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

Sep

27

Joy & Justice 5k

Timnath, Colorado, United States

$15.00 - $40.00

Running Walking

5K 1.6K

Sep

27

Wwe Run With The Wolves

Arvada, Colorado, United States

$25.00 - $35.00

Running

5K 1K

Oct

03

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

Canon City, Colorado, United States

$40.00 - $90.00

Running

5K 12.9K Half-Marathon 10K +2

Oct

03

Lafayette Music Fest -5K - 10K

Lafayette, Colorado, United States

$50.00 - $75.00

Running

10K 5K

Oct

03

Spooky Sprint - Denver

Littleton, Colorado, United States

$25.00 - $73.00

Running

1.6K 5K 10K Half-Marathon

Oct

03

Family Soccer 5k run

Aurora, Colorado, United States

Free

Running

4.8K

Oct

03

I Can 5k

Thornton, Colorado, United States

Free

Running

5K +2

Oct

03

Big Waves Family 5K run/walk Presented by Brumate

Westminster, Colorado, United States

$40.00

Running

5K

Oct

03

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

Colorado Springs, Colorado, United States

Free - $130.00

Running

Marathon Half-Marathon 5K 1K +11

Oct

03

Homecoming 5K - Colorado State University

Fort Collins, Colorado, United States

$25.00 - $40.00

Running

5K +1

Oct

03

PRA Miner Gold Rush

Broomfield, Colorado, United States

$25.00 - $40.00

Running

5K 1.6K

Oct

03

Mustang Music 5K

Fort Collins, Colorado, United States

$15.00 - $35.00

Running

5K 1.6K Mustang Music ZEROK: Non-Participant T-Shirt Only