Race Discovery

10K races in Colorado, United States — 2026 running calendar

140 events found

Black Canyon Ascent logo
May
16

Black Canyon Ascent

Montrose, Colorado, United States
Running Walking
9.7K
Super Mom 5K/10K/Half - Colorado Springs logo
May
10

Super Mom 5K/10K/Half - Colorado Springs

Colorado Springs, Colorado, United States
Running
5K 10K Half-Marathon +5
Hometown Half Marathon & 5k/10k - Denver logo
May
10

Hometown Half Marathon & 5k/10k - Denver

Littleton, Colorado, United States
Running
1.6K 5K 10K Half-Marathon +1
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
High Line Canal 5K/10K Run logo
May
02

High Line Canal 5K/10K Run

Centennial, Colorado, United States
Running
10K 5K
Cinco De Mayo Run 5K/10K/13.1 DENVER/AURORA logo
May
02

Cinco De Mayo Run 5K/10K/13.1 DENVER/AURORA

Centennial, Colorado, United States
Running
5K 10K Half-Marathon 1.6K +2
Sunrise Marathon 5K/10K/13.1 DENVER/AURORA logo
May
02

Sunrise Marathon 5K/10K/13.1 DENVER/AURORA

Centennial, Colorado, United States
Running
5K 10K Half-Marathon 1.6K +2
Race Through Colorado 1M, 5K, 10K, 13.1, 26.2 - Now Only $20! logo
Mar
28

Race Through Colorado 1M, 5K, 10K, 13.1, 26.2 - Now Only $20!

Denver, Colorado, United States
$20.00
Running
1.6K 5K 10K Half-Marathon +1