10Ks within 50 miles of Estes Park, CO
Longmont, CO
Longmont Turkey Trot
Nov 11, 2023
Thornton, CO
RMRR Trophy Series - January
Jan 7, 2024
Head and Neck Cancer A Hard Thing to Swallow 5K/10K
May 12, 2024
Greeley, CO
Superhero Event
Sep 21, 2024
Golden, CO
Golden Gallop
Sep 22, 2024
All-Out Kooky-Spooky
Oct 27, 2024
All-Out Spring Fever
Mar 23, 2025
Westminster, CO
Six Pack Summer Series Westminster
Jun 8, 2023
Jun 15, 2023
Jun 29, 2023
Jun 22, 2023
2 more
Time Travel Half Marathon
Apr 20, 2024
Colorado Women's Classic - Westminster
May 12, 2024
All-Out Dog Days
Jul 13, 2024
Summer Sizzler
Jul 21, 2024
Holy Cow Trail Stampede
Aug 10, 2024
Hometown Half Marathon
Aug 11, 2024
All-Out Fall Fest
Sep 14, 2024
Prairie Dog Half and 10K/5K
Sep 28, 2024
Not So Flatt Breast Cancer Awareness Run/Walk
Oct 5, 2024
Spooky Sprint - Denver
Oct 5, 2024
All-Out Fa La La
Dec 7, 2024
Candy Cane Run
Dec 15, 2024
Six Pack Series Winter Westminster 5K and 10K
Feb 22, 2025
All-Out Beat the Heat
Apr 19, 2025
Erie, CO
Eerie Erie
Oct 28, 2023
Louisville, CO
Colorado 13er
Jun 2, 2024
Let Freedom Run
Jul 4, 2024
The Pretzel Run Colorado
Oct 12, 2024
Arctic Prairie Dog Half
Jan 19, 2025
Loveland, CO
Earth Day 5K/10K
Apr 20, 2024
NOCO Half Marathon & 10K
Apr 27, 2024
Toy Drop
Dec 7, 2024
Broomfield, CO
Broomfield Turkey Day 5K/10K
Nov 28, 2024
Arvada, CO
All-Out Summer Breeze
Jun 8, 2024
Father's Day Classic
Jun 16, 2024
All-Out Runapalooza
Aug 3, 2024
10K Turkey Trek & 5K Turkey Trot
Nov 23, 2024
All-Out Polar Prowl
Jan 11, 2025
All-Out Mardi Crawl
Feb 22, 2025
Spring Fling Prairie Dog Half
Apr 13, 2025
Boulder, CO
Boulder Rez Half
Apr 13, 2024
BOLDERBoulder 10K
May 27, 2024
Boulder Sunrise 10K and 5K
Jun 23, 2024
Boulder Rez Marathon
Aug 3, 2024
Boulder Sunset 10K/5K
Aug 24, 2024
Boulderthon: Downtown Boulder Marathon
Sep 29, 2024
Brighton, CO
I Can 5K with Deja Vu 10K
Jul 13, 2024
Windsor, CO
Lucky Brew Race
Mar 16, 2024
Red, White and Brew 5K, 10K & Half Marathon
Jun 22, 2024
Windsor Marathon
Oct 6, 2024
Santa Catch 5K & 10K
Dec 14, 2024
Fort Collins, CO
Colorado Marathon
May 5, 2024
Human Race
Aug 10, 2024
Severance, CO
Great Western Trail Race
Apr 20, 2024
Sat | Sun | Mon | Tue | Wed | Thu | Fri | Multiple |
1. Six Pack Summer Series Westminster
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Past DateJul 20, 2023Thursday
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10K, 5K run
More Information
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Westminster, CO
45 miles point to pointAdams County, COJefferson County, CO
2. Eerie Erie
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Past DateOct 28, 2023Saturday
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10K, 5K run | kids run
More Information
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Erie, CO
34 miles point to pointWeld County, CO
3. Longmont Turkey Trot
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Past DateNov 11, 2023Saturday
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10K, 2M run
More Information
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Longmont, CO
27 miles point to pointBoulder County, CO
4. RMRR Trophy Series - January
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Past DateJan 7, 2024Sunday
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10K, 5K run
More Information
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Thornton, CO
46 miles point to pointAdams County, CO
5. Lucky Lyons
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Past DateMar 9, 2024Saturday
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10K, 5K run
More Information
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Lyons, CO
17 miles point to pointBoulder County, CO
6. Lucky Brew Race
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Past DateMar 16, 2024Saturday
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15K, 10K, 5K run | kids run
More Information
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Windsor, CO
34 miles point to pointWeld County, CO
7. Boulder Rez Half
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Past DateApr 13, 2024Saturday
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13.1M, 10K, 5K run
More Information
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Boulder, CO
28 miles point to pointBoulder County, CO
8. Earth Day 5K/10K
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Past DateApr 20, 2024Saturday
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10K, 5K run | kids run
More Information
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Loveland, CO
24 miles point to pointLarimer County, CO
9. Great Western Trail Race
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Past DateApr 20, 2024Saturday
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13.1M, 10K, 5K run | kids run
More Information
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Severance, CO
37 miles point to pointWeld County, CO
10. Time Travel Half Marathon
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Past DateApr 20, 2024Saturday
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13.1M, 10K, 5K run
More Information
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Westminster, CO
45 miles point to pointAdams County, COJefferson County, CO
11. NOCO Half Marathon & 10K
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Apr 27, 2024Saturday
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13.1M, 10K run
More Information
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Loveland, CO
24 miles point to pointLarimer County, CO
12. 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
28 miles point to pointLarimer County, CO
13. Colorado Women's Classic - Westminster
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May 12, 2024Sunday
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10M, 10K, 5K run | kids run
More Information
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Women Only
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Westminster, CO
45 miles point to pointAdams County, COJefferson County, CO
14. Head and Neck Cancer A Hard Thing to Swallow 5K/10K
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May 12, 2024Sunday
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10K, 5K run
Virtual OptionMore Information
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Thornton, CO
46 miles point to pointAdams County, CO
15. BOLDERBoulder 10K
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May 27, 2024Monday
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10K run
More Information
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Boulder, CO
28 miles point to pointBoulder County, CO
16. Colorado 13er
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Jun 2, 2024Sunday
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13.1M, 10K, 5K run
More Information
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Louisville, CO
34 miles point to pointBoulder County, CO
17. All-Out Summer Breeze
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Jun 8, 2024Saturday
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13.1M, 10K, 5K run
Virtual OptionMore Information
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Arvada, CO
46 miles point to pointJefferson County, CO
18. Father's Day Classic
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Jun 16, 2024Sunday
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10K, 5K, 1M run
More Information
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Arvada, CO
46 miles point to pointJefferson County, CO
19. Red, White and Brew 5K, 10K & Half Marathon
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Jun 22, 2024Saturday
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13.1M, 10K, 5K run | last man standing | kids run
More Information
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Windsor, CO
34 miles point to pointWeld County, CO
20. Boulder Sunrise 10K and 5K
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Jun 23, 2024Sunday
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10K, 5K run
More Information
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Boulder, CO
28 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.