April Races in Colorado on Weekends
Longmont, CO
Boulder Track Series Meet 1
Apr 14, 2024
Colorado Brewery Running Series
Apr 21, 2024
Boulder Track Series Meet 2
Apr 28, 2024
Denver, CO
Barkin Dog Duathlon
Apr 22, 2023
RMRR Trophy Series - April
Apr 7, 2024
Three Creeks Half Marathon
Apr 7, 2024
Healthy Kids Running Series
Apr 14, 2024
Apr 21, 2024
May 5, 2024
May 19, 2024
1 more
The Mile High 4.20K
Apr 21, 2024
Unicorn 5K
Apr 21, 2024
Fight for Air Climb
Apr 27, 2024
Donut Dash 5K
Apr 6, 2025
Colorado Springs, CO
Nielson Two Mile Challenge
Mar 1, 2025
Apr 6, 2024
May 4, 2024
Jun 1, 2024
8 more
Rattler Trail Race
Apr 13, 2024
Tillman Honor Run
Apr 13, 2024
Time Travel Half Marathon
Apr 21, 2024
Alpine Autism Center Run for the One 5K
Apr 27, 2024
Cheyenne Mountain Trail Race
Apr 27, 2024
Aurora, CO
Aurora Polar Plunge and 5K
Apr 6, 2024
Healthy Kids Running Series
Apr 14, 2024
Apr 21, 2024
Apr 28, 2024
May 19, 2024
1 more
Durango, CO
Southwest CO FCA 5K
Apr 20, 2024
Grand Junction, CO
Mav Days 5K Run/Walk
Apr 6, 2024
Elevate Kids Fun Run
Apr 14, 2024
Castle Rock, CO
Rock Hawk Trail Races
Apr 27, 2024
Loveland, CO
Run the Ranch
Apr 5, 2024
Apr 6, 2024
Earth Day 5K/10K
Apr 20, 2024
NOCO Half Marathon & 10K
Apr 27, 2024
Arvada, CO
Spring Fling Prairie Dog Half
Apr 14, 2024
Boulder, CO
South Boulder Creek parkrun
Mar 22, 2025
Mar 29, 2025
Apr 6, 2024
Apr 13, 2024
48 more
Boulder Rez Half
Apr 13, 2024
The Diabetes Link at CU 5K Run/Walk
Apr 13, 2024
Brighton, CO
Raptor Run
Apr 6, 2024
Five Star Fun Run and 5K
Apr 20, 2024
Blue Heron Half and 5K
Apr 21, 2024
Runs With Scissors Races
Apr 27, 2024
Trinidad, CO
Healthy Kids Running Series
Apr 7, 2024
Apr 14, 2024
Apr 21, 2024
Apr 28, 2024
1 more
Huff and Puff 5K
Apr 20, 2024
Salida, CO
Spiral Drive Run
Apr 20, 2024
Canon City, CO
Royal Gorge Groove
Apr 20, 2024
Walk for Life/5K
Apr 20, 2024
Fountain, CO
Woody's Tortoise and Hare
Apr 20, 2024
Rifle, CO
Strut for Mutts
Apr 20, 2024
Pueblo West, CO
Baylon Michael Meyer 5K/10K Memorial Run
Apr 6, 2024
Fort Collins, CO
Horsetooth Half Marathon
Apr 14, 2024
Healthy Kids Running Series
Apr 27, 2024
May 4, 2024
May 18, 2024
Apr 20, 2024
1 more
Flying Pig 5K
Apr 28, 2024
Severance, CO
Great Western Trail Race
Apr 20, 2024
Sat | Sun | Mon | Tue | Wed | Thu | Fri | Multiple |
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.
41. Time Travel Half Marathon
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Apr 20, 2024Saturday
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13.1M, 10K, 5K run
More Information
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Westminster, CO
Adams County, COJefferson County, CO
42. Walk for Life/5K
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Apr 20, 2024Saturday
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5K run
More Information
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Canon City, CO
Fremont County, CO
43. Woody's Tortoise and Hare
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Apr 20, 2024Saturday
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5K run
More Information
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Fountain, CO
El Paso County, CO
44. Blue Heron Half and 5K
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Apr 21, 2024Sunday
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13.1M, 5K run
More Information
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Brighton, CO
Adams County, CO
45. Colorado Brewery Running Series
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Apr 21, 2024Sunday
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5K run
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Longmont, CO
Boulder County, CO
46. Healthy Kids Running Series
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Apr 21, 2024Sunday
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kids run
More Information
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Trinidad, CO
Las Animas County, CO
47. Healthy Kids Running Series - Denver
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Apr 21, 2024Sunday
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kids run
More Information
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Denver, CO
Denver County, CO
48. Healthy Kids Running Series - Aurora
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Apr 21, 2024Sunday
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kids run
More Information
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Aurora, CO
Arapahoe County, CO
49. Rockin' on the River 5K
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Apr 21, 2024Sunday
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5K run
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Littleton, CO
Arapahoe County, CO
50. The Mile High 4.20K
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CancelledApr 21, 2024Sunday
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4.2K run
Virtual OptionMore Information
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Denver, CO
Denver County, CO
51. Time Travel Half Marathon - Colorado Springs
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Apr 21, 2024Sunday
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13.1M, 10K, 5K, 1M run
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Colorado Springs, CO
El Paso County, CO
52. Unicorn 5K
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Apr 21, 2024Sunday
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5K, 0.5M run
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Denver, CO
Denver County, CO
53. Barkin Dog Duathlon
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Past DateApr 22, 2023Saturday
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sprint, supersprint duathlon
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Denver, CO
Denver County, CO
54. Alpine Autism Center Run for the One 5K
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Apr 27, 2024Saturday
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5K run
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Colorado Springs, CO
El Paso County, CO
55. Aspen parkrun
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Apr 27, 2024Saturday
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5K run
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Aspen, CO
Pitkin County, CO
56. Cheyenne Mountain Trail Race
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Apr 27, 2024Saturday
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50K, 25K, 10K trail run
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Colorado Springs, CO
El Paso County, CO
57. Fight for Air Climb - Denver
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Apr 27, 2024Saturday
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stair climb
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Denver, CO
Denver County, CO
58. Healthy Kids Running Series - Fort Collins
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Apr 27, 2024Saturday
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kids run
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Fort Collins, CO
Larimer County, CO
59. NOCO Half Marathon & 10K
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Apr 27, 2024Saturday
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13.1M, 10K run
More Information
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Loveland, CO
Larimer County, CO
60. Rock Hawk Trail Races
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Apr 27, 2024Saturday
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13.1M, 10K, 5K trail run
More Information
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Castle Rock, CO
Douglas 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.