Found 340 races

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JUL
4

Tabernash, CO
Devil's Thumb Ranch is happy to present the first annual 5K/15K running race and walk that will start at Devil’s Thumb Ranch Resort & Spa. The course consists of gentle rolling hills and moderate...
5K 15K
10
JUL
4

Durango, CO
$15
Celebrate 250 years of freedom with one MILE race down Durango's historic Main Avenue. Starting at Buckley Park and turning around at the train station, enjoy the opportunity to test your speed...
38
JUL
4

Fort Collins, CO
$10 -$55
Friday July 4th, 2026 Walk ⭐️ Jog ⭐️ Run ⭐️ Race Kick off your holiday festivities with a 5k in City Park, Fort Collins Start your Fourth of July with movement, community, and celebration at the...
5K
35
JUL
4

Greeley, CO
$35 -$45
Celebrate the Fourth of July with run.Windsor in Greeley, Colorado as we bring back the annual July 4th Freedom 5k walk and run, along the Greeley Stampede 4th of July Parade Route! Participants...
5K
70
JUL
4

Littleton, CO
$45 -$65
Kick off your 4th of July with a family-friendly and festive 5K on Saturday, July 4, beginning at 7:30 a.m.! Celebrate Independence Day with a fun morning on the move — this spirited run/walk...
5K
34
JUL
4

Buena Vista, CO
$30 -$35
Join us for the Independence Day 5K in Buena Vista, CO on July 4th, 2025!  
3K 5K
13
JUL
4

Louisville, CO
$40 -$65
Let Freedom Run 5k/10k - Louisville in Louisville - 5K, 10K. Register today for this exciting race!
0m 5K 10K
235
JUL
4

Longmont, CO
$40 -$55
Dress up as your favorite American Hero! This could be your mom, dad, Albert Einstein, Batman, Superman, or the Powerpuff girls! This event is all about celebrating GREAT people who do and have...
0m 5K
54
JUL
4

Ouray, CO
$25 -$45
This year marks the 43rd Annual Ourayce 10K Fun Run. This event is hosted by the Home Trust of Ouray County, a nonprofit organization whose mission is to provide permanently affordable housing...
10K
26
JUL
4

Palmer Lake, CO
$20 -$50
Charity fun in Palmer Lake benefiting important causes with great community spirit
114
JUL
4

Pueblo, CO
$19
Music festival run 5K trail with supporting local charities and scenic course
5K
96
JUL
4

Red Feather Lakes, CO
$40 -$50
Enjoy a scenic fun run in and around Red Feather Lakes, Colorado including a route through Fox Acres Golf Course! Start at and finish at The Tavern at Red Feather Lakes for an expo in the parking...
3m
44
JUL
4

Grand Junction, CO
$10 -$35
Join us for the 1st annual Red, White, and WARRIOR 5k this Independence Day! This family-friendly race is proudly hosted by and benefits the Central High School Warrior Marching Band. Runners,...
5K
32
JUL
4

Winter Park, CO
$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
18
JUL
4

Meeker, CO
$20 -$30
Kick off the 4th of July with a family-friendly and festive 5K.  This fun run/walk is perfect for first-time 5K participants, elite runners, kids, parents with strollers, and everyone in...
5K
23
JUL
6

Boulder, CO
Nestled 5,430 feet above sea level, Boulder, Colorado is renowned as the heart of the running world, home to Olympic athletes and elite runners alike. This summer, experience the ultimate...
16
JUL
6

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

Boulder, CO
$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
$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
$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
172