10Ks within 50 miles of Arvada, CO
Featured Listing
1. Boulderthon: Downtown Boulder Marathon
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Sep 28, 2025Sunday
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26.2M, 13.1M, 10K, 5K run | kids run
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Boulder, CO
Boulder County, CO
61. Santa Claus Runs
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Dec 14, 2024Saturday
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10K, 5K trail run | kids run
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Louisville, CO
12 miles point to pointBoulder County, CO
62. Candy Cane Run
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Dec 15, 2024Sunday
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10K, 5M, 1M run | kids run
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Westminster, CO
3 miles point to pointAdams County, COJefferson County, CO
63. All-Out Polar Prowl
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Jan 11, 2025Saturday
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13.1M, 10K, 5K run
Virtual OptionMore Information
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Arvada, CO
Jefferson County, CO
64. Arctic Prairie Dog Half - Westminster
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Jan 19, 2025Sunday
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13.1M, 10K, 5K run
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Louisville, CO
12 miles point to pointBoulder County, CO
65. Yeti Chase 5K/10K
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Jan 26, 2025Sunday
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10K, 5K run
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Lakewood, CO
7 miles point to pointJefferson County, CO
66. Old Man Winter Bike Rally and Run
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Feb 2, 2025Sunday
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10K, 5K run
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Lyons, CO
31 miles point to pointBoulder County, CO
67. All-Out Mardi Crawl
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Feb 22, 2025Saturday
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13.1M, 10K, 5K run
Virtual OptionMore Information
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Arvada, CO
Jefferson County, CO
68. Six Pack Series Winter Westminster 5K and 10K
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Feb 22, 2025Saturday
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10K, 5K run
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Westminster, CO
3 miles point to pointAdams County, COJefferson County, CO
69. Time to Paddy 5K/10K and Lucky 13.1
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Mar 1, 2025Saturday
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13.1M, 10K, 5K, 1M run | kids run
Virtual OptionMore Information
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Denver, CO
6 miles point to pointDenver County, CO
70. That Dam Run
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Mar 2, 2025Sunday
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13.1M, 10K, 5K run | kids run
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Cherry Creek State Park, CO
17 miles point to pointArapahoe County, CO
71. Lucky Brew Race
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Mar 15, 2025Saturday
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15K, 10K, 5K run | kids run
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Windsor, CO
48 miles point to pointWeld County, CO
72. All-Out Spring Fever
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Mar 23, 2025Sunday
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13.1M, 10K, 5K run
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Golden, CO
8 miles point to pointJefferson County, CO
73. Spring Fling Prairie Dog Half
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Apr 13, 2025Sunday
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13.1M, 10K, 5K run | kids run
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Arvada, CO
Jefferson County, CO
74. All-Out Beat the Heat
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Apr 19, 2025Saturday
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13.1M, 10K, 5K run
Virtual OptionMore Information
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Boston Marathon Qualifier
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Westminster, CO
3 miles point to pointAdams County, COJefferson County, CO
75. Rock Hawk Trail Races
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Apr 19, 2025Saturday
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50K, 25K, 10K, 5K trail run
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Castle Rock, CO
32 miles point to pointDouglas County, CO
76. NOCO Half Marathon & 10K
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Apr 27, 2025Sunday
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13.1M, 10K run
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Loveland, CO
41 miles point to pointLarimer County, CO
77. Donot Stop
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May 10, 2025Saturday
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10K, 5K, 1M run | kids run
Virtual OptionMore Information
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Thornton, CO
7 miles point to pointAdams County, CO
78. Colorado Women's Classic - Westminster
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May 11, 2025Sunday
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10M, 10K, 5K run | kids run
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Women Only
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Westminster, CO
3 miles point to pointAdams County, COJefferson County, CO
79. Samson's Revenge Trail Race
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May 17, 2025Saturday
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55K, 27K, 10K trail run
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Estes Park, CO
46 miles point to pointLarimer County, CO
80. BOLDERBoulder 10K
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May 26, 2025Monday
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10K run
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Boulder, CO
18 miles point to pointBoulder County, CO
For the love of all that Is good And moisture wicking...
Though we Try To be accurate And On top Of things... Race details can change When we aren't lookin. And once in a while we simply make a mistake.
ALWAYS visit the race's website for the most complete and accurate race information.
ALWAYS visit the race's website for the most complete and accurate race information.