Ultra Running Hub Dousman, WI, United States · Saturday, February 27, 2027
Arktos 12 Hour Ultra
We hold no course length for this race — a timed or backyard event is measured by the clock, not the kilometre — so there is no Grit score to give you.
What the course asks
DUV results for the 2026 edition (12h) — ranked runners only. Starters are not published, so the field was at least this big and no finish rate can be given.
Typical conditions, February
Regional 2001-2020 average for February — NASA POWER, grid elevation 262 m. Not a forecast.
Results history
| Year | Race | Finishers | Men's winner | Women's winner |
|---|---|---|---|---|
| 2026 | 12h | 20 | Ezekiel Herson-Ortolan · 84.812 km | Anna Jurken · 58.419 km |
| 2025 | 12h | 5 | Peter Laczniak · 64.856 km | Abby Churchill · 51.177 km |
| 2024 | 12h | 18 | Ed Woolf · 80.950 km | Tara Scott · 64.212 km |
| 2023 | 12h | 9 | Robert Hartung · 81.110 km | Jessica Monk · 82.559 km |
The field grew 300% between 2025 (5) and 2026 (20). 30% of the 2026 field were women.
DUV results for the 2026 edition (12h) — ranked runners 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
With trail terrain, choose a shoe with moderate cushioning for optimal performance.
Gear for this race
Chosen for this trail race.
- Trail Running Shoes Cushioning on trail that is still there in the last quarter.
- Race Nutrition Self-supported fuelling between aid stations.
- Hydration Vests Flask capacity without the bounce.
- Headlamps A 12 h limit puts you out there after dark.
- GPS Watches Battery life first — an ultra outlasts most full-GPS modes.
Similar races
Other trail ultras of the same format.