Dawn to Dusk Endurance Run 15:30 Hour

Race completed

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.

44.0661° N, 87.8843° W © OpenFreeMap © OpenMapTiles Data from OpenStreetMap

What the course asks

Time limit 15.5 hours 18:36 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 Climbing is unpublished, so this pace is a ceiling on the effort, not a measure of it. Among the most forgiving 50K cut-offs we track. Measured against 1034 races of the same distance. Cut-off calculator →

Field size ~17 Tiny. You will run alone for most of it.

DUV results for the 2026 edition (15:30h) — finishers only. Starters are not published, so the field was at least this big and no finish rate can be given.

Typical conditions, June

Daytime high 23°C

Night low 13°C

Rainfall Showers likely

Daylight 15 h 29 m of light

Regional 2001-2020 average for June — NASA POWER, grid elevation 260 m. Not a forecast.

Results history

Year	Race	Finishers	Men's winner	Women's winner
2026	15:30h	17	Michael Loritz · 124.482 km	Nicole Strutz · 106.538 km
2025	15:30h	17	John Rappel · 113.861 km	Kelsey Leden · 102.515 km
2024	15:30h	19	Alex Walschinski · 109.837 km	Nicole Strutz · 95.192 km
2023	15:30h	16	Joseph Buzzi · 108.630 km	Katie Theobald · 65.178 km
2022	15:30h	14	Jeff Siebold · 113.297 km	Anna Twinem · 92.054 km
2021	15:30h	32	Jack Meixelsperger · 107.021 km	Natalie Weeks · 84.490 km
2019	15:30h	67	Gary Brown · 139.047 km	Diana Angel · 116.114 km
2018	15:30h	64	Mark Jasper · 128.747 km	Relena Del Toro Ribbons · 117.482 km
2017	15:30h	51	Mark Jasper · 152.887 km	Andrea Dobogai · 116.114 km
2016	15:30h	28	Brian Henn · 100.825 km	Alisha Damrow · 137.598 km

The field has held steady: 17 in 2025, 17 in 2026. 29% of the 2026 field were women.

DUV results for the 2026 edition (15:30h) — 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.
Headlamps A 15.5 h limit puts you out there after dark.
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

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