Found 313 races

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JUN
11

Boulder, CO
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
19
JUN
13

Skagway, AK
The Skagway Marathon, Half Marathon and Walking Half Marathon is an amazing race that takes place in the wilderness of Alaska. This 26-mile run climbs multiple hills as it traces its way through...
Half Marathon Marathon
17
JUN
13

Belfry, MT
Is 24 Hours too much? We have an 8 Hour Solo option and General Fun Registration! Please read the event FAQ's before registering! Just when you’re itching to get on the trails but the snow is...
33
JUN
13

Fort Lupton, CO
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
26
JUN
13

Arvada, CO
$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

Denver, CO
http://join.melanoma.org/site/TR?fr_id=1701&pg=entry
5K
JUN
13

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

Steamboat Springs, CO
$30 -$50
Let the trail races begin!! This is a challenging trail run on the scenic single track trails of historic Howelsen Hill, Steamboat’s outdoor playground. The trails of Emerald are beautiful this...
4m 8m
25
JUN
13

Denver, CO
https://www.jodisrace.org
5K
JUN
13

Littleton, CO
$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
26
JUN
13

Walsenburg, CO
$35
This is a 5k run and "fun run", walk for all abilities _ Walkers Welcome!! The route will loop the Lake at Lathrop State Park which was just voted Colorado's Favorite State Park!!   This event is...
5K
3
JUN
13

Colorado Springs, CO
$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...
43
JUN
13

Broomfield, CO
$35
CCD has ceased operations so we are no linger running this fundraiser.  Thank you to all that have supported CCD for the last 30+ years.
5K
24
JUN
14

Anywhere, CO
$27 -$40
Let's get walking or running or riding starting 6/6/26-6/14/26 to raise awareness and funds for 22q.  This virtual event will kick-off on Saturday, June 6 in your community, on your treadmill, or...
5K 10m Half Marathon 20m Marathon
21
JUN
14

Colorado Springs, CO
$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
48
JUN
14

Colorado Springs, CO
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. 
40
JUN
14

Littleton, CO
$45 -$90
                                               Run the Race. Stay for the Party. 
5K 10K
17
JUN
19

Littleton, CO
$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
$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
9