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

Oct

03

Rim to Rim Royal Gorge Races: 5K Road Run, Trail 8 Mile, Trail Half Marathon

Canon City, Colorado, United States

Running

5K 12.9K Half-Marathon 10K +2

Oct

03

Big Waves Family 5K run/walk Presented by Brumate

Westminster, Colorado, United States

Running

5K

Oct

03

Windjammer XC Festival

Englewood, Colorado, United States

Running

5K 3.5K +4

Oct

03

PRA Miner Gold Rush

Broomfield, Colorado, United States

Running

5K 1.6K

Oct

03

Colorado Springs Marathon, Half, 5K, and Kids K

Colorado Springs, Colorado, United States

Running

Marathon Half-Marathon 5K 1K +11

Oct

03

Homecoming 5K - Colorado State University

Fort Collins, Colorado, United States

Running

5K +1

Oct

03

I Can 5k

Thornton, Colorado, United States

Running

5K +2

Oct

03

Ethiorado 5K Run/Walk

Aurora, Colorado, United States

Running

5K

Oct

02

Summit Stinger

Frisco, Colorado, United States

Running

Middle School Boys Middle School Girls 5K

Oct

02

Denver East Angel Invitational

Denver, Colorado, United States

Running

5K 3K +3

Oct

01

Pine Creek Invitational/CSML 5A Championship

Colorado Springs, Colorado, United States

Running

5K +1

Sep

27

Joy & Justice 5k

Timnath, Colorado, United States

Running Walking

5K 1.6K