Found 240 races

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JUN
11

Boulder, CO
• 96.0 miles
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

Fort Lupton, CO
• 86.6 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
26
JUN
13

Arvada, CO
• 61.8 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

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

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

Steamboat Springs, CO
• 67.3 miles
$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
• 67.7 miles
https://www.jodisrace.org
5K
JUN
13

Cheyenne, WY
• 52.7 miles
This is a four person relay race where each runner runs 1/2 mile around a course in the park.  Thus the entire race is 2 miles.  There will be three races dependent on the ability level of each...
21
JUN
13

Littleton, CO
• 75.4 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
26
JUN
13

Broomfield, CO
• 98.3 miles
$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

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

Littleton, CO
• 80.7 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

Dacono, CO
• 88.9 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
• 125.3 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....
17
JUN
20

Parker, CO
• 88.1 miles
$45 -$50
Dash Across the Dam Father’s Day 5K with RNK Running & Walking Date: June 20, 2026Time: 5K: 8 a.m.  Location: Rueter-Hess Reservoir5K Event Fee: Starts at $40* (plus processing fee)Price increase...
5K
25
JUN
20

Windsor, CO
• 36.6 miles
$15 -$130
Family-friendly fun in Windsor welcoming runners and walkers of all ages
1m 5K 10K Half Marathon
298
JUN
20

Loveland, CO
• 31.6 miles
$10 -$40
Thank YOU for supporting this wonderful cause.                                                                    Sierra's 5K Run/Walk entrees include:                                            ...
5K
29
JUN
20

Thornton, CO
• 60.7 miles
$24 -$61
5K road featuring competitive racing and community celebration
5K
205
JUN
21

Boulder, CO
• 45.2 miles
$25
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