Race Discovery

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

513 events found

For The City Network 5K logo
Sep
12

For The City Network 5K

Greeley, Colorado, United States
Running
5K
Arapahoe Warrior XC Invitational logo
Sep
11

Arapahoe Warrior XC Invitational

Centennial, Colorado, United States
Running
5K The Field +3
14th Annual Superhero Event logo
Sep
10

14th Annual Superhero Event

Greeley, Colorado, United States
Running
10K 5K 1.6K Kid's Fun Run (Ages 6 & Under) +5
Denver West Cowboy Classic logo
Sep
09

Denver West Cowboy Classic

Denver, Colorado, United States
Running
3K 5K The Field +3
Fca All Abilities Labor Day 5K logo
Sep
07

Fca All Abilities Labor Day 5K

Loveland, Colorado, United States
Running
5K
Fca All-Abilities Labor Day 5K
Sep
07

Fca All-Abilities Labor Day 5K

Loveland, Colorado, United States
Running
5K
Oak Creek No Fun Run logo
Sep
07

Oak Creek No Fun Run

Oak Creek, Colorado, United States
Running
5K
The Beaver Run logo
Sep
05

The Beaver Run

Breckenridge, Colorado, United States
Running
5K 10K 15K 0.2K
Demons Invite logo
Sep
05

Demons Invite

Arvada, Colorado, United States
Running
5K +1
Liberty Bell XC Invitational logo
Sep
05

Liberty Bell XC Invitational

Littleton, Colorado, United States
Running
5K +18
Colby Sandbox
Sep
05

Colby Sandbox

Chico, Colorado, United States
Running
5K 12K 24K
Demon Dash logo
Sep
05

Demon Dash

Arvada, Colorado, United States
Running
5K