Mont-Aux-Sources, South Africa · Sunday, September 12, 2027
Fixed Distance 50K
Mont-Aux-Sources 50km Challenge
304 days away
50 km Distance
2,840 m Climbing
6.8 Grit · Hardcore
What the course asks
Climbing rate 57 m / km
Mountain. Significant climbing. Steep sections will require power hiking.
Time limit 10 hours
12:00 min/km average. Comfortable. Sustained running. Long aid-station stops will cost you. About average for a 50K. Measured against 1097 races of the same distance. Cut-off calculator →
Field size ~167 Mid-sized. Company early, well spread out by halfway.
DUV results for the 2026 edition (50km) — finishers only. Starters are not published, so the field was at least this big and no finish rate can be given.
Typical conditions, September
Daytime high 20°C
Night low 4°C
Rainfall Mostly dry
Daylight 11 h 48 m of light
Regional 2001-2025 average for September — NASA POWER, grid elevation 2050 m. Not a forecast.
Results history
| Year | Race | Finishers | Men's winner | Women's winner |
|---|---|---|---|---|
| 2026 | 50km | 167 | Douglas Pickard · 04:53:03 | Carla van Huyssteen · 05:40:56 |
| 2025 | 55km | 147 | Douglas Pickard · 05:16:00 | Carla van Huyssteen · 06:24:35 |
| 2024 | 50km | 153 | Mlungisi Mazibuko · 05:05:53 | Carla van Huyssteen · 05:48:31 |
| 2023 | 50km | 143 | Mlungisi Mazibuko · 05:00:54 | Ruth Cozien · 05:51:01 |
| 2019 | 50km | 216 | Perfect Khethukuthula Dlamini · 04:34:53 | Isla Still · 05:55:09 |
| 2018 | 50km | 245 | Linda Zondi · 04:31:30 | Tracy Leigh Zunckel · 05:48:36 |
| 2017 | 50km | 309 | Quintin Honey · 04:42:26 | Tracy Zunkel · 05:51:16 |
| 2016 | 50km | 355 | Eric Ngubane · 04:42:00 | Holly Page · 04:59:07 |
| 2015 | 50km | 295 | Prodigal Khumalo · 05:07:00 | Susan Don-Wauchope · 05:33:05 |
| 2014 | 50km | 238 | Eric Ngubane · 04:22:19 | Patricia Bahlmann · 05:34:46 |
The field grew 14% between 2025 (147) and 2026 (167). 31% of the 2026 field were women.
DUV results for the 2026 edition (50km) — 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 mountain course. Poles are highly recommended for the sustained climbs.
- gear With trail terrain, choose a shoe with moderate cushioning for optimal performance.
Gear for this race
Chosen for 50 km of trail with 2,840 m of ascent.
- Trail Running Shoes 57 m of climb per kilometre — grip and rock protection before cushioning.
- Race Nutrition 50 km of self-supported fuelling between aid stations.
- Hydration Vests Pole attachment and chest-strap stability on steep ground.
- Trekking Poles 2,840 m of ascent to walk up.
- GPS Watches Battery life first — a 50 km day outlasts most full-GPS modes.
Similar races
Other 50K trail ultras, closest in distance first.