West Olive, MI, United States · Saturday, October 10, 2026

Timed 12 hours

The Ultra Bird 12 Hour Trail Race

10 days to go

not publishedn/a Distance

not publishedn/a Climbing

not publishedn/a Grit

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.

42.9213° N, 86.1471° W © OpenFreeMap © OpenMapTiles Data from OpenStreetMap

What the course asks

Field size ~24 Small. Long stretches with nobody in sight.

DUV results for the 2025 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, October

Daytime high 14°C

Night low 9°C

Rainfall Showers likely

Daylight 11 h 22 m of light

Regional 2001-2020 average for October — NASA POWER, grid elevation 192 m. Not a forecast.

Results history

Year	Race	Finishers	Men's winner	Women's winner
2025	12h	24	Seth Miller · 114.746 km	Kristi Allen · 104.768 km
2024	12h	11	Brian Schafer · 109.757 km	Christine Lauer · 79.823 km
2023	12h	18	David Brownrigg · 92.939 km	Allisan Barrett · 122.310 km
2022	12h	25	Brian Schafer · 99.779 km	Cindy Huntington · 109.757 km
2021	12h	42	Charles Hornburg · 129.230 km	Amy McLain · 99.779 km
2020	12h	31	Aaron Hamman · 115.872 km	Allie Lindell · 85.295 km
2019	12h	27	Ryan Olson · 114.746 km	Rebecca Joyner · 99.779 km
2018	12h	14	Ryan Olson · 114.263 km	Rachel Jantz · 99.779 km

The field grew 118% between 2024 (11) and 2025 (24). 46% of the 2025 field were women.

DUV results for the 2025 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

👟 gear

With trail terrain, choose a shoe with moderate cushioning for optimal performance.

By UltraHub Expert

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.