Lahti, Finland · Sunday, June 28, 2026

Fixed Distance 50K

Ultra X 50 Finland

Race completed

51 km Distance

1,000 m Climbing

4.1 Grit · Challenging

60.9827° N, 25.6612° E © OpenFreeMap © OpenMapTiles Data from OpenStreetMap

What the course asks

Climbing rate 20 m / km Rolling. Moderate undulations. Requires consistent effort across varying grades.

Field size ~123 Mid-sized. Company early, well spread out by halfway.

DUV results for the 2025 edition (51km) — finishers only. Starters are not published, so the field was at least this big and no finish rate can be given.

Typical conditions, June

Daytime high 19°C

Night low 10°C

Rainfall Mostly dry

Daylight 19 h 13 m of light

Regional 2001-2020 average for June — NASA POWER, grid elevation 98 m. Not a forecast.

Results history

Year	Race	Finishers	Men's winner	Women's winner
2025	51km	123	Petri Luhio · 04:15:39	Nicola Wilkinson · 04:52:14
2024	50km	135	Juha Sorvisto · 04:40:03	Sophie Radford · 05:08:52

The field shrank 9% between 2024 (135) and 2025 (123). 35% of the 2025 field were women.

DUV results for the 2025 edition (51km) — 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 rolling course. Expect fast, runnable sections where rhythm is key.
gear With trail terrain, choose a shoe with moderate cushioning for optimal performance.

Gear for this race

Chosen for 51 km of trail with 1,000 m of ascent.

Trail Running Shoes 20 m of climb per kilometre — grip and rock protection before cushioning.
Race Nutrition 51 km of self-supported fuelling between aid stations.
Hydration Vests Pole attachment and chest-strap stability on steep ground.
Trekking Poles 1,000 m of ascent to walk up.
GPS Watches Battery life first — a 51 km day outlasts most full-GPS modes.

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

Salomon

ADV Skin 12

Industry-standard 12L race vest with front flask pockets and minimal bounce.

$180 ★★★★★ 4.8

Komperdell

Carbon Ultralight Vario 4

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

$160 ★★★★★ 4.5

COROS

APEX 2 Pro

GPS running watch with 75-hour GPS battery, topo maps, and training metrics.

$500 ★★★★★ 4.7

All gear guides →

Overview

The Ultra X 50 Finland was a 51-kilometer trail race held in Lahti, Finland. It offered 1000 meters of elevation gain, which meant 19.6 meters of climb per kilometer. The event was organised by World Ultra Corporation Ltd.

With 123 finishers in its latest edition, this race had a larger field than 83% of 50k races, making it a comparatively popular event among its peers. The entry fee was 152€. The first edition took place in 2024, and it was run for the second and last time in 2025.

Similar races

Other 50K trail ultras, closest in distance first.