Upcoming Races in Larimer County, CO on Sundays
Loveland, CO
Crazy Legs 10K+ Trail Run
Jun 2, 2024
Honey Bee Hustle
Sep 8, 2024
Last Call Triathlon
Sep 29, 2024
Narrowleaf Lake Run
Oct 27, 2024
Estes Park, CO
Estes Park Marathon
Jun 16, 2024
Jun 15, 2024
Fort Collins, CO
Flying Pig 5K
Apr 28, 2024
Colorado Marathon
May 5, 2024
Healing Warriors Program 5K Fun Run
May 19, 2024
Fall Equinox Marathon
Sep 22, 2024
Colorado Brewery Running Series
Oct 6, 2024
Horsetooth Half Marathon
Apr 13, 2025
Red Feather Lakes, CO
Red Feather Trail Jamboree
Sep 21, 2024
Sep 20, 2024
Sep 22, 2024
Sat | Sun | Mon | Tue | Wed | Thu | Fri | Multiple |
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.
1. Flying Pig 5K
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Apr 28, 2024Sunday
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5K run | kids run
More Information
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Fort Collins, CO
Larimer County, CO
2. Colorado Marathon
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May 5, 2024Sunday
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26.2M, 13.1M, 10K, 5K run | 26.2M relay
More Information
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Boston Marathon Qualifier
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Fort Collins, CO
Larimer County, CO
3. Healing Warriors Program 5K Fun Run
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May 19, 2024Sunday
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5K run
More Information
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Fort Collins, CO
Larimer County, CO
4. Crazy Legs 10K+ Trail Run
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Jun 2, 2024Sunday
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10K trail run
More Information
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Loveland, CO
Larimer County, CO
5. Estes Park Marathon
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Jun 16, 2024Sunday
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26.2M, 13.1M run
Virtual OptionMore Information
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Estes Park, CO
Larimer County, CO
6. Honey Bee Hustle
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Sep 8, 2024Sunday
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1.5H run
More Information
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Loveland, CO
Larimer County, CO
7. Fall Equinox Marathon
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Sep 22, 2024Sunday
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26.2M, 13.1M, 5M run
Virtual OptionMore Information
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Boston Marathon Qualifier
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Fort Collins, CO
Larimer County, CO
8. Red Feather Trail Jamboree
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Sep 22, 2024Sunday
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13.1M trail run
More Information
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Red Feather Lakes, CO
Larimer County, CO
9. Last Call Triathlon
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Sep 29, 2024Sunday
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sprint, supersprint triathlon | sprint triathlon relay | sprint duathlon | sprint duathlon relay | sprint aquathon
More Information
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Loveland, CO
Larimer County, CO
10. Colorado Brewery Running Series
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Oct 6, 2024Sunday
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13.1M, 5K run
More Information
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Fort Collins, CO
Larimer County, CO
11. Narrowleaf Lake Run
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Oct 27, 2024Sunday
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10M, 7M, 4M run | kids run
More Information
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Loveland, CO
Larimer County, CO
12. Horsetooth Half Marathon
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Apr 13, 2025Sunday
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13.1M run
More Information
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Fort Collins, CO
Larimer 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.