May Races in Colorado

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