Ultra Running Hub Marquette, KS, United States · Saturday, April 3, 2027
Fixed Distance 50K
Rockin-K Trail 50 km
139 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.
What the course asks
Time limit 12 hours
14:24 min/km average. Comfortable. Climbing is unpublished, so this pace is a ceiling on the effort, not a measure of it. More forgiving than 74% of 50K races. Measured against 1105 races of the same distance. Cut-off calculator →
Field size ~35 Small. Long stretches with nobody in sight.
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, April
Daytime high 7°C
Night low -1°C
Rainfall Mostly dry
Daylight 12 h 52 m of light
Regional 2001-2025 average for April — NASA POWER, grid elevation 313 m. Not a forecast.
Results history
| Year | Race | Finishers | Men's winner | Women's winner |
|---|---|---|---|---|
| 2026 | 50km | 35 | John Murphy Iii · 04:42:22 | Kylie Sherwood · 06:37:42 |
| 2025 | 50km | 27 | Cory Logsdon · 04:46:36 | Andrea Carter · 06:09:16 |
| 2024 | 50km | 34 | Cory Logsdon · 04:30:55 | Mindy Coolman · 06:24:23 |
| 2023 | 50km | 26 | Matthew Becker · 05:56:40 | April Calaway · 06:22:55 |
| 2022 | 50km | 40 | David Hoff · 04:55:31 | Andrea Carter · 05:50:37 |
| 2021 | 50km | 27 | Brady Poskin · 04:46:43 | Mindy Coolman · 06:02:48 |
The field grew 30% between 2025 (27) and 2026 (35). 34% 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.
Course notes
- gear With trail terrain, choose a shoe with moderate cushioning for optimal performance.
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 12 h limit puts you out there after dark.
- GPS Watches Battery life first — a 50 km day outlasts most full-GPS modes.
Similar races
Other 50K trail ultras, closest in distance first.