Upcoming Races within 100 miles of Longmont, CO
Event Category
Click Here to find out what Classic, Multisport, and Variety mean.
To narrow your search by a distance or event type, you will need to select Classic, Multisport, or Variety first.
To narrow your search by a distance or event type, you will need to select Classic, Multisport, or Variety first.
City Location
1. Earth Day 5K/10K
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Apr 20, 2024Saturday
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10K, 5K run | kids run
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Loveland, CO
16 miles point to pointLarimer County, CO
2. Five Star Fun Run and 5K
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Apr 20, 2024Saturday
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5K, 1M run
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Brighton, CO
19 miles point to pointAdams County, CO
3. Great Western Trail Race
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Apr 20, 2024Saturday
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13.1M, 10K, 5K run | kids run
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Severance, CO
28 miles point to pointWeld County, CO
4. Healthy Kids Running Series - Fort Collins
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Apr 20, 2024Saturday
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kids run
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Fort Collins, CO
29 miles point to pointLarimer County, CO
5. South Boulder Creek parkrun
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Apr 20, 2024Saturday
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5K run
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Boulder, CO
14 miles point to pointBoulder County, CO
6. Time Travel Half Marathon
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Apr 20, 2024Saturday
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13.1M, 10K, 5K run
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Westminster, CO
23 miles point to pointAdams County, COJefferson County, CO
7. Blue Heron Half and 5K
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Apr 21, 2024Sunday
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13.1M, 5K run
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Brighton, CO
19 miles point to pointAdams County, CO
8. Colorado Brewery Running Series
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Apr 21, 2024Sunday
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5K run
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Longmont, CO
Boulder County, CO
9. Healthy Kids Running Series - Aurora
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Apr 21, 2024Sunday
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kids run
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Aurora, CO
33 miles point to pointArapahoe County, CO
10. Healthy Kids Running Series - Denver
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Apr 21, 2024Sunday
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kids run
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Denver, CO
30 miles point to pointDenver County, CO
11. Rockin' on the River 5K
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Apr 21, 2024Sunday
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5K run
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Littleton, CO
38 miles point to pointArapahoe County, CO
12. The Mile High 4.20K
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CancelledApr 21, 2024Sunday
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4.2K run
Virtual OptionMore Information
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Denver, CO
30 miles point to pointDenver County, CO
13. Time Travel Half Marathon - Colorado Springs
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Apr 21, 2024Sunday
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13.1M, 10K, 5K, 1M run
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Colorado Springs, CO
93 miles point to pointEl Paso County, CO
14. Unicorn 5K
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Apr 21, 2024Sunday
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5K, 0.5M run
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Denver, CO
30 miles point to pointDenver County, CO
15. Alpine Autism Center Run for the One 5K
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Apr 27, 2024Saturday
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5K run
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Colorado Springs, CO
93 miles point to pointEl Paso County, CO
16. Cheyenne Mountain Trail Race
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Apr 27, 2024Saturday
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50K, 25K, 10K trail run
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Colorado Springs, CO
93 miles point to pointEl Paso County, CO
17. Fight for Air Climb - Denver
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Apr 27, 2024Saturday
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stair climb
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Denver, CO
30 miles point to pointDenver County, CO
18. Healthy Kids Running Series - Fort Collins
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Apr 27, 2024Saturday
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kids run
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Fort Collins, CO
29 miles point to pointLarimer County, CO
19. NOCO Half Marathon & 10K
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Apr 27, 2024Saturday
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13.1M, 10K run
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Loveland, CO
16 miles point to pointLarimer County, CO
20. Rock Hawk Trail Races
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Apr 27, 2024Saturday
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13.1M, 10K, 5K trail run
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Castle Rock, CO
56 miles point to pointDouglas 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.