Ultra Running Hub Espoo, Finland · Saturday, September 5, 2026
Nuuksio70 Trail Ultra
What the course asks
DUV results for the 2025 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, September
Regional 2001-2020 average for September — NASA POWER, grid elevation 19 m. Not a forecast.
Results history
| Year | Race | Finishers | Men's winner | Women's winner |
|---|---|---|---|---|
| 2025 | 70km | 138 | Juuso Simpanen · 06:08:16 | Helena Eskola · 08:18:44 |
| 2024 | 70km | 111 | Jussi Nokelainen · 06:28:01 | Eevi Bengs · 07:43:01 |
| 2023 | 70km | 105 | Tuomas Tervo · 06:35:48 | Mia Tuoriniemi · 08:01:55 |
| 2022 | 72km | 92 | Jani Virta · 06:47:32 | Jasmina Nikula · 07:56:19 |
| 2021 | 72km | 111 | Juuso Simpanen · 06:03:14 | Johanna Antila · 06:49:40 |
| 2020 | 72km | 130 | Juuso Simpanen · 06:12:34 | Johanna Antila · 07:25:47 |
| 2019 | 74.3km | 115 | Juuso Simpanen · 06:02:36 | Johanna Antila · 07:35:45 |
| 2018 | 72km | 127 | Juuso Simpanen · 06:33:01 | Mia Tuoriniemi · 08:17:18 |
| 2017 | 72km | 96 | Juuso Simpanen · 06:36:20 | Pirjo Saukko · 08:11:34 |
The field grew 24% between 2024 (111) and 2025 (138). 19% of the 2025 field were women.
DUV results for the 2025 edition (70km) — 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 72 km of trail with 1,300 m of ascent.
- Trail Running Shoes 72 km of trail — cushioning that is still there in the last quarter.
- Race Nutrition 72 km of self-supported fuelling between aid stations.
- Hydration Vests Flask capacity for 72 km, without the bounce.
- Headlamps A 12 h limit puts you out there after dark.
- GPS Watches Battery life first — a 72 km day outlasts most full-GPS modes.
Overview
The Nuuksio70 Trail Ultra in Espoo, Finland, offers a 50-mile trail race experience with 1300m of elevation gain over 72km, averaging 18.1m of climb per kilometer. This makes it a more demanding course than most, with a climb profile steeper than 82% of its 50-mile peers. The race has seen 9 editions since 2017.
With a 12-hour time limit, the race imposes a cutoff pace of 10 minutes per kilometer, which is tighter than 72% of 50-mile races. This allows less margin for error or extended breaks compared to most events of this distance. The course is a single loop on small trails within Nuuksio National Park, featuring wild forests, lakesides, and slow, winding trails with rocks and roots. Approximately 10% of the course covers faster forest roads with a gravel surface.
Similar races
Other 50 mi trail ultras, closest in distance first.