Grosio (So), Italy · Saturday, August 8, 2026

Fixed Distance 50 mi

Valgrosina Trail

Race completed

70 km Distance

5,000 m Climbing

10.0 Grit · Elite / extreme

46.2989° N, 10.2745° E© OpenFreeMap © OpenMapTiles Data from OpenStreetMap

What the course asks

Climbing rate 71 m / km Vertical. Extreme verticality. This is a technical mountain course with sustained steep grades.

Time limit 19 hours 16:17 min/km average. Generous. Walkable throughout for most of the field. Among the most forgiving 50 mi cut-offs we track. Measured against 455 races of the same distance. Cut-off calculator →

Field size ~90 Mid-sized. Company early, well spread out by halfway.

DUV results for the 2026 edition (70km) — finishers only. Starters are not published, so the field was at least this big and no finish rate can be given.

Typical conditions, August

Daytime high 15°C

Night low 6°C

Rainfall Showers likely

Daylight 14 h 34 m of light

Regional 2001-2020 average for August — NASA POWER, grid elevation 2144 m. Not a forecast.

The Aid Station

Course-specific beta from the community

⛰️ terrain

This is a vertical 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 70 km of trail with 5,000 m of ascent.

Trail Running Shoes71 m of climb per kilometre — grip and rock protection before cushioning.
Race Nutrition70 km of self-supported fuelling between aid stations.
Hydration VestsPole attachment and chest-strap stability on steep ground.
Trekking Poles5,000 m of ascent to walk up.
HeadlampsA 19 h limit puts you out there after dark.

Adidas

Terrex Speed Ultra

★★★★★ 4.5

La Sportiva

Prodigio Pro

RunRepeat found the La Sportiva Prodigio Pro to have a secure, locked-in fit due to its premium upper, and also praised the shoe's energetic ride, particularly…

$225 ★★★★★ 4.6

Maurten

Gel 100

Hydrogel technology for 25g carbs per gel with minimal GI distress.

$3.5 ★★★★★ 4.7

Nathan

VaporKrar 12L

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

$170 ★★★★★ 4.6

LEKI

Ultratrail FX.One

Ultra-light carbon folding poles (135g each) designed for mountain ultra racing.

$200 ★★★★★ 4.6

Nitecore

UT32

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

$100 ★★★★★ 4.5

All gear guides →

Course Notes

corsa a piedi in montagna in semi-autosufficienza, suddivisa in tre percorsi, lungo un territorio alpino tra i sentieri di Grosio e della Valgrosina, con un tracciato complessivo di circa 70 km e 5000 metri di dislivello positivo

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