L'Abbaye, Switzerland · Sunday, October 11, 2026

Fixed Distance 50K

Trail Vallée de Joux 51km

11 days to go

58 km Distance

2,970 m Climbing

7.4 Grit · Hardcore

46.6497° N, 6.3191° E © OpenFreeMap © OpenMapTiles Data from OpenStreetMap

What the course asks

Climbing rate 51 m / km Mountain. Significant climbing. Steep sections will require power hiking.

Time limit 9 hours 9:19 min/km average. Comfortable. Room to walk the climbs and stop at aid. Tighter than 89% of 50K races. Measured against 1034 races of the same distance. Cut-off calculator →

Field size ~69 Mid-sized. Company early, well spread out by halfway.

DUV results for the 2025 edition (68km) — finishers only. Starters are not published, so the field was at least this big and no finish rate can be given.

Typical conditions, October

Daytime high 14°C

Night low 6°C

Rainfall Showers likely

Daylight 11 h 13 m of light

Regional 2001-2020 average for October — NASA POWER, grid elevation 738 m. Not a forecast.

Results history

Year	Race	Finishers	Men's winner	Women's winner
2025	68km	69	Matthieu Laffitte · 07:03:58	Celine Ferrara · 07:54:56
2024	63km	106	Oleg Ponomarev · 06:24:14	Fanny Lannoy · 08:34:31
2023	59km	105	Etienne Mitaut · 06:08:17	Celine Ferrara · 07:17:31
2022	51km	122	Jean-Francois Pugin · 04:51:53	Caroline Manil · 06:10:02
2021	51km	116	Alexandre Bugnard · 04:30:09	Clara Gasser · 06:12:29
2020	51km	185	Jerome Vanderschaeghe · 04:43:16	Claudia Bernasconi · 05:45:43
2019	51km	125	Benjamin Hall · 05:13:01	Olivia Marchandise · 06:24:14
2018	51km	98	Aurelien Patoz · 04:49:28	Antonella Musaro · 05:59:51
2017	52km	129	Jean-Philippe Tschumi · 04:35:43	Katia Bender · 06:12:42
2016	54km	93	Jean-Philippe Tschumi · 04:42:14	Simona Morbelli · 05:46:30

The field shrank 35% between 2024 (106) and 2025 (69). 10% of the 2025 field were women.

DUV results for the 2025 edition (68km) — finishers only. Starters are not published, so the field was at least this big and no finish rate can be given.

The Aid Station

Course-specific beta from the community

⛰️ terrain

This is a mountain course. Poles are highly recommended for the sustained climbs.

By UltraHub Expert

👟 gear

With trail terrain, choose a shoe with moderate cushioning for optimal performance.

By UltraHub Expert

Gear for this race

Chosen for 58 km of trail with 2,970 m of ascent.

Trail Running Shoes 51 m of climb per kilometre — grip and rock protection before cushioning.
Race Nutrition 58 km of self-supported fuelling between aid stations.
Hydration Vests Pole attachment and chest-strap stability on steep ground.
Trekking Poles 2,970 m of ascent to walk up.
GPS Watches Battery life first — a 58 km day outlasts most full-GPS modes.

Salomon

Sense Ride 5

RunRepeat found the Salomon Sense Ride 5 to have immaculate lockdown and a smooth and stable ride, making it confident on moderate trails and steep downhills. I…

★★★★★ 4.5

Brooks

Catamount 3

RunRepeat found the Brooks Catamount 3 to have a cozier upper that enhances the overall fit, though breathability and durability could be better. iRunFar noted…

★★★★★ 4.5

Spring Energy