Colorado · 35 Miler · 50K · 35K

Bridge Burner Ultra

Bridge Burner Ultra is a 35 Miler, 50K, 35K and 10K event held in Canon City, Colorado. It was last held on October 24, 2026 and is usually run in October; the next date hasn't been announced yet. About 119 runners take part across all distances.

Usually held
October
Location
Canon City, CO
Field size
~119 runners

Race details

Last held
October 24, 2026
Usually held in
October
Distances
35 Miler, 50K, 35K, 10K
Field size
About 119 runners
Course
Hilly singletrack; ~4,500 ft gain on the 35 Mile route and ~3,500 ft on the 50K, climbing to a high point of 7,109 ft.
Registration
ultrasignup.com
Official website
revenantrunning.com

Registration, course & weather

Start time
8:45 AM MDT
Course profile — 35K
Loop course; Mostly trail, some road; Not USATF certified
Course profile — 35 Miler
Loop course; Mostly trail, some road; 4300 ft gain, 4300 ft loss (estimated from third-party elevation data); Not USATF certified
Course profile — 50K
Loop course; Mostly trail, some road; 3500 ft gain, 3500 ft loss (estimated from third-party elevation data); Not USATF certified
Course profile — 10K
Loop course; Mostly trail, some road; Not USATF certified
Typical race-day weather
about 43°F at the start, 56% humidity, 11 mph wind (based on the 2025 race day, measured near the city center rather than the exact start line; Open-Meteo, checked September 25, 2026)

About the Bridge Burner Ultra

Bridge Burner Ultra is a single-loop trail race in Cañon City, CO, run through the granite-blasted tunnels of Tunnel Drive and the singletrack of Royal Gorge Mountain Park, climbing to a 7,109 ft high point with views of the Royal Gorge and Pikes Peak before crossing the highest bridge in the US and descending through Temple Canyon. Distances range from a 10K to a 35 Mile "Grand Tour."

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Bridge Burner Ultra: common questions

When is the Bridge Burner Ultra?
The next date hasn't been announced in the listing yet. The race is usually held in October. Check the organiser's website for the official date.
Where is the Bridge Burner Ultra held?
In Canon City, Colorado.
What distances does the Bridge Burner Ultra offer?
35 Miler, 50K, 35K and 10K.
How many people run the Bridge Burner Ultra?
About 119 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 Bridge Burner Ultra?
Registration is handled by the organiser at ultrasignup.com. Entry fees, caps and deadlines are set there.
Is registration open for the Bridge Burner Ultra?
Registration status as last checked September 25, 2026: open. Listed fee for the longest distance, $140 (from ultrasignup.com, checked September 25, 2026).
What time does the Bridge Burner Ultra start?
8:45 AM MDT.
What is race-day weather usually like at the Bridge Burner Ultra?
about 43°F at the start, 56% humidity, 11 mph wind (based on the 2025 race day, measured near the city center rather than the exact start line; Open-Meteo, checked September 25, 2026).