Dayton, OH, United States · Saturday, October 3, 2026

Timed 12 hours

Outdoor X 12 Hour Endurance Run

3 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.

39.7589° N, 84.1916° W © OpenFreeMap © OpenMapTiles Data from OpenStreetMap

What the course asks

Field size ~65 Mid-sized. Company early, well spread out by halfway.

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 18°C

Night low 6°C

Rainfall Mostly dry

Daylight 11 h 44 m of light

Regional 2001-2020 average for October — NASA POWER, grid elevation 293 m. Not a forecast.

Results history

Year	Race	Finishers	Men's winner	Women's winner
2025	12h	65	Seth Moore · 128.345 km	Kayla Rice · 115.068 km
2024	12h	66	Isaac Barnes · 123.114 km	Abigail Kamalian · 106.619 km
2023	12h	66	Brian Furderer · 98.169 km	Molly Kash · 121.505 km
2022	12h	79	Brian Wooden · 119.091 km	Sherri McCall · 94.951 km
2021	12h	47	John Lavelle · 104.285 km	Joan Cameron · 91.249 km
2019	12h	75	Jordin Kear · 111.044 km	Logan Waterman · 104.446 km
2018	12h	66	John Lavelle · 103.368 km	Candice Lockard · 101.115 km
2017	12h	62	Derek Tinnin · 102.354 km	Nicole Huston · 91.410 km
2016	12h	44	Christopher Buchheit · 109.023 km	Myia Miller · 95.934 km
2015	12h	41	Justin Gardner · 117.498 km	Dianne Griesser · 108.646 km

The field has held steady: 66 in 2024, 65 in 2025. 38% 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.

Salomon

Sense Ride 5

RunRepeat found the Salomon Sense Ride 5 to have immaculate lockdown and a smooth and stable ride, making it confident on moderate trails and steep downhills. I…

★★★★★ 4.5

Topo Athletic