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

Oct

15

Denver Public Schools League Meet

Denver, Colorado, United States

Running

5K +1

Oct

14

JeffCo League Championships

Arvada, Colorado, United States

Running

5K +4

Oct

14

Pueblo City/County Cross Country Championships

Pueblo, Colorado, United States

Running

3.2K 5K

Oct

13

Continental League XC Championship

Littleton, Colorado, United States

Running

5K +2

Oct

11

Your Story Isn't Over 5k/10k/Kids 1-Mile

Littleton, Colorado, United States

Running

1.6K 10K 5K

Oct

11

The Moony Pride 5k

Fort Collins, Colorado, United States

Running

5K

Oct

11

Kitty Beanz Cat 5k

Aurora, Colorado, United States

Running

5K

Oct

11

Durango Marathon

Durango, Colorado, United States

Running

Marathon Half-Marathon 5K

Oct

10

Faith & Blue 5K

Fort Morgan, Colorado, United States

Running

5K

Oct

10

ASDAsh 5K to Beat Tooth Decay

Aurora, Colorado, United States

Running

5K

Oct

10

Boulder XC Series Meet 1

Boulder, Colorado, United States

Running

5K 3K 1K

Oct

10

Breckenridge RunFest

Breckenridge, Colorado, United States

Running

10K 5K 1.6K Marathon +1