Endurance, Adventure, and Community Spirit

Since 1986, MDS has been uniting adventurers through some of the world's toughest desert challenges—where endurance, community, and adventure intersect. If you're planning to take on the legendary MARATHON DES SABLES or one of our shorter events, here’s what you need to know to start your journey.

Choosing Your MDS Experience

MDS offers three core experiences, each tailored for a unique sense of adventure:

• MDS LEGENDARY: 252km ultra-marathon through the Sahara Desert.
• MDS (70, 100, or 120km): Shorter, multi-stage races with diverse challenges.
• MDS TREK: 4-stage trekking adventure covering up to 120km.

Registration Essentials

1. Select your preferred event on the MDS website.
2. Complete the online registration form with accurate details.
3. Secure your spot by processing payment securely online.
4. Check confirmation email and prepare for your adventure.

Support, Accommodation, and Logistics

Participants receive bivouac accommodation in the desert. Event hotels are available before and after each challenge—details are shared upon registration. Our team ensures seamless race logistics and offers guidance on self-reliance, food, climate, and terrain. Community spirit is central, ensuring support throughout your MDS journey.

Postponements and Cancellations

• Contact MDS support via your account for postponement requests.
• Cancellation and refund policies are event-specific—refer to your registration agreement.
• Our team guides you through each scenario with transparency and care.

Fuel Your Desert Adventure

The MDS is more than a challenge—it's an invitation to join an inspiring, global community of explorers. Whether you choose ultra-marathon, multi-stage racing, or an epic trek, our team stands by you every step of the way. Ready for the adventure? Register for your next chapter with MDS.