Found 110 races

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JUN
21

Boulder, CO
• 60.6 miles
$25 -$30
IN-PERSON-SUNDAY, JUNE 21st START AND FINISH AT FRANKLIN FIELD, CU BOULDER CAMPUS REGISTRATION FEES: Individual: $30/Person Duo: $55/Group of 2 Family (Up to 5 Individuals): $110/Family The 14th...
5K
16
JUN
21

Boulder, CO
• 60.6 miles
$20 -$80
Join us on Sunday, June 21st, for the Sunset Trail Running Festival in Gold Hill, CO! Hosted by The Boulder Watershed Collective and in collaboration with T.E.A.M Boulder, all money raised from...
1K 5K 12K 28K
13
JUN
23

Louisville, CO
• 96.4 miles
$30
A 5K (ish) for our school, our kids, and our community. Join us for The Red Schoolhouse Run — a fundraiser run benefiting Jefferson Street Preschool! From stroller-pushers to seasoned runners,...
7
JUN
25

Boulder, CO
• 96.0 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 Pott’s Field on...
10
JUN
27

Boulder, CO
• 94.5 miles
$20 -$45
Join us for the 29th running of the Downtown Boulder Pearl Street Mile on Saturday June 27th, all taking place on the Pearl Street Mall. It is a massive night of 1-Mile races on our criterium...
13
JUN
27

Bellvue Colorado
• 55.1 miles
Crisp morning air and a summer sunrise in Colorado. YES PLEASE! Join us on the foothills at Lory State Park for a fun & beautiful morning trail race experience. This run race features three...
5K 5m 10m
33
JUL
3

Granby, CO
• 108.5 miles
The course runs through Kaibab Park as well as downtown Granby! Start and finish areas are at the Destination Granby offices (516 East Agate Ave.). The course elevation is 7,935 feet. The run is...
5K
12
JUL
4

Boulder, CO
• 91.8 miles
$40 -$45
Join us for the 17th edition of the Avery Brewing Company 4K on the 4th, which is one of Boulder’s best running traditions to do on the 4th of July! July 4th is celebrated in a number of...
4K
5
JUL
4

Tabernash, CO
• 110.7 miles
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

Fort Collins, CO
• 57.6 miles
$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
• 63.2 miles
$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

Louisville, CO
• 96.9 miles
$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
• 83.3 miles
$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

Red Feather Lakes, CO
• 60.3 miles
$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

Winter Park, CO
• 113.6 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
18
JUL
4

Crawford, NE
• 113.8 miles
$25 -$35
Start your 4th of July with a fun run/walk along the White River Trail between Fort Robinson State Park and Crawford in beautiful Northwest Nebraska. The run will start at the Post Playhouse,...
5K
4
JUL
6

Boulder, CO
• 96.3 miles
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
9

Boulder, CO
• 96.0 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
11

Westminster, CO
• 102.3 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
172
JUL
11

Cheyenne, WY
• 14.5 miles
$25
The 12th annual Will Run for Cannoli 5k is a family fun run/walk and will be held on July 11, 2026 at Lions Park in Cheyenne. Participants can expect a fun course, age division prizes, raffles, a...
5K
30