Race Discovery

Running Race Calendar in Colorado, United States

624 events found

Longmont Half & 5k (LM Half) logo
May
03

Longmont Half & 5k (LM Half)

Longmont, Colorado, United States
Running
Half-Marathon 5K
Water Wells for Africa 5k Walk/Run logo
May
03

Water Wells for Africa 5k Walk/Run

Silt, Colorado, United States
Running
5K
Frank Shorter Track Classic logo
May
03

Frank Shorter Track Classic

Longmont, Colorado, United States
Running
1.6K
Hayden Cog Run logo
May
03

Hayden Cog Run

Hayden, Colorado, United States
Running
13.5K 5K
RMRR May Trophy Series logo
May
03

RMRR May Trophy Series

Denver, Colorado, United States
Running
8K 5K
Adams County Foster Care 5K Run/Walk and 1 mile fun run logo
May
02

Adams County Foster Care 5K Run/Walk and 1 mile fun run

Brighton, Colorado, United States
Running
5K 1.6K +1
Cinco De Mayo Run 5K/10K/13.1 DENVER/AURORA logo
May
02

Cinco De Mayo Run 5K/10K/13.1 DENVER/AURORA

Centennial, Colorado, United States
Running
5K 10K Half-Marathon 1.6K +2
MayFest Fun Run logo
May
02

MayFest Fun Run

Parachute, Colorado, United States
Running
5.5K
CollaBEERation 5k & Brew Fest Party logo
May
02

CollaBEERation 5k & Brew Fest Party

Longmont, Colorado, United States
Running
5K
FireKracker 5K Training logo
May
02

FireKracker 5K Training

Fort Collins, Colorado, United States
Running
2026 FK5K Training Program
Sunrise Marathon 5K/10K/13.1 DENVER/AURORA logo
May
02

Sunrise Marathon 5K/10K/13.1 DENVER/AURORA

Centennial, Colorado, United States
Running
5K 10K Half-Marathon 1.6K +2
Take 5 in the Garden
May
02

Take 5 in the Garden

Colorado Springs, Colorado, United States
Trail running Running
15.3K 8K 5K