Southern Morocco, Morocco · Sunday, January 10, 2027
Fixed Distance 100K
Marathon Des Sables Ultra (MDS) 100km
56 days away
100 km Distance
582 m Climbing
5.9 Grit · Challenging
What the course asks
Climbing rate 6 m / km
Fast & Flat. This course is relatively flat and fast. Ideal for PB attempts.
Time limit 40 hours
24:00 min/km average. Generous. Walkable throughout for most of the field. Among the most forgiving 100K cut-offs we track. Measured against 238 races of the same distance. Cut-off calculator →
Field size ~88 Mid-sized. Company early, well spread out by halfway.
DUV results for the 2026 edition (100km) — finishers only. Starters are not published, so the field was at least this big and no finish rate can be given.
Typical conditions, January
Daylight 10 h 19 m of light
Results history
| Year | Race | Finishers | Men's winner | Women's winner |
|---|---|---|---|---|
| 2026 | 100km | 88 | Sergio Turull Serratosa · 11:53:27 | Adriana Moser · 12:22:43 |
35% of the 2026 field were women.
DUV results for the 2026 edition (100km) — finishers only. Starters are not published, so the field was at least this big and no finish rate can be given.
Course notes
- terrain This is a fast & flat course. Expect fast, runnable sections where rhythm is key.
- gear With trail terrain, choose a shoe with moderate cushioning for optimal performance.
- nutrition For 100km+ efforts, prioritize real food at aid stations to prevent palate fatigue.
Gear for this race
Chosen for 100 km of trail with 582 m of ascent.
- Trail Running Shoes 100 km of trail — cushioning that is still there in the last quarter.
- Race Nutrition Past 100 km the palate quits before the legs do — carry more than one flavour.
- Hydration Vests Flask capacity for 100 km, without the bounce.
- Headlamps A 40 h limit puts you out there after dark.
- Accessories Chafe and blisters end more 100 km races than fitness does.
Similar races
Other 100K trail ultras, closest in distance first.