Found 302 races

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JUN
10

Idaho Springs, CO
• 24.9 miles
Run the Mighty ARGO hill this summer in a 4 race series! This is a grass(gold)roots, backyard style event. Meet at 5pm in the park across from the Argo to pick up your wristband. Race starts at...
12
JUN
11

Boulder, CO
• 8.5 miles
$15 -$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...
1m
16
JUN
13

Fort Lupton, CO
• 30.0 miles
DescriptionA certified 5k Race starts on South Harrison Avenue in front of the back parking lot. Start time 8:00am. Runners will take off first; Walkers immediately following. Packet Pick up at...
5K
24
JUN
13

Arvada, CO
• 16.7 miles
$40 -$85
Join us for our 14th annual Summer Breeze, benefiting the Food Bank of the Rockies! This event features 5K, 10K, and Half Marathon courses that meander along the Van Bibber Creek Trail, offering...
5K 10K Half Marathon
526
JUN
13

Loveland, CO
• 28.5 miles
$85
Are you ready to test your limits and honor our heroes? Join us for the 5th Annual Health4Heroes Guardian Games, an electrifying Military and First Responder-inspired fitness competition like no...
15
JUN
13

Parker, CO
• 40.2 miles
$30
Fun 3 mile walk benefitting Habitat for Humanity of Metro Denver. June 13, 2026, 9 - noon  
7
JUN
13

Fort Collins, CO
• 37.2 miles
$25 -$40
Sam’s Rainbow Run: Honoring a Legacy of Love and Kindness I started Sam’s Rainbow Run as a way to honor Sam’s legacy and keep his spirit alive. Sam was passionate about helping those less...
5K
12
JUN
13

Littleton, CO
• 30.4 miles
$35 -$45
Stepping Stone Support Center and Trailhead Community have come together to present this amazing event to benefit adults with developmental disabilities, raising both awareness and funds to give...
2K 5K
24
JUN
13

Colorado Springs, CO
• 35.8 miles
$25
How fast can you run a mile? What if you got to do it on a downhill? Join the Pikes Peak Road Runners and RunMental: Physical Therapy and Performance Coaching for the Springs Downhill Mile on...
41
JUN
13

Thornton, CO
• 34.6 miles
$17 -$85
Every Registration IncludesGreat Swag - designer shirtCustom medalChip-timing with live results and awardsFree photosGreat snacks at the finish line!Plenty of fun!Grab your friends and family,...
1m 5K 10K 15K
32
JUN
13

Broomfield, CO
• 39.5 miles
$35
Grab those tutus and come run with us to raise money for the Colorado Conservatory of Dance. This run/walk will be a party full of smile, music, and dancing! The 5K is a 3 loop course on a...
5K
22
JUN
14

Colorado Springs, CO
• 34.3 miles
$15 -$100
The Garden of the Gods Ten Mile, 10K, and Trail Run® is the premier race of Colorado Springs, coursing through the 300′ towering sandstone rock formations of Garden of the Gods Park, including...
10K 10m
46
JUN
14

Colorado Springs, CO
• 34.3 miles
The Garden of the Gods Little Horn and Big Horn Kids Races One lap (.5 M) around Rock Ledge Ranch for the little horns. Two laps (1 M) for the big horns. 
37
JUN
14

Littleton, CO
• 17.5 miles
$40 -$84
                                               Run the Race. Stay for the Party. 
5K 10K
16
JUN
14

Colorado Springs, CO
• 38.2 miles
$17 -$72
Every Registration IncludesGreat Swag - designer shirtCustom medalChip-timing with live results and awardsFree photosGreat snacks at the finish line!Plenty of fun!Grab your friends and family,...
1m 5K 10K 15K
30
JUN
19

Littleton, CO
• 12.4 miles
$45 -$50
Looking for something to do with the whole family on Father's Day Weekend? Look no further than the Happy Hour Half K on Friday, June 19, starting at 6:00 p.m., at Civic Green Park in Highlands...
13
JUN
20

Colorado Springs, CO
• 35.8 miles
$25
Calling all animal lovers and the dogs they adore — lace up your sneakers and join us for the 13th Annual Doggie Dash 5K! Whether you run, walk, stroll, or simply stop to sniff along the way,...
5K
7
JUN
20

Colorado Springs, CO
• 29.8 miles
$20 -$1250
"The righteous man walks in his integrity; His children are blessed after him." - Proverbs 20:7  "The father sees his returning son from a distance and, moved by compassion, runs to embrace and...
5K
31
JUN
20

Dacono, CO
• 21.2 miles
Muddy Dash is not your average mud run! Get ready for up to 3 Miles of messy mayhem. You and your friends/family can expect to run, walk, crawl, wade, slip, slide, and scream with excitement as...
55
JUN
20

Kremmling, CO
• 53.2 miles
$10 -$30
Come join us for the 2026 Mustang Mile  The 2026 Mustang Mile is a timed Run/ Walk in Kremmling, Colorado. This event will kick off the Kremmling Days Parade with a route through Main Street....
16