Upcoming Races within 50 miles of Windsor, CO on Sundays
Longmont, CO
Boulder Track Series Meet 1
Apr 14, 2024
Colorado Brewery Running Series
Apr 21, 2024
Boulder Track Series Meet 2
Apr 28, 2024
Frank Shorter Track Classic
May 12, 2024
Outdoor Divas Sprint Triathlon
Aug 18, 2024
Colorado Brewery Running Series
Sep 15, 2024
Oktoberfest Sprint Triathlon
Sep 22, 2024
Thornton, CO
RMRR Spring Marathon Training Series
Mar 24, 2024
Apr 28, 2024
Head and Neck Cancer A Hard Thing to Swallow 5K/10K
May 12, 2024
RMRR Trophy Series - September
Sep 8, 2024
Westminster, CO
Colorado Women's Classic - Westminster
May 12, 2024
Summer Sizzler
Jul 21, 2024
Eye Love Logan and Zoe 5K
Aug 11, 2024
Hometown Half Marathon
Aug 11, 2024
Westy Half & 5K
Oct 13, 2024
Candy Cane Run
Dec 15, 2024
Candy Cane Course
Dec 22, 2024
Erie, CO
Healthy Kids Running Series
May 19, 2024
May 26, 2024
Jun 2, 2024
Jun 9, 2024
1 more
Erie Half & 5K
Aug 18, 2024
Louisville, CO
Colorado 13er
Jun 2, 2024
MonsterDash Run
Oct 27, 2024
Arctic Prairie Dog Half
Jan 19, 2025
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
Arvada, CO
Spring Fling Prairie Dog Half
Apr 14, 2024
Miles for Smiles 5K
May 19, 2024
Father's Day Classic
Jun 16, 2024
Estes Park, CO
Estes Park Marathon
Jun 16, 2024
Jun 15, 2024
Boulder, CO
Boulder Mothers Day Run
May 12, 2024
Boulder Sunrise 10K and 5K
Jun 23, 2024
Boulder Sunrise Triathlon
Jun 23, 2024
Buffs4Life Kyle MacIntosh Memorial Fun Run
Jun 23, 2024
Sunset Trail Running Festival
Jun 23, 2024
Colorado Brewery Running Series
Jun 30, 2024
Boulder Peak Triathlon
Jul 14, 2024
Rocky Mountain Tri Fest
Aug 11, 2024
Boulderthon: Downtown Boulder Marathon
Sep 29, 2024
Lucky Leprechaun 5K
Mar 16, 2025
Wheat Ridge, CO
Farmers 5000
Sep 15, 2024
Windsor, CO
Windsor Marathon
Oct 6, 2024
Commerce City, CO
Wild For Life Triathlon
Oct 13, 2024
Fort Collins, CO
Horsetooth Half Marathon
Apr 14, 2024
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
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. Boulder Track Series Meet 1
-
Apr 14, 2024Sunday
-
track meet
More Information
-
Longmont, CO
24 miles point to pointBoulder County, CO
2. Horsetooth Half Marathon
-
Apr 14, 2024Sunday
-
13.1M run
More Information
-
Fort Collins, CO
12 miles point to pointLarimer County, CO
3. Spring Fling Prairie Dog Half
-
Apr 14, 2024Sunday
-
13.1M, 10K, 5K run | kids run
More Information
-
Arvada, CO
48 miles point to pointJefferson County, CO
4. Blue Heron Half and 5K
-
Apr 21, 2024Sunday
-
13.1M, 5K run
More Information
-
Brighton, CO
34 miles point to pointAdams County, CO
5. Colorado Brewery Running Series
-
Apr 21, 2024Sunday
-
5K run
More Information
-
Longmont, CO
24 miles point to pointBoulder County, CO
6. Boulder Track Series Meet 2
-
Apr 28, 2024Sunday
-
track meet
More Information
-
Longmont, CO
24 miles point to pointBoulder County, CO
7. Flying Pig 5K
-
Apr 28, 2024Sunday
-
5K run | kids run
More Information
-
Fort Collins, CO
12 miles point to pointLarimer County, CO
8. RMRR Spring Marathon Training Series
-
Apr 28, 2024Sunday
-
20M, 10M run
More Information
-
Thornton, CO
42 miles point to pointAdams County, CO
9. Colorado Marathon
-
May 5, 2024Sunday
-
26.2M, 13.1M, 10K, 5K run | 26.2M relay
More Information
-
Boston Marathon Qualifier
-
Fort Collins, CO
12 miles point to pointLarimer County, CO
10. Boulder Mothers Day Run
-
May 12, 2024Sunday
-
13.1M, 10K, 5K trail run
More Information
-
Boulder, CO
38 miles point to pointBoulder County, CO
11. Colorado Women's Classic - Westminster
-
May 12, 2024Sunday
-
10M, 10K, 5K run | kids run
More Information
-
Women Only
-
Westminster, CO
45 miles point to pointAdams County, COJefferson County, CO
12. Frank Shorter Track Classic
-
May 12, 2024Sunday
-
track meet
More Information
-
Longmont, CO
24 miles point to pointBoulder County, CO
13. Head and Neck Cancer A Hard Thing to Swallow 5K/10K
-
May 12, 2024Sunday
-
10K, 5K run
Virtual OptionMore Information
-
Thornton, CO
42 miles point to pointAdams County, CO
14. Healing Warriors Program 5K Fun Run
-
May 19, 2024Sunday
-
5K run
More Information
-
Fort Collins, CO
12 miles point to pointLarimer County, CO
15. Healthy Kids Running Series - Erie
-
May 19, 2024Sunday
-
kids run
More Information
-
Erie, CO
31 miles point to pointWeld County, CO
16. Miles for Smiles 5K
-
May 19, 2024Sunday
-
5K run | kids run
More Information
-
Arvada, CO
48 miles point to pointJefferson County, CO
17. Healthy Kids Running Series - Erie
-
May 26, 2024Sunday
-
kids run
More Information
-
Erie, CO
31 miles point to pointWeld County, CO
18. Colorado 13er
-
Jun 2, 2024Sunday
-
13.1M, 10K, 5K run
More Information
-
Louisville, CO
37 miles point to pointBoulder County, CO
19. Crazy Legs 10K+ Trail Run
-
Jun 2, 2024Sunday
-
10K trail run
More Information
-
Loveland, CO
11 miles point to pointLarimer County, CO
20. Healthy Kids Running Series - Erie
-
Jun 2, 2024Sunday
-
kids run
More Information
-
Erie, CO
31 miles point to pointWeld 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.