Kalamazoo, MI, United States · Saturday, April 10, 2027

Fixed Distance 50K

Kal-Haven Trail Run

149 days away

54 km Distance

not publishedn/a Climbing

2.7 est Grit · Entry level

Calculated from 54 km alone — the organiser has not published an elevation profile. Read 2.7 as a floor, not a verdict.

42.2917° N, 85.5872° W © OpenFreeMap © OpenMapTiles Data from OpenStreetMap

What the course asks

Time limit 8 hours 8:53 min/km average. Tight. Climbing is unpublished, so this pace is a ceiling on the effort, not a measure of it. Among the tightest 50K cut-offs we track. Measured against 1097 races of the same distance. Cut-off calculator →

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

DUV results for the 2026 edition (33.5mi) — finishers only. Starters are not published, so the field was at least this big and no finish rate can be given.

Typical conditions, April

Daytime high 14°C

Night low 2°C

Rainfall Showers likely

Daylight 13 h 05 m of light

Regional 2001-2020 average for April — NASA POWER, grid elevation 247 m. Not a forecast.

Results history

Year	Race	Finishers	Men's winner	Women's winner
2026	33.5mi	65	Sam Skeels · 03:48:40	Loretta Tobolske-Horn · 04:41:11
2025	33.5mi	67	Jameson Kloeckner · 03:45:37	Kathryn Wilmotte · 04:55:32
2024	33.5mi	41	Ryan Bartlett · 05:03:00	Sarah Sandborn · 04:33:43
2023	33.5mi	59	Aaron Hamman · 03:51:27	Rosa Haag · 04:27:25
2022	33.5mi	34	Matt Ramiller · 04:38:25	Jaime Carson · 05:02:34
2021	33.5mi	78	Brad Schmidt · 03:48:37	Loretta Tobolske-Horn · 04:41:57
2020	33.5mi	73	Bryan Burk · 03:40:49	Joanna White · 04:38:26
2019	33.5mi	74	Sam Skeels · 03:37:18	Rebecca Gast · 04:50:03
2018	33.5mi	102	Nick Arndt · 03:35:33	Elissa Ballas · 04:21:09
2017	33.5mi	127	Francesco Arato · 03:50:44	Jaime Carson · 04:53:03

The field has held steady: 67 in 2025, 65 in 2026. 34% of the 2026 field were women.

DUV results for the 2026 edition (33.5mi) — finishers only. Starters are not published, so the field was at least this big and no finish rate can be given.

Course notes

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

Gear for this race

Chosen for 54 km of trail.

Trail Running Shoes 54 km of trail — cushioning that is still there in the last quarter.
Race Nutrition 54 km of self-supported fuelling between aid stations.
Hydration Vests Flask capacity for 54 km, without the bounce.
GPS Watches Battery life first — a 54 km day outlasts most full-GPS modes.

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

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

Skratch Labs