La Grange, WI, United States · Saturday, May 8, 2027

Fixed Distance 50K

Ice Age Trail 50 km Run

220 days away

50 km Distance

not publishedn/a Climbing

2.5 est Grit · Entry level

Calculated from 50 km alone — the organiser has not published an elevation profile. Read 2.5 as a floor, not a verdict.

41.8050° N, 87.8692° W © OpenFreeMap © OpenMapTiles Data from OpenStreetMap

What the course asks

Field size ~239 Large. Rarely out of sight of another runner.

DUV results for the 2026 edition (50km) — finishers only. Starters are not published, so the field was at least this big and no finish rate can be given.

Typical conditions, May

Daytime high 21°C

Night low 9°C

Rainfall Showers likely

Daylight 14 h 16 m of light

Regional 2001-2020 average for May — NASA POWER, grid elevation 231 m. Not a forecast.

Results history

Year	Race	Finishers	Men's winner	Women's winner
2026	50km	239	Jake Erschen · 04:00:49	Lauren Boudreau · 05:06:32
2025	50km	207	Timothy Parr · 03:41:43	Gracia Sich · 04:21:23
2024	50km	227	Dana Riederer · 04:13:09	Caroline Green · 04:58:40
2023	50km	252	Tyler Morey · 03:38:40	Rachel Weber · 04:50:16
2022	50km	198	David Ross · 04:31:37	Margaret Ho · 04:41:29
2021	50km	128	Sam Hall · 04:31:16	Aygul Hoffman · 05:30:24
2019	50km	242	Scott Gall · 03:52:17	Andrija Barker · 04:04:13
2018	50km	201	Patrick Jenkins · 03:32:57	Jessica Hruska · 04:25:53
2017	50km	211	John Arndt · 04:15:59	Jacqueline Merritt · 04:10:41
2016	50km	209	Brian Condon · 03:54:53	Emily Renner · 04:24:30

The field grew 15% between 2025 (207) and 2026 (239). 43% of the 2026 field were women.

DUV results for the 2026 edition (50km) — 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

👟 gear

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

By UltraHub Expert

Gear for this race

Chosen for 50 km of trail.

Trail Running Shoes 50 km of trail — cushioning that is still there in the last quarter.
Race Nutrition 50 km of self-supported fuelling between aid stations.
Hydration Vests Flask capacity for 50 km, without the bounce.
GPS Watches Battery life first — a 50 km day outlasts most full-GPS modes.

Adidas

Terrex Speed Ultra

RunRepeat found the Adidas Terrex Speed Ultra to have a grippy outsole and great lockdown, while iRunFar noted that the shoe works on a variety of trail conditi…

★★★★★ 4.5

Adidas

Terrex Agravic Speed Ultra

RunRepeat found the Adidas Terrex Agravic Speed Ultra to be perfect for midfoot and forefoot strikers, while iRunFar noted that the shoe feels incredibly effici…

★★★★★ 4.5

Skratch Labs