RunRace USA › Colorado › Move through the Darkness Challenge
Move through the Darkness Challenge
Windsor, Colorado · Tuesday, December 1, 2026 · 100 Mile, 200 Miles
Official race page & registration ↗Move through the Darkness Challenge takes place on Tuesday, December 1, 2026 in Windsor, Colorado. The race offers 2 distances: 100 Mile, 200 Miles. For anyone travelling in, Greeley is about 11 miles away and Fort Collins is about 12 miles away.
It is one of 40 races on the Colorado calendar that December. Unusually for a race, it falls on a Tuesday.
- Date
- Tuesday, December 1, 2026
- Location
- Windsor, Colorado
- Distances
- 100 Mile, 200 Miles
- Registration
- listed as closed
Listing from the 2026 race calendar, refreshed nightly. Details can change: confirm date and entry on the official race page before travelling. Spot an error? Tell us here.
Making a race weekend of it?
Stay near the start line in Windsor: check in Nov 30, out Dec 2.
Common questions
When is Move through the Darkness Challenge?
Move through the Darkness Challenge is scheduled for Tuesday, December 1, 2026.
Where is Move through the Darkness Challenge held?
Move through the Darkness Challenge is held in Windsor, Colorado. It is about 11 miles from Greeley and 12 miles from Fort Collins.
What distances does Move through the Darkness Challenge offer?
The listed distances are 100 Mile, 200 Miles.
How do I register for Move through the Darkness Challenge?
Registration is handled on the official race page, linked at the top of this listing. Entry can close early if the race sells out.
More races nearby
Within about 60 miles, ordered by approximate straight-line distance between listed locations.
- Nov 26Pelican Lakes Turkey TrotWindsor, CO
- Dec 12Santa Catch 5k & 10kWindsor, CO
- Dec 31run.Windsor Gift CardsWindsor, CO
- Mar 14Lucky Brew Race 5K, 10K, 15k & Half MarathonSeverance, CO
- Jun 19Red, White and Brew 5k, 10k & Half MarathonWindsor, CO
See every race on the Colorado calendar, Colorado Ultras, or use the Race Finder for maps and filters.