Colorado · 50K · 1/2 Marathon · 10K
Colorado Cold Rush Ultra
Colorado Cold Rush Ultra is a 50K, 1/2 Marathon and 10K event held in Colorado Springs, Colorado. Its next confirmed date is Saturday, November 21, 2026. About 150 runners take part across all distances.
- Race day
- November 21, 2026
- Location
- Colorado Springs, CO
- Field size
- ~150 runners
Race details
- Date
- Saturday, November 21, 2026
- Location
- Colorado Springs, Colorado
- Distances
- 50K, 1/2 Marathon, 10K
- Field size
- About 150 runners
- Course
- Winter trail race on historic High Drive and Gold Camp Road above Colorado Springs: 50K climbs from ~6,175 ft to 9,090 ft (~5,500 ft gain); half marathon ~2,847 ft gain; 10K ~912 ft gain
- Registration
- ultrasignup.com
- Official website
- revenantrunning.com
Registration, course & weather
- Registration status
- Open
- Entry fee
- Listed fee for the longest distance, $145 (from ultraracecalendar.com, checked September 26, 2026)
- Start time
- 8:00 AM MST
- Course profile — 50K
- Out-and-back course; Mostly trail, some road; 5500 ft gain, 5500 ft loss (estimated from third-party elevation data); Not USATF certified
- Course profile — Half Marathon
- Out-and-back course; Mostly trail, some road; 2847 ft gain, 2847 ft loss (estimated from third-party elevation data); Not USATF certified
- Course profile — 10K
- Out-and-back course; Trail surface; 912 ft gain, 912 ft loss (estimated from third-party elevation data); Not USATF certified
- Typical race-day weather
- about 32°F at the start, 85% humidity, 4 mph wind (based on the 2025 race day, measured near the city center rather than the exact start line; Open-Meteo, checked September 26, 2026)
About the Colorado Cold Rush Ultra
Colorado Cold Rush Ultra is a late-November trail race in Colorado Springs with 50K, half marathon, and 10K options that start and finish at Bear Creek Regional Park. The 50K and half marathon climb historic High Drive and Gold Camp Road above the city, with cold conditions and a real chance of snow at higher elevations, while the 10K stays on lower dirt trail. Aid stations are stocked with Tailwind and Muir Energy products, with hot food served at the Cheyenne Canon stop.
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Guides from the RaceRove blog
- 8 min read How to Choose the Best Half Marathon for a PR, Racecation or 50-State Challenge The best half marathon depends on what you want from it. How to choose a course for a personal record, a race worth travelling for, or an efficient stop on a 50-state challenge.
- 7 min read How to Find a 5K, 10K, Half Marathon or Marathon Near You A practical way to find running races near you: pick a distance, decide how far you'll travel, read the listing properly and confirm the details before you register.
- 9 min read How to Run a Race in All 50 States How to plan a 50-state running challenge: set your own rules, group states into trips, build a calendar around the seasons, budget for it and keep track of every finish.
- Blog All guides Planning advice for finding, choosing and travelling to races.
Colorado Cold Rush Ultra: common questions
- When is the Colorado Cold Rush Ultra?
- The next confirmed date is Saturday, November 21, 2026.
- Where is the Colorado Cold Rush Ultra held?
- In Colorado Springs, Colorado.
- What distances does the Colorado Cold Rush Ultra offer?
- 50K, 1/2 Marathon and 10K.
- How many people run the Colorado Cold Rush Ultra?
- About 150 runners across all of its distances. That figure is an estimate of the field size, not an entry cap.
- How do I register for the Colorado Cold Rush Ultra?
- Registration is handled by the organiser at ultrasignup.com. Entry fees, caps and deadlines are set there.
- Is registration open for the Colorado Cold Rush Ultra?
- Yes — registration is open. Listed fee for the longest distance, $145 (from ultraracecalendar.com, checked September 26, 2026).
- What time does the Colorado Cold Rush Ultra start?
- 8:00 AM MST.
- What is race-day weather usually like at the Colorado Cold Rush Ultra?
- about 32°F at the start, 85% humidity, 4 mph wind (based on the 2025 race day, measured near the city center rather than the exact start line; Open-Meteo, checked September 26, 2026).
Plan this race in RaceRove
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