April Races in Colorado
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
Dash & Dine 5K Series
Apr 30, 2024
May 7, 2024
May 14, 2024
May 21, 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
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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.
| No | Race Date | Race | Location | Options |
|---|---|---|---|---|
| 1 |
Past Date
Apr 5, 2024
Friday
|
Run the Ranch
10K, 5K trail run
More Information
|
Loveland, CO
Larimer County, CO
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| 2 |
Past Date
Apr 6, 2024
Saturday
|
Aspen parkrun
5K run
More Information
|
Aspen, CO
Pitkin County, CO
|
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| 3 |
Past Date
Apr 6, 2024
Saturday
|
Aurora Polar Plunge and 5K
5K run
More Information
|
Aurora, CO
Arapahoe County, CO
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| 4 |
Past Date
Apr 6, 2024
Saturday
|
Baylon Michael Meyer 5K/10K Memorial Run
10K, 5K run
Virtual Option
More Information
|
Pueblo West, CO
Pueblo County, CO
|
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| 5 |
Apr 6, 2025
Sunday
|
Donut Dash 5K
5K run
More Information
 |
Denver, CO
Denver County, CO
|
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| 6 |
Past Date
Apr 6, 2024
Saturday
|
Mav Days 5K Run/Walk
5K run | kids run
More Information
|
Grand Junction, CO
Mesa County, CO
|
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| 7 |
Past Date
Apr 6, 2024
Saturday
|
Nielson Two Mile Challenge
2M trail run
More Information
|
Colorado Springs, CO
El Paso County, CO
|
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| 8 |
Past Date
Apr 6, 2024
Saturday
|
Raptor Run
5K run
More Information
|
Brighton, CO
Adams County, CO
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| 9 |
Past Date
Apr 6, 2024
Saturday
|
Run the Ranch
12H, 6H, 4H trail run | 12H relay
More Information
|
Loveland, CO
Larimer County, CO
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| 10 |
Past Date
Apr 6, 2024
Saturday
|
South Boulder Creek parkrun
5K run
More Information
|
Boulder, CO
Boulder County, CO
|
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| 11 |
Past Date
Apr 7, 2024
Sunday
|
Healthy Kids Running Series
kids run
More Information
|
Trinidad, CO
Las Animas County, CO
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| 12 |
Past Date
Apr 7, 2024
Sunday
|
RMRR Trophy Series - April
4M run
More Information
|
Denver, CO
Denver County, CO
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| 13 |
Past Date
Apr 7, 2024
Sunday
|
Three Creeks Half Marathon
13.1M run
More Information
|
Denver, CO
Denver County, CO
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| 14 |
Past Date
Apr 12, 2024
Friday
|
Desert RATS Trail Running Festival
100K trail run
More Information
|
Fruita, CO
Mesa County, CO
|
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| 15 |
Past Date
Apr 13, 2024
Saturday
|
All-Out Beat the Heat
13.1M, 10K, 5K run
Virtual Option
More Information
|
Westminster, CO
Adams County, CO
Jefferson County, CO
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Boston Marathon Qualifier
|
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| 16 |
Past Date
Apr 13, 2024
Saturday
|
Aspen parkrun
5K run
More Information
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Aspen, CO
Pitkin County, CO
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| 17 |
Past Date
Apr 13, 2024
Saturday
|
Boulder Rez Half
13.1M, 10K, 5K run
More Information
|
Boulder, CO
Boulder County, CO
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| 18 |
Past Date
Apr 13, 2024
Saturday
|
Desert RATS Trail Running Festival
50K, 26.2M trail run
More Information
|
Fruita, CO
Mesa County, CO
|
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| 19 |
Past Date
Apr 13, 2024
Saturday
|
Rattler Trail Race
50K, 25K, 10K trail run
More Information
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Colorado Springs, CO
El Paso County, CO
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| 20 |
Past Date
Apr 13, 2024
Saturday
|
South Boulder Creek parkrun
5K run
More Information
|
Boulder, CO
Boulder County, CO
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City Location
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.