October Races within 50 miles of Boulder, CO

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Classic Multisport Variety Event Category

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All Colorado
Name Open Date Close Date
With Virtual Option
41. Hoofin' It Through the Hollows 5K
42. Howl-O-Ween 5K
43. Brakes on Breast Cancer 5K
44. Latino Ultra Nature Adventure
45. Mines Mindful Miles 5K
46. The Odyssey Odyssey
47. West Side Best Side Cross Country Race
48. Apex Foundation Trick or Trot 5K
49. Colorado Brewery Running Series
50. MonsterDash Run - Denver
51. South Boulder Creek parkrun
52. All-Out Kooky-Spooky
53. DU Crimson Classic 5K
54. Ghosts and Goblins 5K/10K
55. MonsterDash Run - Louisville
56. Narrowleaf Lake Run
57. Boulder XC Series Meet 2
58. Eerie Erie
59. Halloween Fun Run
60. Hell Week Fitness 5K by Orangetheory Colorado

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.