Found 226 races near Bailey, CO

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JUL
6

Keystone, CO
• 6.6 miles
$1350
High altitude running camp for HS athletes
39
JUL
9

Boulder, CO
• 51.5 miles
$20
NO Race Day Registrations Fun for all, from newcomers of any age racing for the first time to veteran competitors looking to test their fitness, all in a friendly, welcoming environment. We are...
1m
9
JUL
10

Como, CO
• 42.7 miles
$80 -$385
The Human Potential Running Series Presents: The Silverheels Trail Runs @ COMO ROUNDHOUSE The Silverheels Trail Runs ...
60K 100K
73
JUL
11

Westminster, CO
• 46.1 miles
$35 -$85
Get ready for a sun-soaked adventure and a fantastic mid-season challenge with our 13th Annual Dog Days 5K, 10K & Half Marathon, benefiting Do Over Dogs! Held in a central location between Denver...
5K 10K Half Marathon
173
JUL
11

Denver, CO
• 32.9 miles
$33 -$40
Cookie Chase in Denver, CO - annual community running event featuring great community spirit and atmosphere
5K
40
JUL
11

Denver, CO
• 38.5 miles
$10 -$35
Move your way. Connect in community. Support health—body and mind. Join the Denver-Rocky Mountain Association of Black Psychologists for the DRMABPsi 1–5K Walk, Run & Roll, an inclusive,...
1K 2K 3K 4K 5K
8
JUL
11

Littleton, CO
• 53.4 miles
$17 -$85
Join us for the Heatwave Half Marathon, 10K, & 5K!A sun-soaked summer challenge that’s perfect for the whole family. The fun includes – Great Swag – designer shirt & custom medalChip-timing with...
1m 5K 10K Half Marathon
47
JUL
12

Colorado Springs, CO
• 24.3 miles
$17 -$72
Join us for the Heatwave Half Marathon, 10K, & 5K!A sun-soaked summer challenge that’s perfect for the whole family. The fun includes – Great Swag – designer shirt & custom medalChip-timing with...
1m 5K 10K Half Marathon
72
JUL
12

Lakewood, CO
• 27.1 miles
$10 -$15
Rocky Mountain Road Runners holds a monthly Trophy Series in the Denver area.  We provide a low-key, low-cost racing environment. Everyone is welcome to run with us! The race uses a handicap...
2m
29
JUL
13

Keystone, CO
• 6.6 miles
High altitude running camp for HS athletes
42
JUL
16

Colorado Springs, CO
• 55.4 miles
$35
This 5K Run/Walk event is in conjunction with the 47th PNAA National Convention in Colorado Springs, CO. 5K Start and Finish Location: Colorado Springs, CO MAP INSERT Bib Pick-Up July 15th PNAA...
5K
24
JUL
18

Denver, CO
• 33.8 miles
$35
Join OCA Colorado for the annual 5K Panda Run & 1K Walk, a fun-filled community event with a powerful purpose: helping local Asian Pacific American (APA) students pursue higher education right...
1K 5K
6
JUL
18

Aurora, CO
• 41.4 miles
$7 -$20
Please join the CU Anschutz Run Club on July 18, 2026 for an on-campus 5k celebrating the outdoors and the CU Anschutz community! We are also raising money for DAWN, CU Anschutz's free clinic.
5K
3
JUL
18

Alma, CO
• 38.1 miles
$10 -$30
Start your morning the Alma way — with a little fresh mountain air, some movement, and a big stack of pancakes. Join us for the Firefighter 5K, a laid-back community run where everyone is...
5K
27
JUL
18

Littleton, CO
• 28.0 miles
$30 -$40
Run for the Eagles!Support the Heritage Eagles Cross Country Team at the 9th Annual Heritage Eagles 5K!Last year’s event raised over $3,500 for the team, and with $10 from each registration going...
5K
19
JUL
18

Castle Rock, CO
• 12.7 miles
$40 -$95
Join runners in Castle Rock for this half marathon.
5K 10K Half Marathon
292
JUL
18

Buena Vista, CO
• 7.0 miles
TransRockies Charity Bibs We are so excited to collaborate with TransRockies to offer charity bibs to this inspiring community! Join us on this 3-day running adventure through the Rockies and do...
11
JUL
19

Manitou Springs, CO
• 48.0 miles
$90 -$500
  The Barr Trail Mountain Race is one of the Front Range’s historic summer mountain running events. The 12.6-mile course begins at the Cog Railway Station (6,570 ft) in Manitou Springs, Colorado,...
45
JUL
23

Boulder, CO
• 51.5 miles
$20
Fun for all, from newcomers of any age racing for the first time to veteran competitors looking to test their fitness, all in a friendly, welcoming environment. We are back at CU Potts...
10
JUL
25

Pine, CO
• 37.1 miles
DescriptionCome run with us in amazing Staunton State Park!This race day will offer a 10 mile distance.Play fun games from our rec trailer, visit our sponsors and vendor tents while you wait for...
10m
14