Race Discovery

Running Race Calendar in Colorado, United States

732 events found

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)
Endure Trail Runs logo
May
15

Endure Trail Runs

Divide, Colorado, United States
$60.00 - $130.00
Running Trail running
11K 22.7K Marathon 12-Hour (Tiny Balls) +1
Vallecito Lake Heavy Half logo
May
15

Vallecito Lake Heavy Half

Bayfield, Colorado, United States
$75.00
Running
22.5K
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
Weld Your Mettle Running Festival logo
Jun
05

Weld Your Mettle Running Festival

Eaton, Colorado, United States
$35.00 - $210.00
Trail running Running
Ultra 6.9K 22.5K Marathon +9
Colorado 13er (Half Marathon/10k/5k) logo
Jun
06

Colorado 13er (Half Marathon/10k/5k)

Louisville, Colorado, United States
$35.00 - $65.00
Running
Half-Marathon 10K 5K
Summer Vibes Bike Rally & Run Festival
Jun
06

Summer Vibes Bike Rally & Run Festival

Lyons, Colorado, United States
$129.00
Gravel biking Cycling Duathlon Running
Ultra BMX Summer Series Comp Run / Bike Combo Altra Trail Run Relay +4
The Steamboat Marathon logo
Jun
06

The Steamboat Marathon

Steamboat Springs, Colorado, United States
$70.00 - $125.00
Running
Marathon Half-Marathon 10K
Flamingo Day 5K logo
Jun
06

Flamingo Day 5K

Denver, Colorado, United States
$30.00
Running
5K
M1Le Nation Challenge logo
Jun
11

M1Le Nation Challenge

Fort Collins, Colorado, United States
$10.00 - $45.00
Running
1.6K Kids ½ Mile
Alpha 5K Challenge logo
Jun
12

Alpha 5K Challenge

Boulder, Colorado, United States
Running
5K