Found 176 races

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JUL
4

Winter Park, CO
• 101.0 miles
$40
Continue your 4th of July celebration and join us in beautiful Winter Park, Colorado Unfiltered, for the Rendezvous Run for Independence 5k Run/Walk.  The 5K run/walk starts at  the Gondola Plaza...
5K
20
JUL
6

Boulder, CO
• 36.0 miles
A high-altitude day camp in Boulder for grades 6-12 to train with NCAA and elite runners.
20
JUL
9

Boulder, CO
• 35.6 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
13
JUL
10

Como, CO
• 51.2 miles
$80 -$385
The Human Potential Running Series Presents: The Silverheels Trail Runs @ COMO ROUNDHOUSE The Silverheels Trail Runs ...
60K 100K
77
JUL
11

Westminster, CO
• 24.2 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
179
JUL
11

Denver, CO
• 15.0 miles
$36 -$40
Cookie Chase in Denver, CO - annual community running event featuring great community spirit and atmosphere
5K
44
JUL
11

Denver, CO
• 3.1 miles
An inclusive 1-5K walk, run & roll in Denver hosted by the Assoc. of Black Psychologists.
1K 2K 3K 4K 5K
11
JUL
11

Littleton, CO
• 4.4 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
49
JUL
12

Lakewood, CO
• 14.5 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
39
JUL
18

Denver, CO
• 8.5 miles
$35
Join OCA Colorado for the annual 5K Panda Run & 1K Walk, a fun-filled community event with a powerful purpose: helping local students pursue higher education right here in the Denver area,...
1K 5K
7
JUL
18

Aurora, CO
• 1.6 miles
$7
On-campus 5K hosted by the CU Anschutz Run Club, raising money for DAWN, the free clinic.
5K
6
JUL
18

Littleton, CO
• 14.8 miles
$30 -$40
The 9th Annual Heritage Eagles 5K on the Liberty Bell course benefits the Heritage HS Cross Country Team.
5K
24
JUL
18

Castle Rock, CO
• 9.8 miles
$40 -$95
Join runners in Castle Rock for this half marathon.
5K 10K Half Marathon
312
JUL
19

Manitou Springs, CO
• 47.2 miles
$90 -$500
Historic 12.6-mile Pikes Peak mountain race up Barr Trail to Barr Camp.
51
JUL
23

Boulder, CO
• 26.9 miles
$20
USATF-sanctioned all-comers summer track and field meet at CU Potts Field in Boulder, CO.
13
JUL
25

Pine, CO
• 21.7 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
24
JUL
25

Aurora, CO
• 4.4 miles
$10 -$45
The 7/20 Foundation is proud to present the 5th annual Hero’s Journey 5k Run/Walk. This race makes its way through Aurora's City Center and the High Line canal trail with a start and finish in...
5K
23
JUL
26

Golden, CO
• 16.5 miles
$30 -$40
Spirit of the West 5K Run/Walk in Golden, CO - community 5K race featuring great community spirit and atmosphere
5K
139
AUG
1

Aurora, CO
• 2.1 miles
$12 -$47
Professionally timed 5K Run/Walk & Kids Fun Run at the Barbara Davis Center, benefiting the Children's Diabetes Foundation.
5K
13
AUG
1

Denver, CO
• 1.6 miles
Whether you’re a seasoned runner or just love to walk and take in the scenery, SKECHERS Wicked Wine Run is for you! Each course will be held on beautiful properties or various partner vineyards...
1K 5K
20