Ultra Running Hub Mieraslompolo, Finland · Saturday, July 25, 2026
Kaldoaivi Ultra Trail 57km
What the course asks
DUV results for the 2026 edition (57km) — finishers only. Starters are not published, so the field was at least this big and no finish rate can be given.
Results history
| Year | Race | Finishers | Men's winner | Women's winner |
|---|---|---|---|---|
| 2026 | 57km | 100 | Svein Roger Kaspersen · 04:47:41 | Elisabeth Stubberud · 06:07:35 |
| 2025 | 57km | 77 | Markus Pennanen · 05:04:29 | Katri Virtanen · 05:42:27 |
| 2022 | 57km | 52 | Piera Tobiassen · 04:41:58 | Susanna Hernberg · 06:04:55 |
| 2021 | 57km | 71 | Svein Roger · 04:40:30 | Iina Ahokas · 06:24:17 |
| 2019 | 128.9km | 6 | Ville Kangasniemi · 20:24:43 | Anne Rauhamäki · 19:14:41 |
| 2018 | 130km | 28 | Eelis Rankka · 14:16:02 | Saara Päätalo · 15:15:53 |
The field grew 30% between 2025 (77) and 2026 (100). 51% of the 2026 field were women.
DUV results for the 2026 edition (57km) — finishers only. Starters are not published, so the field was at least this big and no finish rate can be given.
The Aid Station
Course-specific beta from the community
This is a fast & flat course. Expect fast, runnable sections where rhythm is key.
With trail terrain, choose a shoe with moderate cushioning for optimal performance.
Gear for this race
Chosen for 57 km of trail with 650 m of ascent.
- Trail Running Shoes 57 km of trail — cushioning that is still there in the last quarter.
- Race Nutrition 57 km of self-supported fuelling between aid stations.
- Hydration Vests Flask capacity for 57 km, without the bounce.
- Headlamps A 12 h limit puts you out there after dark.
- GPS Watches Battery life first — a 57 km day outlasts most full-GPS modes.
Overview
The Kaldoaivi Ultra Trail 57km, a fixed-distance trail race in Mieraslompolo, Finland, presents a moderate challenge with 650 meters of elevation gain over its 57-kilometer course. This averages 11.4 meters of climb per kilometer, placing it among the less steep 50k races.
With a time limit of 12 hours, runners must maintain a pace tighter than 41% of 50k races, requiring an average of 12.6 minutes per kilometer to finish. The race sees a larger field than 79% of its 50k peers, with 100 finishers expected in the 2026 edition.
Similar races
Other 50K trail ultras, closest in distance first.