Colorado Cold Rush Ultra
Nov 21Colorado Springs, CO50K, Half Marathon +1
Also 50K, 34 mi from Bridge Burner Ultra
Listed from UltraSignup. Checked Oct 20, 2026.
7 aid stations are already loaded. Add cutoffs, pacing and the timeline your crew follows. Crew invites and race-day updates come with a Race Pass.
Build my planA scenic single-loop race starting in Canon City, Colorado, tracing along the Arkansas River and through historic Tunnel Drive tunnels, ascending to 7,109 feet for panoramic views of Royal Gorge and Pikes Peak. Offered in 35 Mile, 50K, 35K, and 10K distances with only 4,500 feet of elevation gain.
Early ends
May 31, 2026
Registration closes
Oct 20, 2026
Race day
Oct 24, 2026
35 Miler
Standard (after May 31)
$160
50K
Standard (after May 31)
$150
35K
Standard (after May 31)
$120
10K
Standard (after May 31)
$60
Registration openings and major changes, like a new date or a cancellation.
| Station | Distance | Crew | Drop bags | Cutoff | Supplies |
|---|---|---|---|---|---|
Start: Centennial Park Start/finish line at Centennial Park, Canon City. 35 Mile/50K start at 8:30 AM. | 0.00 miles | -- | TailwindMuir Energy Gelsbanana breadsweet and salty snacks+6 | ||
Tunnel No crew access. Appears in all distances (10K, 35K, 50K, 35 Mile). | 3.50 miles | -- | TailwindMuir Energy Gelsbanana breadsweet and salty snacks+2 | ||
Gorge (Outbound) Crew accessible, drop bags allowed. Appears in 35K, 50K, and 35 Mile courses. Royal Gorge Park East Ridge Campground is within walking distance. | 8.70 miles | -- | TailwindMuir Energy Gelsbanana breadsweet and salty snacks+6 | ||
Gorge (Return) Crew accessible, drop bags allowed. Cutoff of 1:30 PM applies to 35K course. Also appears in 35 Mile course at mile 13.4 with no listed cutoff. | 13.40 miles | 1:30 PM | TailwindMuir Energy Gelsbanana breadsweet and salty snacks+6 | ||
Temple Crew accessible, drop bags allowed. Cutoff 2:30 PM. Accessible via Highway 50. Distance shown is for 35 Mile course (mile 21.0); appears at mile 16.4 in 50K course. | 21.00 miles | 2:30 PM | TailwindMuir Energy Gelsbanana breadsweet and salty snacks+6 | ||
Hard Times Crew accessible, drop bags allowed. Accessible via Highway 50. Distance shown is for 35 Mile course (mile 28.7); appears at mile 24.1 in 50K course. Do not drive Temple Canon Rd from Temple to Hard Times to avoid dusting out runners. | 28.70 miles | -- | TailwindMuir Energy Gelsbanana breadsweet and salty snacks+6 | ||
Finish: Centennial Park Finish line at Centennial Park. Course closes at 6:00 PM. Distance of 35.5 miles is from the 35 Mile aid station chart; 50K finish listed at 30.9 miles. | 35.50 miles | 6:00 PM | -- |
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Nov 21Colorado Springs, CO50K, Half Marathon +1
Also 50K, 34 mi from Bridge Burner Ultra
Dec 5Pine, CO50K, 16 mi +1
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Straight-line distance
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