Ultra Running Hub Brighton, MI, United States · Saturday, May 15, 2027
Fixed Distance 100K
Badlands Overnight 100K
182 days away
100 km Distance
not publishedn/a Climbing
5.0 est Grit · Challenging
Calculated from 100 km alone — the organiser has not published an elevation profile. Read 5.0 as a floor, not a verdict.
What the course asks
Time limit 18 hours
10:48 min/km average. Comfortable. Climbing is unpublished, so this pace is a ceiling on the effort, not a measure of it. About average for a 100K. Measured against 237 races of the same distance. Cut-off calculator →
Field size ~21 Small. Long stretches with nobody in sight.
DUV results for the 2026 edition (100km) — 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 20°C
Night low 8°C
Rainfall Showers likely
Daylight 14 h 35 m of light
Regional 2001-2025 average for May — NASA POWER, grid elevation 267 m. Not a forecast.
Results history
| Year | Race | Finishers | Men's winner | Women's winner |
|---|---|---|---|---|
| 2026 | 100km | 21 | Matt Ramiller · 09:01:00 | Margaret (Joey) Retsema · 12:01:00 |
24% of the 2026 field were women.
DUV results for the 2026 edition (100km) — 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.
- nutrition For 100km+ efforts, prioritize real food at aid stations to prevent palate fatigue.
Gear for this race
Chosen for 100 km of trail.
- Trail Running Shoes 100 km of trail — cushioning that is still there in the last quarter.
- Race Nutrition Past 100 km the palate quits before the legs do — carry more than one flavour.
- Hydration Vests Flask capacity for 100 km, without the bounce.
- Headlamps A 18 h limit puts you out there after dark.
- Accessories Chafe and blisters end more 100 km races than fitness does.
Similar races
Other 100K trail ultras, closest in distance first.