Race Discovery

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

513 events found

DoNot Stop Half Marathon/5K/10K - Denver logo
Apr
25

DoNot Stop Half Marathon/5K/10K - Denver

Denver, Colorado, United States
Free - $55.00
Running
Kid's Dash 1.6K 5K 10K +4
Unicorn 5k (Denver-East) logo
Apr
25

Unicorn 5k (Denver-East)

Denver, Colorado, United States
$17.00 - $41.00
Running
5K 3.2K
Emerge 5K logo
May
02

Emerge 5K

Boulder, Colorado, United States
Free
Running
5K
The Colorado Marathon logo
May
02

The Colorado Marathon

Fort Collins, Colorado, United States
Running
Marathon Half-Marathon 5K 10K
Longmont Half & 5k (LM Half) logo
May
02

Longmont Half & 5k (LM Half)

Longmont, Colorado, United States
$39.00 - $64.00
Running
Half-Marathon 5K
Run for Chocolate 5k/10k/13.1 Denver/Aurora logo
May
08

Run for Chocolate 5k/10k/13.1 Denver/Aurora

Centennial, Colorado, United States
$30.00 - $45.00
Running
5K 10K Half-Marathon 1.6K +8
Colterris Wine Run 5k logo
May
08

Colterris Wine Run 5k

Palisade, Colorado, United States
$30.00
Running
5K
Denver Mother's Day 5K logo
May
09

Denver Mother's Day 5K

Denver, Colorado, United States
$26.99
Running
5K
Colorado Women's Classic - Westminster logo
May
09

Colorado Women's Classic - Westminster

Westminster, Colorado, United States
Free - $60.00
Running
5K 10K 16.1K Kids Fun Run (100 yards)
Run the Spruce 5K and 1K Fun Run logo
May
22

Run the Spruce 5K and 1K Fun Run

Palmer Lake, Colorado, United States
$20.00 - $35.00
Running
5K 1K
SuperHeroes Run Denver/Aurora logo
May
29

SuperHeroes Run Denver/Aurora

Centennial, Colorado, United States
$30.00 - $45.00
Running
5K 10K Half-Marathon 1.6K +8
Flamingo Day 5K logo
Jun
06

Flamingo Day 5K

Denver, Colorado, United States
$30.00
Running
5K