Saas Grund, Switzerland · Saturday, September 12, 2026

Fixed Distance Marathon

Mattmark memorial - 50k Mischabel Trail

Race completed

45 km Distance

3,100 m Climbing

6.9 Grit · Hardcore

46.1228° N, 7.9365° E © OpenFreeMap © OpenMapTiles Data from OpenStreetMap

What the course asks

Climbing rate 69 m / km Mountain. Significant climbing. Steep sections will require power hiking.

Time limit 12 hours 16:00 min/km average. Generous. Room to walk the climbs and stop at aid. More forgiving than 83% of Marathon races. Measured against 44 races of the same distance. Cut-off calculator →

Field size ~66 Mid-sized. Company early, well spread out by halfway.

DUV results for the 2025 edition (45km) — 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 13°C

Night low 4°C

Rainfall Showers likely

Daylight 12 h 47 m of light

Regional 2001-2020 average for September — NASA POWER, grid elevation 1771 m. Not a forecast.

Results history

Year	Race	Finishers	Men's winner	Women's winner
2025	45km	66	Adrian Castrischer · 05:25:21	Ezgi Akdesir · 06:34:06

27% of the 2025 field were women.

DUV results for the 2025 edition (45km) — 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 45 km of trail with 3,100 m of ascent.

Trail Running Shoes 69 m of climb per kilometre — grip and rock protection before cushioning.
Race Nutrition 45 km of self-supported fuelling between aid stations.
Hydration Vests Pole attachment and chest-strap stability on steep ground.
Trekking Poles 3,100 m of ascent to walk up.
Headlamps A 12 h limit puts you out there after dark.

Adidas

Terrex Agravic Speed Ultra

RunRepeat found the Adidas Terrex Agravic Speed Ultra to be perfect for midfoot and forefoot strikers, while iRunFar noted that the shoe feels incredibly effici…

★★★★★ 4.5

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

Skratch Labs

Sport Hydration Mix

Clean electrolyte drink mix with real fruit flavor. Low sugar.

$20 ★★★★★ 4.5

Nathan

VaporKrar 12L

12L race vest co-designed with ultra champion Rob Krar, with insulated bladder pocket.

$170 ★★★★★ 4.6

Black Diamond

Distance FLZ

Lightweight folding trekking poles with FlickLock Z adjustment. 340g per pole.

$170 ★★★★★ 4.7

Nitecore

UT32

Dual-beam trail running headlamp (1100 lumens) with spot and flood beams.

$100 ★★★★★ 4.5

All gear guides →

Overview

The Mattmark memorial is a 45-kilometer trail race in Saas Grund, Switzerland, featuring 3100 meters of elevation gain for 68.9 meters of climb per kilometer. This makes it a more challenging course than 69% of marathon-distance trail races.

With a 12-hour time limit, the cutoff pace is 16 minutes per kilometer. This cutoff is looser than 14% of similar marathon-distance trail races, offering more time to complete the course. The race had 66 finishers in its first edition in 2025.

Similar races

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