Upcoming 10Ks in Colorado
Glenwood Springs, CO
Strawberry Shortcut
Jun 23, 2024
Greeley, CO
Superhero Event
Sep 21, 2024
Denver, CO
Impact Uganda 5K/10K
Aug 17, 2024
Donot Stop
Aug 31, 2024
Denver Rocks Run 5K/10K
Sep 8, 2024
Move Forward 5K & 10K
Sep 21, 2024
bRUNch Run
Oct 13, 2024
MonsterDash Run
Oct 26, 2024
Ghosts and Goblins 5K/10K
Oct 27, 2024
Denver Veterans Day Run
Nov 9, 2024
Pumpkin Pie 5K/10K
Nov 16, 2024
Colorado Springs, CO
Head and Neck Cancer A Hard Thing to Swallow 5K/10K
May 11, 2024
Blue Moon Trail Run
Jul 26, 2024
May 24, 2024
Jun 28, 2024
Angel Run
May 27, 2024
Garden of the Gods 10 Mile Run
Jun 9, 2024
Race to the Polls
Jun 22, 2024
Summer Sizzler
Jul 20, 2024
Hometown Half Marathon
Aug 10, 2024
Donot Stop
Aug 31, 2024
Spooky Sprint - Colorado Springs
Oct 6, 2024
Bobcat Trail Race
Oct 19, 2024
Turkey Trails
Nov 2, 2024
Stories Trail Runs
Feb 15, 2025
Feb 16, 2025
Rattler Trail Race
Apr 19, 2025
Grand Junction, CO
Elevate Kids Fun Run
Apr 6, 2025
Woodland Park, CO
Above the Clouds Ultra
Oct 5, 2024
Golden, CO
Golden Gallop
Sep 22, 2024
All-Out Kooky-Spooky
Oct 27, 2024
All-Out Spring Fever
Mar 23, 2025
Steamboat Springs, CO
Spirit Challenge
May 18, 2024
Steamboat Marathon
Jun 2, 2024
10K at 10,000 Feet Trail Run
Sep 1, 2024
Centennial, CO
High Line Canal Run
May 11, 2024
Parker, CO
Labor Day Half Marathon
Sep 2, 2024
Westminster, CO
Colorado Women's Classic - Westminster
May 12, 2024
All-Out Dog Days
Jul 13, 2024
Summer Sizzler
Jul 21, 2024
Holy Cow Trail Stampede
Aug 10, 2024
Hometown Half Marathon
Aug 11, 2024
Westminster Trail Race
Aug 24, 2024
All-Out Fall Fest
Sep 14, 2024
Prairie Dog Half and 10K/5K
Sep 28, 2024
Not So Flatt Breast Cancer Awareness Run/Walk
Oct 5, 2024
Spooky Sprint - Denver
Oct 5, 2024
All-Out Fa La La
Dec 7, 2024
Candy Cane Run
Dec 15, 2024
Six Pack Series Winter Westminster 5K and 10K
Feb 22, 2025
All-Out Beat the Heat
Apr 19, 2025
Englewood, CO
Jeremy Bitner Fallen Officer 5K/10K Run
Jun 29, 2024
Louisville, CO
Colorado 13er
Jun 2, 2024
Let Freedom Run
Jul 4, 2024
Louisville Trail Race
Sep 28, 2024
The Pretzel Run Colorado
Oct 12, 2024
MonsterDash Run
Oct 27, 2024
Santa Claus Runs
Dec 14, 2024
Arctic Prairie Dog Half
Jan 19, 2025
Castle Rock, CO
Memorial Day Run & March
May 18, 2024
Prairie Dog Half and 10K - Castle Rock
Jul 20, 2024
Reece's Roundup
Aug 3, 2024
Castle Rock Trail Festival
Oct 5, 2024
Broomfield, CO
Broomfield Turkey Day 5K/10K
Nov 28, 2024
Vail, CO
Mountain Games - 10K Spring Runoff
Jun 9, 2024
Vail Recreation District 5K & 10K @ 10,000 Feet
Jul 20, 2024
Aspen, CO
Power of Four Trail Run
Jul 20, 2024
Highlands Ranch, CO
Mountain Ridge Trail Race
Jun 1, 2024
Littleton, CO
Colorado Friends of First Responders
May 11, 2024
Colorado Friends of First Responders Annual Run
May 11, 2024
The 80s Run
Jun 22, 2024
HRCA Wildcat Mountain Trail Races
Sep 28, 2024
Arvada, CO
All-Out Summer Breeze
Jun 8, 2024
Father's Day Classic
Jun 16, 2024
All-Out Runapalooza
Aug 3, 2024
10K Turkey Trek & 5K Turkey Trot
Nov 23, 2024
All-Out Polar Prowl
Jan 11, 2025
All-Out Mardi Crawl
Feb 22, 2025
Spring Fling Prairie Dog Half
Apr 13, 2025
Boulder, CO
Boulder Mothers Day Run
May 12, 2024
BOLDERBoulder 10K
May 27, 2024
Boulder Sunrise 10K and 5K
Jun 23, 2024
Boulder Rez Marathon
Aug 3, 2024
Boulder Sunset 10K/5K
Aug 24, 2024
Boulderthon: Downtown Boulder Marathon
Sep 29, 2024
Leadville, CO
Leadville 10K
Aug 11, 2024
Brighton, CO
I Can 5K with Deja Vu 10K
Jul 13, 2024
Pagosa Springs, CO
Turkey Springs Showdown Trail Races
Aug 10, 2024
Snowmass Village, CO
Colorado Brewery Running Series
Jun 14, 2024
Jun 15, 2024
Ridgway, CO
Ridgway Log Hill Hustle 5K/10K
Aug 25, 2024
Windsor, CO
Red, White and Brew 5K, 10K & Half Marathon
Jun 22, 2024
Windsor Marathon
Oct 6, 2024
Santa Catch 5K & 10K
Dec 14, 2024
Lakewood, CO
Bear Chase Race - Half Marathon & 10K
Sep 29, 2024
Sep 28, 2024
Turkey Trails
Nov 3, 2024
Canon City, CO
Royal Gorge Whitewater Festival Trail Runs
Jul 27, 2024
Conifer, CO
Elevation Run/Walk
Jul 27, 2024
Palmer Lake, CO
DU Dash Colorado
Jun 9, 2024
Beaver Creek, CO
Summer Solstice
Jun 22, 2024
Beulah, CO
Beulah Challenge
Sep 21, 2024
Byers, CO
BINGO! Trail Runs
Nov 9, 2024
Minturn, CO
Meadowgold Trail Run
Sep 14, 2024
Keenesburg, CO
Into The Wild Running Festival
Jun 8, 2024
Divide, CO
Endure Trail Runs
May 18, 2024
Fort Collins, CO
Colorado Marathon
May 5, 2024
Lory Summer Trail Series
Aug 6, 2024
Aug 27, 2024
Aug 20, 2024
Aug 13, 2024
Human Race
Aug 10, 2024
New Castle, CO
New Castle Dirty Dozen Trail Running Race
Aug 2, 2024
Cheyenne Mountain State Park, CO
The Cheyenne Mountain Run
Aug 17, 2024
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| Sat | Sun | Mon | Tue | Wed | Thu | Fri | Multiple |
City Location
1. Colorado Marathon
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May 5, 2024Sunday
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26.2M, 13.1M, 10K, 5K run | 26.2M relay
More Information
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Boston Marathon Qualifier
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Fort Collins, CO
Larimer County, CO
2. Colorado Friends of First Responders Annual Run
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May 11, 2024Saturday
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10K, 5K run
More Information
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Littleton, CO
Arapahoe County, CO
3. Colorado Friends of First Responders
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May 11, 2024Saturday
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10K, 5K run | kids run
More Information
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Littleton, CO
Arapahoe County, CO
4. Head and Neck Cancer A Hard Thing to Swallow 5K/10K
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May 11, 2024Saturday
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10K, 5K run
Virtual OptionMore Information
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Colorado Springs, CO
El Paso County, CO
5. High Line Canal Run
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May 11, 2024Saturday
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10K, 5K run
More Information
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Centennial, CO
Arapahoe County, CO
6. Boulder Mothers Day Run
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May 12, 2024Sunday
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13.1M, 10K, 5K trail run
More Information
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Boulder, CO
Boulder County, CO
7. Colorado Women's Classic - Westminster
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May 12, 2024Sunday
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10M, 10K, 5K run | kids run
More Information
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Women Only
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Westminster, CO
Adams County, COJefferson County, CO
8. Head and Neck Cancer A Hard Thing to Swallow 5K/10K
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May 12, 2024Sunday
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10K, 5K run
Virtual OptionMore Information
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Thornton, CO
Adams County, CO
9. Endure Trail Runs
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May 18, 2024Saturday
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24H, 12H, 13.1M, 10K trail run
More Information
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Divide, CO
Teller County, CO
10. Memorial Day Run & March
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May 18, 2024Saturday
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30K, 10K, 5K run
Virtual OptionMore Information
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Castle Rock, CO
Douglas County, CO
11. Spirit Challenge
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May 18, 2024Saturday
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10K, 5K run | kids run
More Information
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Steamboat Springs, CO
Routt County, CO
12. Angel Run
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May 27, 2024Monday
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10K, 5K run
Virtual OptionMore Information
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Colorado Springs, CO
El Paso County, CO
13. BOLDERBoulder 10K
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May 27, 2024Monday
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10K run
More Information
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Boulder, CO
Boulder County, CO
14. Louise Hammond Memorial Beardance Run
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Jun 1, 2024Saturday
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13.1M, 10K, 5K run
More Information
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Towaoc, CO
Montezuma County, CO
15. Mountain Ridge Trail Race
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Jun 1, 2024Saturday
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21M, 13.1M, 10K, 5K trail run
More Information
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Highlands Ranch, CO
Douglas County, CO
16. Colorado 13er
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Jun 2, 2024Sunday
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13.1M, 10K, 5K run
More Information
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Louisville, CO
Boulder County, CO
17. Crazy Legs 10K+ Trail Run
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Jun 2, 2024Sunday
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10K trail run
More Information
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Loveland, CO
Larimer County, CO
18. Steamboat Marathon
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Jun 2, 2024Sunday
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26.2M, 13.1M, 10K run | kids run
More Information
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Boston Marathon Qualifier
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Steamboat Springs, CO
Routt County, CO
19. All-Out Summer Breeze
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Jun 8, 2024Saturday
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13.1M, 10K, 5K run
Virtual OptionMore Information
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Arvada, CO
Jefferson County, CO
20. Into The Wild Running Festival
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Jun 8, 2024Saturday
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10K, 5K run
More Information
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Keenesburg, CO
Weld County, CO
For the love of all that Is good And moisture wicking...
Though we Try To be accurate And On top Of things... Race details can change When we aren't lookin. And once in a while we simply make a mistake.
ALWAYS visit the race's website for the most complete and accurate race information.
ALWAYS visit the race's website for the most complete and accurate race information.