River Falls, WI, United States · Saturday, November 7, 2026

Timed 8 hours

Icebox 480 - 8 Hour Run

37 days away

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.

44.8614° N, 92.6238° W © OpenFreeMap © OpenMapTiles Data from OpenStreetMap

What the course asks

Field size ~55 Small. Long stretches with nobody in sight.

DUV results for the 2025 edition (8h) — ranked runners only. Starters are not published, so the field was at least this big and no finish rate can be given.

Typical conditions, November

Daytime high 5°C

Night low -4°C

Rainfall Mostly dry

Daylight 9 h 57 m of light

Regional 2001-2020 average for November — NASA POWER, grid elevation 318 m. Not a forecast.

Results history

Year	Race	Finishers	Men's winner	Women's winner
2025	8h	55	Ben Brunner · 74.432 km	Alyssa Breu · 77.811 km
2024	8h	41	Kaden Kohlhepp · 75.478 km	Alyssa Breu · 67.029 km
2023	8h	57	Christian Hall · 81.835 km	Kayla Anderson · 74.432 km
2022	8h	61	Daniel Church · 81.835 km	Maggie Marx · 73.788 km
2021	8h	89	Daniel Domres · 90.123 km	Sarah Trautman · 67.592 km
2020	8h	37	Daniel Domres · 91.394 km	Kaija Staley · 60.929 km
2019	8h	116	Samuel Jacobson · 83.685 km	Laurel Sipe · 69.201 km
2018	8h	118	Jeff Miller · 90.123 km	Jamie Blumentritt · 80.467 km
2017	8h	95	Doug Kleemeier · 85.295 km	Erika Lohn · 70.811 km
2016	8h	119	Tim Hardy · 90.123 km	Erika Lohn · 72.420 km

The field grew 34% between 2024 (41) and 2025 (55). 36% of the 2025 field were women.

DUV results for the 2025 edition (8h) — 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.
GPS Watches Battery life first — an ultra outlasts most full-GPS modes.