Greenbush, WI, United States · Sunday, October 11, 2026

Fixed Distance 50K

Glacial Trail 50 km Race

10 days to go

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.

45.0803° N, 68.6509° W © OpenFreeMap © OpenMapTiles Data from OpenStreetMap

What the course asks

Time limit 10 hours 12:00 min/km average. Generous. Walkable throughout for most of the field. Climbing is unpublished, so this pace is a ceiling on the effort, not a measure of it. About average for a 50K. Measured against 1034 races of the same distance. Cut-off calculator →

Field size ~92 Mid-sized. Company early, well spread out by halfway.

DUV results for the 2025 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, October

Daytime high 14°C

Night low 4°C

Rainfall Showers likely

Daylight 11 h 15 m of light

Regional 2001-2020 average for October — NASA POWER, grid elevation 73 m. Not a forecast.

Results history

Year	Race	Finishers	Men's winner	Women's winner
2025	50km	92	Jordan Williams · 04:24:48	Relena Ribbons · 05:13:03
2024	50km	85	Dillon Glamann · 04:48:53	Emily Muhs · 04:36:09
2023	50km	106	Jalen Weyker · 04:16:38	Meg Arts · 05:33:10
2022	50km	93	Nic Giebler · 04:40:45	Aygul Hoffman · 05:24:52
2021	50km	83	Jacob Pellmann · 04:44:23	Sara Rondorf · 05:09:03
2020	50km	68	Nic Giebler · 04:19:09	Natalie Weeks · 05:13:46
2019	50km	95	Martin Erl · 04:00:38	Holly Krajnik · 05:13:42
2018	50km	97	Blake Harris · 03:36:36	Jessica Wallen · 05:13:05
2017	50km	109	David Lenahan · 04:24:53	Relena Del Toro Ribbons · 05:26:08
2016	50km	127	Kevin Lunn · 04:11:52	Rae Bastoni · 04:45:45

The field grew 8% between 2024 (85) and 2025 (92). 38% of the 2025 field were women.

DUV results for the 2025 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.

Brooks

Catamount 3

RunRepeat found the Brooks Catamount 3 to have a cozier upper that enhances the overall fit, though breathability and durability could be better. iRunFar noted…

★★★★★ 4.5

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

Tailwind

Endurance Fuel

All-in-one calorie and electrolyte drink mix. 200 calories per serving.

$25 ★★★★★ 4.8

Salomon

ADV Skin 12

Industry-standard 12L race vest with front flask pockets and minimal bounce.

$180 ★★★★★ 4.8

Suunto

Vertical

Titanium GPS watch with solar charging, offline maps, and 140-hour GPS battery.

$630 ★★★★★ 4.5

All gear guides →

Overview

The Glacial Trail 50 km Race, organised by Badgerland Striders, has a larger field than 76% of its 2662 peer 50k races. This trail race, first held in 2016, takes place in Greenbush, WI, in October.

With a cut-off tighter than 42% of 1022 peer 50k races, runners have 10 hours to complete the 50 km course, requiring a pace faster than 12 minutes per kilometer. The trails feature rolling hills, rocks, and other obstacles within the Wisconsin Kettle Moraine State Forest.

Similar races

Other 50K trail ultras, closest in distance first.