April Classic Races within 50 miles of Boulder, CO

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All Colorado
Name Open Date Close Date
With Virtual Option
21. Great Western Trail Race
22. Healthy Kids Running Series - Fort Collins
23. South Boulder Creek parkrun
24. Time Travel Half Marathon
25. Blue Heron Half and 5K
26. Colorado Brewery Running Series
27. Healthy Kids Running Series - Aurora
28. Healthy Kids Running Series - Denver
29. Rockin' on the River 5K
30. The Mile High 4.20K
31. Unicorn 5K
32. Fight for Air Climb - Denver
33. Healthy Kids Running Series - Fort Collins
34. NOCO Half Marathon & 10K
35. Rock Hawk Trail Races
36. Runs With Scissors Races
37. SOAR 5K
38. South Boulder Creek parkrun
39. Boulder Track Series Meet 2
40. Fairmount 5K Pancake Fun Run

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.