Race Discovery

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

436 events found

Let Freedom Run 5k/10k - Louisville logo
Jul
04

Let Freedom Run 5k/10k - Louisville

Louisville, Colorado, United States
Free - $45.00
Running
5K 10K Kids Fun Run - Free (approx 100 yards, untimed)
Independence Day Freedom 5K logo
Jul
04

Independence Day Freedom 5K

Buena Vista, Colorado, United States
$25.00
Running
5K 3K
Cookie Chase logo
Jul
10

Cookie Chase

Denver, Colorado, United States
$30.00
Running
5K
All-Out Dog Days logo
Jul
10

All-Out Dog Days

Westminster, Colorado, United States
$20.00 - $65.00
Running
Half-Marathon 10K 5K +2
Summer Splash Prairie Dog Half, 10k, & 5k logo
Jul
17

Summer Splash Prairie Dog Half, 10k, & 5k

Castle Rock, Colorado, United States
$35.00 - $75.00
Running
Half-Marathon 10K 5K
Spirit of the West 5K Run/Walk logo
Jul
25

Spirit of the West 5K Run/Walk

Golden, Colorado, United States
Free - $35.00
Running
5K Family Fun Dash (around 100 feet or so of fun)
Popsicle 5K/10K/Half - Colorado Springs logo
Jul
31

Popsicle 5K/10K/Half - Colorado Springs

Colorado Springs, Colorado, United States
$25.00 - $50.00
Running
5K 10K Half-Marathon +5
RoC & Roll 5K: Run, Walk, or Wheel
Aug
07

RoC & Roll 5K: Run, Walk, or Wheel

Fountain, Colorado, United States
Running
5K
Unicorn 5k (South) logo
Aug
07

Unicorn 5k (South)

Highlands Ranch, Colorado, United States
$13.00 - $31.00
Running
5K 3/4 (ish) Mile Saunter
Summer Sizzler- Denver logo
Aug
07

Summer Sizzler- Denver

Denver, Colorado, United States
$17.00 - $42.00
Running
Kids Dash 1.6K 5K 10K +3
All-Out Runapalooza logo
Aug
07

All-Out Runapalooza

Arvada, Colorado, United States
$20.00 - $65.00
Running
Half-Marathon 10K 5K +2
Summer Sizzler- Colorado Springs logo
Aug
08

Summer Sizzler- Colorado Springs

Colorado Springs, Colorado, United States
$17.00 - $42.00
Running
Kids Dash 1.6K 5K 10K +3