Saariselkä, Finland · Saturday, September 19, 2026
Fixed Distance 50K
Arctic Trail Run
Race completed
50 km Distance
not publishedn/a Climbing
2.5 est Grit · Entry level
Calculated from 50 km alone — the organiser has not published an elevation profile. Read 2.5 as a floor, not a verdict.
What the course asks
Field size ~98 Mid-sized. Company early, well spread out by halfway.
DUV results for the 2025 edition (50km) — 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 9°C
Night low 3°C
Rainfall Mostly dry
Daylight 12 h 54 m of light
Regional 2001-2020 average for September — NASA POWER, grid elevation 306 m. Not a forecast.
Results history
| Year | Race | Finishers | Men's winner | Women's winner |
|---|---|---|---|---|
| 2025 | 50km | 98 | Tuomas Puputti · 04:47:35 | Ella Keski-Panula · 04:54:56 |
| 2023 | 50km | 64 | Piera Tobiassen · 03:58:51 | Ella Keski-Panula · 05:15:32 |
| 2022 | 50km | 32 | Samuli Härkönen · 04:47:49 | Marika Krohns · 05:09:34 |
The field grew 53% between 2023 (64) and 2025 (98). 62% of the 2025 field were women.
DUV results for the 2025 edition (50km) — finishers only. Starters are not published, so the field was at least this big and no finish rate can be given.
Course notes
- gear With trail terrain, choose a shoe with moderate cushioning for optimal performance.
Gear for this race
Chosen for 50 km of trail.
- Trail Running Shoes 50 km of trail — cushioning that is still there in the last quarter.
- Race Nutrition 50 km of self-supported fuelling between aid stations.
- Hydration Vests Flask capacity for 50 km, without the bounce.
- GPS Watches Battery life first — a 50 km day outlasts most full-GPS modes.
Similar races
Other 50K trail ultras, closest in distance first.