Race Discovery

5K races in Colorado, United States — 2026 running calendar

513 events found

Hometown Half Marathon & 5k/10k - Colorado Springs logo
May
09

Hometown Half Marathon & 5k/10k - Colorado Springs

Colorado Springs, Colorado, United States
Running
5K 10K Half-Marathon 1.6K +2
HRCA Mother's Day 5K logo
May
09

HRCA Mother's Day 5K

Highlands Ranch, Colorado, United States
Running
5K
Cherry Creek Race for the Watershed 2026 logo
May
09

Cherry Creek Race for the Watershed 2026

Aurora, Colorado, United States
Running
5K
Celebration of Moms 5k & Family Fun Run
May
09

Celebration of Moms 5k & Family Fun Run

Buena Vista, Colorado, United States
Running
5K
2026 Mother's Day Virtual 5k - Colorado Springs logo
May
09

2026 Mother's Day Virtual 5k - Colorado Springs

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

RMRR May Trophy Series

Denver, Colorado, United States
Running
8K 5K
2026 Altitude Elementary Moose Mudder logo
May
03

2026 Altitude Elementary Moose Mudder

Aurora, Colorado, United States
Running
1K 5K
Water Wells for Africa 5k Walk/Run logo
May
03

Water Wells for Africa 5k Walk/Run

Silt, Colorado, United States
Running
5K
Hayden Cog Run logo
May
03

Hayden Cog Run

Hayden, Colorado, United States
Running
13.5K 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
CollaBEERation 5k & Brew Fest Party logo
May
02

CollaBEERation 5k & Brew Fest Party

Longmont, Colorado, United States
Running
5K
DU Spring Sprint 5k logo
May
02

DU Spring Sprint 5k

Gunnison, Colorado, United States
Running
5.1K