Course map, elevation profile & surface
Distance
30.3mi
Elev gain
5,202ft
Elev loss
5,202ft
High point
9,090ft
Low point
6,175ft
Effective oxygen
71–80%of sea level
Surface
81% gravel
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About this course
Colorado Cold Rush Ultra 50K — 2026 covers 30.3 mi (48.7 km) with 5,202 ft of elevation gain through Colorado, United States. The interactive map above shows the full route with its elevation profile and aid stations, built from the course's GPS file.
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