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. Walkable throughout for most of the field. More forgiving than 79% of Marathon races. Measured against 43 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.

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 45 km of trail with 3,100 m of ascent.

Trail Running Shoes69 m of climb per kilometre — grip and rock protection before cushioning.
Race Nutrition45 km of self-supported fuelling between aid stations.
Hydration VestsPole attachment and chest-strap stability on steep ground.
Trekking Poles3,100 m of ascent to walk up.
HeadlampsA 12 h limit puts you out there after dark.

Adidas

Terrex Agravic Speed Ultra

★★★★★ 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 →

Course Notes

Saas-Grund / Erlebnisbank Arena – Kreuzboden – Weissmieshütte – Almagelleralp – Saas-Almagell – Plattjen – Saas-Fee – Hannig – Mällig – Sengg – Saas-Grund

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