August Half Marathons within 400 miles of Thornton, CO

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All Colorado
Name Open Date Close Date
With Virtual Option
1. All-Out Runapalooza
2. Boulder Rez Marathon
3. Hobble Creek Half Marathon
4. Popsicle 5K/10K/Half - Colorado Springs
5. Rocky Mountain Half Marathon
6. I'm Bound for Boston Marathon & Half Marathon - Denver
7. Choice City Running Festival - Mountain Avenue Mile & Human Race
8. Georgetown to Idaho Springs Half Marathon
9. Hometown Half Marathon
10. Med Bow Rail Marathon & Half Marathon
11. Hometown Half Marathon
12. Rio Grande Half Marathon
13. Dynafit Half Marathon
14. Mt. Sneffels Half Marathon & 10K
15. Provo Canyon Half Marathon - PC2PG
16. Run With the Horses Marathon
17. Erie Half & 5K
18. Leading Ladies & Dakota Spirit Marathon
19. Clear Creek Half Marathon
20. Nebraska State Fair Marathon

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.