Ultra Running Hub Greely, CO, United States · Sunday, April 11, 2027
Fixed Distance 50 mi
NoCo Urban Ultra and Relay
175 days away
80 km Distance
not publishedn/a Climbing
4.0 est Grit · Challenging
Calculated from 80 km alone — the organiser has not published an elevation profile. Read 4.0 as a floor, not a verdict.
What the course asks
Field size ~23 Small. Long stretches with nobody in sight.
DUV results for the 2026 edition (50mi) — 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 16°C
Night low 0°C
Rainfall Mostly dry
Daylight 13 h 04 m of light
Regional 2001-2020 average for April — NASA POWER, grid elevation 1773 m. Not a forecast.
Results history
| Year | Race | Finishers | Men's winner | Women's winner |
|---|---|---|---|---|
| 2026 | 50mi | 23 | Richard Czaikowski · 07:47:22 | Brittany Vandermark · 10:57:04 |
| 2025 | 50mi | 30 | Andrew Peetoom · 08:03:12 | Lauren Boldt · 08:01:02 |
The field shrank 23% between 2025 (30) and 2026 (23). 17% of the 2026 field were women.
DUV results for the 2026 edition (50mi) — 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 80 km of trail.
- Trail Running Shoes 80 km of trail — cushioning that is still there in the last quarter.
- Race Nutrition 80 km of self-supported fuelling between aid stations.
- Hydration Vests Flask capacity for 80 km, without the bounce.
- Headlamps 80 km almost certainly means running into the night.
- GPS Watches Battery life first — a 80 km day outlasts most full-GPS modes.
Similar races
Other 50 mi trail ultras, closest in distance first.