May Races in Colorado on Sundays
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 |
May 5, 2024
Sunday
|
Altitude Elementary Moose Mudder
5K, 1K run
More Information
 |
Aurora, CO
Arapahoe County, CO
|
|
| 2 |
May 5, 2024
Sunday
|
Colorado Brewery Running Series
5K run
More Information
|
Denver, CO
Denver County, CO
|
|
| 3 |
May 5, 2024
Sunday
|
Colorado Marathon
26.2M, 13.1M, 10K, 5K run | 26.2M relay
More Information
|
Fort Collins, CO
Larimer County, CO
|
|
|
Boston Marathon Qualifier
|
||||
| 4 |
May 5, 2024
Sunday
|
Healthy Kids Running Series
kids run
More Information
|
Trinidad, CO
Las Animas County, CO
|
|
| 5 |
May 5, 2024
Sunday
|
Healthy Kids Running Series - Denver
kids run
More Information
|
Denver, CO
Denver County, CO
|
|
| 6 |
May 5, 2024
Sunday
|
Healthy Kids Running Series - Aurora
kids run
More Information
|
Aurora, CO
Arapahoe County, CO
|
|
| 7 |
May 5, 2024
Sunday
|
RMRR Trophy Series - May
5M, 5K run
More Information
|
Denver, CO
Denver County, CO
|
|
| 8 |
May 12, 2024
Sunday
|
Boulder Mothers Day Run
13.1M, 10K, 5K trail run
More Information
|
Boulder, CO
Boulder County, CO
|
|
| 9 |
May 12, 2024
Sunday
|
Colorado Women's Classic - Westminster
10M, 10K, 5K run | kids run
More Information
|
Westminster, CO
Adams County, CO
Jefferson County, CO
|
|
|
Women Only
|
||||
| 10 |
May 12, 2024
Sunday
|
Frank Shorter Track Classic
track meet
More Information
|
Longmont, CO
Boulder County, CO
|
|
| 11 |
May 12, 2024
Sunday
|
Fruita Trail Half
13.1M trail run
More Information
|
Fruita, CO
Mesa County, CO
|
|
| 12 |
May 12, 2024
Sunday
|
Head and Neck Cancer A Hard Thing to Swallow 5K/10K
10K, 5K run
Virtual Option
More Information
|
Thornton, CO
Adams County, CO
|
|
| 13 |
May 12, 2024
Sunday
|
Mothers Day 5K
5K run
More Information
|
Denver, CO
Denver County, CO
|
|
| 14 |
May 18, 2025
Sunday
|
Ordinary Mortals Triathlon
sprint triathlon | sprint triathlon relay
More Information
|
Pueblo, CO
Pueblo County, CO
|
|
| 15 |
May 19, 2024
Sunday
|
Denver Colfax Marathon
26.2M, 13.1M, 10M run | 26.2M relay
More Information
|
Denver, CO
Denver County, CO
|
|
|
Boston Marathon Qualifier
|
||||
| 16 |
May 19, 2024
Sunday
|
Healing Warriors Program 5K Fun Run
5K run
More Information
|
Fort Collins, CO
Larimer County, CO
|
|
| 17 |
May 19, 2024
Sunday
|
Healthy Kids Running Series - Denver
kids run
More Information
|
Denver, CO
Denver County, CO
|
|
| 18 |
May 19, 2024
Sunday
|
Healthy Kids Running Series - Aurora
kids run
More Information
|
Aurora, CO
Arapahoe County, CO
|
|
| 19 |
May 19, 2024
Sunday
|
Healthy Kids Running Series - Erie
kids run
More Information
|
Erie, CO
Weld County, CO
|
|
| 20 |
May 19, 2024
Sunday
|
Miles for Smiles 5K
5K run | kids run
More Information
|
Arvada, CO
Jefferson County, CO
|
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.