Colorado Springs, CO, United States · Saturday, November 21, 2026

Fixed Distance 50K

Colorado Cold Rush Ultra

46 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.

38.8339° N, 104.8214° W © OpenFreeMap © OpenMapTiles Data from OpenStreetMap

What the course asks

Field size ~115 Mid-sized. Company early, well spread out by halfway.

DUV results for the 2025 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, November

Daytime high 8°C
Night low -5°C
Rainfall Dry — rain unlikely
Daylight 9 h 55 m of light

Regional 2001-2020 average for November — NASA POWER, grid elevation 2372 m. Not a forecast.

Results history

Year Race Finishers Men's winner Women's winner
2025 50km 115 Joe Lange · 03:54:49 Kristina Chang · 05:10:31
2024 50km 39 Joe Lange · 05:26:16 Maddie Thouin · 07:17:43
2023 50km 78 Scott Schrader · 03:57:12 Chloe Boehlke · 05:04:07
2022 50km 52 Bradley Duplant · 04:17:27 Taylor Juran · 04:26:22

The field grew 195% between 2024 (39) and 2025 (115). 30% of the 2025 field were women.

DUV results for the 2025 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.
  • GPS Watches Battery life first — a 50 km day outlasts most full-GPS modes.
All gear guides →

Similar races

Other 50K trail ultras, closest in distance first.