Colorado Cold Rush Ultra

NOV
21
2026
A winter running event in Colorado Springs with three trail distances: 10k, Half Marathon, and 50k. Runners explore historic High Drive and gold rush tunnels on courses with significant elevation. Registration includes a shirt, beanie, and access to well-stocked aid stations.
Sat 21 Nov 2026
50 kilometers Half Marathon 10 kilometers

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Colorado Cold Rush Ultra

The Colorado Cold Rush Ultra is a winter running event that takes place near Colorado Springs, Colorado. The event features three distance options: a 50k, a Half Marathon, and a 10k.

Distances:

  • 50k: An out-and-back course starting at Bear Creek Regional Park. It climbs historic High Drive, continues on Gold Camp Road, and turns around at the intersection of Gold Camp and Old Stage Road.
  • Half Marathon: An out-and-back course that goes up and over historic High Drive.
  • 10k: Explores lower elevation sections of the route on 100% dirt trails, with slightly technical footing on the out-and-back section.

The courses run along historic High Drive and through tunnels associated with the Colorado gold rush. They feature diverse terrain and views of Colorado Springs. The 50k has an elevation gain of about 5,500 feet, ranging from 6,175 to 9,090 feet.

Registration includes a gender-specific race shirt, a BOCO Performance beanie, a personalized bib, a finisher's award, access to stocked aid stations, and a post-race meal. Aid stations offer Tailwind nutrition, Muir Energy gels, snacks, fruit, and soda. The Cheyenne Cañon aid station also serves warm food like bacon, quesadillas, and potatoes.

Packet pickup is available the day before the event at the Colorado Running Company and on race day at Bear Creek Regional Park. The event is based at Bear Creek Regional Park, which has ample parking. Visit the organization's website for the most recent information.

50 km
50k
Half Marathon
Half Marathon
10 km
10k