Running races in Colorado in Jan 2027

8 races in date order

EmpoweRun 5K
January 2027 · Leadville, CO · 5K

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Polar Bear 5K
Sun 17 Jan 2027 · Denver, CO · 5K

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Colorado Cold Rush
Sun 17 Jan 2027 · Louisville, CO · 10K · 5K

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Chilly Willy 5K/10K/Half Marathon - Colorado Springs
Sat 23 Jan 2027 · Colorado Springs, CO · Half Marathon · 10K · 5K

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Freakin Freezin 5K - Denver
Sun 24 Jan 2027 · Denver, CO · 5K

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Polar Bear Run and Plunge
Sun 24 Jan 2027 · Fort Collins, CO · 5K Run/Walk
A frosty run around Horsetooth Reservoir, then a plunge

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Yeti Chase 5K & 10K
Sun 24 Jan 2027 · Lakewood, CO · 10K · 5K
Second leg of a three-race Winter Running Series

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Love 'em or Leave 'em Valentine's Day 5K/10K
January 2027 · Parker, CO · 10K · 5K
Cupid-themed 5K/10K through Parker, Colorado

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← Colorado Oct Nov Dec Feb 2027 Mar 2027 Apr 2027 May 2027 Jun 2027 Jul 2027 Aug 2027 Sep 2027 Oct 2027

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Every race here is published by its organiser; RunCalendar checks the date and the entry window against the organiser's own page and rebuilds this calendar every night. A confirmed date shows its day; a provisional one shows only its month. Last updated 22 October 2026.