Koli, Finland · Saturday, October 3, 2026

Fixed Distance 50 mi

Vaarojen Ultramaraton 65km

17 days to go

65 km Distance

1,900 m Climbing

6.1 Grit · Hardcore

63.1180° N, 29.7841° E© OpenFreeMap © OpenMapTiles Data from OpenStreetMap

What the course asks

Climbing rate 29 m / km Rolling. Moderate undulations. Requires consistent effort across varying grades.

Time limit 17 hours 15:42 min/km average. Generous. Walkable throughout for most of the field. More forgiving than 90% of 50 mi races. Measured against 455 races of the same distance. Cut-off calculator →

Field size ~191 Mid-sized. Company early, well spread out by halfway.

DUV results for the 2025 edition (65km) — 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 4°C

Night low 1°C

Rainfall Mostly dry

Daylight 11 h 17 m of light

Regional 2001-2020 average for October — NASA POWER, grid elevation 139 m. Not a forecast.

The Aid Station

Course-specific beta from the community

⛰️ terrain

This is a rolling course. Expect fast, runnable sections where rhythm is key.

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 65 km of trail with 1,900 m of ascent.

Trail Running Shoes29 m of climb per kilometre — grip and rock protection before cushioning.
Race Nutrition65 km of self-supported fuelling between aid stations.
Hydration VestsPole attachment and chest-strap stability on steep ground.
Trekking Poles1,900 m of ascent to walk up.
HeadlampsA 17 h limit puts you out there after dark.

Adidas

Terrex Speed Ultra

★★★★★ 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

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

Komperdell

Carbon Ultralight Vario 4

4-section folding carbon poles with compact pack size for mandatory gear.

$160 ★★★★★ 4.5

Nitecore

UT32

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

$100 ★★★★★ 4.5

All gear guides →

Course Notes

The event takes place in Koli National Park, North Karelia, Finland. The route comprises mainly forest and sand trails as well as forest paths. The route is demanding not only due to alternating altitudes but also due to stones, rocks and roots.

Similar races

Other 50 mi trail ultras, closest in distance first.