May Races in Colorado

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1. Aspen parkrun
2. Greenland Trail Races
3. Kohl 5K
4. Nielson Two Mile Challenge
5. South Boulder Creek parkrun
6. Bob Turner Classic 5K
7. Breakthrough for Brain Tumors 5K - Denver
8. Collegiate Peaks Trail Run
9. Duck Waddle 5K
10. Fiesta 5K
11. Five Star Fun Run and 5K
12. Furry Scurry
13. Grand Valley Marathon
14. Hayden Cog Run
15. Hope House 5K
16. Jeffrey Ray Davis Sepsis Challenge 5K
17. Lincoln Academy Tech Trek 5K
18. Rox Trot
19. runBlossom races
20. Spartan Super - Colorado