Upcoming Races in Colorado
Event Category
Click Here to find out what Classic, Multisport, and Variety mean.
To narrow your search by a distance or event type, you will need to select Classic, Multisport, or Variety first.
To narrow your search by a distance or event type, you will need to select Classic, Multisport, or Variety first.
City Location
141. Cerus Fitness Festival
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May 20, 2023Saturday
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5K, 1M run | obstacle run
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Frederick, CO
Weld County, CO
142. Cloman Kicker 5K
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May 20, 2023Saturday
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5K trail run
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Pagosa Springs, CO
Archuleta County, CO
143. Colorado Brewery Running Series - Stem Ciders at Acreage
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May 20, 2023Saturday
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5K run
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Lafayette, CO
Boulder County, CO
144. Denver Colfax Marathon
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May 20, 2023Saturday
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5K run
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Boston Marathon Qualifier
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Denver, CO
Denver County, CO
145. Girls on the Run 5K
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May 20, 2023Saturday
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5K run
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Denver, CO
Denver County, CO
146. Gluten Free Gallop 5K
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May 20, 2023Saturday
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5K run | kids run
Virtual OptionMore Information
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Littleton, CO
Arapahoe County, CO
147. Memorial Day Run & March
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May 20, 2023Saturday
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30K, 10K, 5K run
Virtual OptionMore Information
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Colorado Springs, CO
El Paso County, CO
148. Rockies 5K
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May 20, 2023Saturday
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5K run | kids run
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Denver, CO
Denver County, CO
149. Run to the Shrine
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May 20, 2023Saturday
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4M run
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Colorado Springs, CO
El Paso County, CO
150. Running for Hope
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May 20, 2023Saturday
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5K run
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Loveland, CO
Larimer County, CO
151. South Boulder Creek parkrun
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May 20, 2023Saturday
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5K run
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Boulder, CO
Boulder County, CO
152. Tails on the Trail
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May 20, 2023Saturday
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5K run
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Salida, CO
Chaffee County, CO
153. Valkyrie Trail Race
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May 20, 2023Saturday
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50K, 26.2M, 30K, 13.1M, 8M, 4M trail run
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Colorado Springs, CO
El Paso County, CO
154. Denver Colfax Marathon
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May 21, 2023Sunday
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26.2M, 13.1M, 10M run | 26.2M relay
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Boston Marathon Qualifier
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Denver, CO
Denver County, CO
155. Healing Warriors 5K
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May 21, 2023Sunday
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5K run
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Fort Collins, CO
Larimer County, CO
156. Healthy Kids Running Series - Aurora
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May 21, 2023Sunday
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kids run
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Aurora, CO
Arapahoe County, CO
157. Healthy Kids Running Series - Denver
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May 21, 2023Sunday
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kids run
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Denver, CO
Denver County, CO
158. Miles for Smiles 5K
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May 21, 2023Sunday
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5K run | kids run
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Arvada, CO
Jefferson County, CO
159. NOCO Half Marathon & 10K
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May 21, 2023Sunday
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13.1M, 10K run
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Loveland, CO
Larimer County, CO
160. Ordinary Mortals Triathlon
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May 21, 2023Sunday
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sprint triathlon | sprint triathlon relay | youth triathlon
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Pueblo, CO
Pueblo County, CO
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.
ALWAYS visit the race's website for the most complete and accurate race information.