, carrying all his supplies on his back, the race has grown into a world-renowned event since its inception in 1986. Bauer’s solo journey inspired the creation of this ultimate test of endurance, with participants covering approximately 250km across six stages.
The 39th edition of the Marathon des Sables in 2025 kicks off on April 6 and concludes on April 12, with additional days in Ouarzazate for race briefings and ceremonies. The race’s extreme conditions, including scorching daytime temperatures reaching 50°C and bone-chilling nights down to -6°C, present formidable challenges to competitors. The rugged terrain, sandstorms, and the need to carry all supplies except water add to the difficulty of the race.
Despite the harsh conditions, camaraderie among participants is a highlight of the event, fostered by communal camp setups. The MdS boasts a high finisher rate of 90%, thanks in part to generous cut-off times accommodating both runners and walkers. No specific qualifying times are required to enter the race, making it accessible to anyone over 18 with a valid medical certificate and ECG report.
Participants must come prepared with a comprehensive kit, including essentials like a backpack, water bottles, clothing, hygiene products, and emergency supplies. The race registration fee, ranging from €3,890 to €4,290, covers essential services like medical support, water stations, and accommodation. Flights to Morocco are additional expenses for participants.
Entry slots for the Marathon des Sables are in high demand, with around 1,000 runners from 50 countries competing each year. While half of the spots are reserved for UK and Irish participants, the race typically sells out quickly. Those interested in participating are encouraged to monitor ticket releases for future editions. The event requires a massive organizational effort, involving hundreds of staff, tons of supplies, and a diverse support infrastructure.
With an average representation of 60 nationalities, over 30% of participants walking the course, and an average participant age of 51, the MdS attracts a diverse range of individuals seeking the ultimate endurance challenge. Despite its punishing nature, the Marathon des Sables continues to captivate the adventurous spirit of runners worldwide, cementing its status as a pinnacle of ultra-endurance events.
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