Colorado Cold Rush
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Colorado Cold Rush (January 18, 2026)
The Colorado Cold Rush is a winter road race held on January 18, 2026, in Louisville, Colorado. The start and finish are at Coal Creek Golf Course, 585 Dillon Rd, Louisville, CO 80027. The course runs through neighborhoods, past fairways and along ponds and open spaces. The event is a refreshed version of a previous race; it was once the Arctic Prairie Dog Half Marathon, 10k and 5k, and 2026 is the inaugural year of the new format. The race partners with Community Food Share of Louisville for charity fundraising; the page shows $302 raised toward a $1,000 goal.
Race details
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5k
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10k
Entry fees listed are $45 for the 5k and $50 for the 10k. Included with registration are a warm winter knit beanie, knit running gloves, a hot finish line beverage and snacks, and chip timing for results. The event materials describe variable winter weather conditions typical for January in Colorado. Visit the organization's website for the most recent information.
