Found 176 races

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NOV
26

Denver, CO
• 13.9 miles
The Mile High United Way Turkey Trot is a 4-mile run at altitude through Washington Park.
5K 8K
21
NOV
26

Littleton, CO
• 6.9 miles
$35 -$45
Thanksgiving Day 5K at Clement Park in Littleton, CO.
5K
90
NOV
26

Erie, CO
• 34.7 miles
$25 -$50
A real Thanksgiving community run in Colorado, voted a top Colorado running event.
2m 4m
21
DEC
5

Westminster, CO
• 24.2 miles
$25 -$85
Ho-ho-hit the trail this holiday season at the 15th Annual Fa La La 5K, 10K & half marathon! This festive run/walk benefits A Precious Child and takes you on a scenic journey along the Big Dry...
5K 10K Half Marathon
54
DEC
5

Colorado Springs, CO
• 44.2 miles
$25 -$40
Saturday, December 06, 2025 Chasing Santa 5K/Cycling Santa Toy Drive Benefitting our local children Our Toy Drive Recipient for
5K 6m 10m 21m
113
DEC
5

Pine, CO
• 21.7 miles
$60 -$150
The Human Potential Running Series Presents: The Sawmill Trail Runs @ Staunton State Park The Sawmill Trail Runs; first started as a “Fat Ass” event at White Ranch Open Space in Golden, CO in...
50K
5
DEC
6

Westminster, CO
• 25.6 miles
$22 -$48
Join us for the annual Candy Cane Course 5k/10k/15k!  A fun, Christmas-themed event that is perfect for the whole family.The fun includes - Great Swag - designer shirt & custom medal Chip-timing...
1m 5K 10K 15K
22
DEC
6

Denver, CO
• 10.9 miles
$10 -$15
Rocky Mountain Road Runners (RMRR) holds a monthly Trophy Series race in the Denver area. Our December race will be in Denver's Washington Park with a 4.5 mile course for all runners.  Please...
4m
34
DEC
12

Thornton, CO
• 25.0 miles
$16 -$45
Kick off the holiday season with a spirited run/walk at Thornton's Carpenter Park. Choose from the chip-timed 5k, or experience the festive atmosphere in a shorter distance in our untimed Fun...
5K 75m
36
DEC
13

Denver, CO
• 13.9 miles
$25 -$55
Festive holiday 5K at Washington Park benefiting the Arthritis Foundation
1m 5K
3
DEC
19

Denver, CO
• 13.9 miles
$37 -$59
 The Santa's Dash for Cash event is a celebration of Slo-Hi/Denver and EVERY finisher will get a bonus envelope! Some of the gift envelopes contain CA$H, at least one envelope includes $100! 5k...
5K
37
DEC
20

Denver, CO
• 11.3 miles
$30 -$40
Get into the holiday spirit with the Ugly Sweater 5K! Runners and walkers, young and old, are invited to join us at Washington Park in Denver for a flat, fast 5K. Dress in a tacky sweater – the...
5K
54
DEC
31

Lyons, CO
• 50.0 miles
$10 -$50
This is a Test
12K
4
JAN
1

Arvada, CO
• 19.3 miles
$34 -$54
The Resolute Runner 5K is the KICK OFF PARTY OF THE YEAR! It's time to be RESOLUTE, to retroactively earn your pumpkin pie and chocolate truffles, and to start the new year on the right foot,...
5K
31
JAN
16

Centennial, CO
• 11.8 miles
$30 -$45
Join in our annual Martin Luther King Jr. Day Run! Today, we gather to honor the legacy of Dr. King and his enduring commitment to justice, equality, and peace. As we lace up our shoes and hit...
1m 5K 10K Half Marathon
4
JAN
30

Centennial, CO
• 11.8 miles
$30 -$45
☕️ 🏃‍♂️ ☕️ 🏃‍♂️ ☕️ 🏃‍♂️ For all the Coffee Lovers, this run is for you! You’ll love the shirt we send you. Set a goal, bring a friend, and join this super fun 5K/10K/13.1 Half-Marathon! The first...
1m 5K 10K Half Marathon
3
FEB
13

Arvada, CO
• 12.6 miles
$30 -$50
Are you a Heart Throb?  Grab your best running buddy and come on out to Johnny Roberts Memorial Park just down from Olde Town Arvada.  Celebrate the ability to get your heart pumping by cruising...
5K
53
FEB
14

Colorado Springs, CO
• 49.5 miles
$35 -$90
The streets and trails of downtown Colorado Springs are not exactly the "Frozen Tundra of Lambeau Field," but on Super Bowl Sunday, Feb. 14, 2027, more than 1,500 runners will race for paydirt...
5K Half Marathon
6
FEB
28

Highlands Ranch, CO
• 15.9 miles
$38 -$65
Winter never disappoints us when racing in February in Highlands Ranch!  You won't feel chilly after a course so hilly!  After conquering the 5k, warm up with hot apple cider or hot cocoa at the...
5K
31
MAR
13

Westminster, CO
• 14.3 miles
$38 -$58
Join us for the annual Erin Go Bragh 7.77k! This is THE LUCKIEST race on earth! There may not be a real pot of gold at the finish line of this happy-go-lucky fun run, but there WILL be UNLIMITED...
7K
24