Race calendar · January 2027 · Colorado

Half Marathons in Colorado in January 2027

Every Half Marathon in Colorado in January 2027, all 6 of them, sorted by date. Dates, entry fees, finish-time stats from past results, and start-line maps.

5K Races in January10K Races in JanuaryMarathons in ColoradoUltramarathons in ColoradoNew Year's 5Ks and Races in Colorado

When in January

The January Race Weekends

Half marathons are not spread evenly across January. Here is how the calendar actually falls, weekend by weekend, which is the part worth knowing before you book a trip or plan a taper around one.

  1. Jan 9 - Jan 101
  2. Jan 16 - Jan 172
  3. Jan 23 - Jan 241
  4. Jan 30 - Jan 312

By the numbers

The Biggest Field

The largest field of any January Half Marathon in Colorado, from the most recent published results.

Largest field170 finishersAll-Out Polar Prowlin the 5K

Colorado Half Marathons by City in January

Centennial 4Arvada 1Colorado Springs 1
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All Half Marathons in Colorado in January

6 total
Sat, Jan 9, 2027All-Out Polar Prowl Arvada, COHalf Marathon10K5KFrom $80Details Sat, Jan 16, 2027MLK Jr. Freedom Run 5K/10K/13.1 DENVER/AURORA Centennial, CO5K10KHalf Marathon1 MileFrom $45Register Sat, Jan 16, 2027Sunrise Marathon 5K/10K/13.1 DENVER/AURORA Centennial, CO5K10KHalf Marathon1 MileFrom $45Register Sat, Jan 23, 2027Chilly Willy 5K/10K/Half Marathon - Colorado Springs Colorado Springs, CO5K10KHalf Marathon13.1KFrom $55Details Sat, Jan 30, 2027Coffee Lovers Run DENVER/AURORA Centennial, CO5K10KHalf Marathon1 MileFrom $45Register Sat, Jan 30, 2027Run for Donuts DENVER/AURORA Centennial, CO5K10KHalf Marathon1 MileFrom $45Register

Half Marathons in Other Months

FebruaryMarchAprilMayJuneJulyAugustSeptemberOctoberNovemberDecember