Upcoming Races in Colorado on Sundays
Evergreen, CO
Evergreen Town Race
Aug 4, 2024
Longmont, CO
Boulder Track Series Meet 2
Apr 28, 2024
Frank Shorter Track Classic
May 12, 2024
Outdoor Divas Sprint Triathlon
Aug 18, 2024
Colorado Brewery Running Series
Sep 15, 2024
Oktoberfest Sprint Triathlon
Sep 22, 2024
Glenwood Springs, CO
Strawberry Shortcut
Jun 23, 2024
Sunlight Showdown
Sep 22, 2024
Thornton, CO
RMRR Spring Marathon Training Series
Mar 24, 2024
Apr 28, 2024
Head and Neck Cancer A Hard Thing to Swallow 5K/10K
May 12, 2024
Firecracker 4 and 8 Mile
Jun 30, 2024
RMRR Trophy Series - September
Sep 8, 2024
Denver, CO
Healthy Kids Running Series
Apr 14, 2024
Apr 21, 2024
May 5, 2024
May 19, 2024
1 more
Colorado Brewery Running Series
May 5, 2024
RMRR Trophy Series - May
May 5, 2024
Mothers Day 5K
May 12, 2024
Denver Colfax Marathon
May 19, 2024
May 18, 2024
Flamingo Day 5K
Jun 2, 2024
RMRR Trophy Series - June
Jun 2, 2024
Big Run 5K
Jun 9, 2024
Donor Dash
Jul 21, 2024
Dash for Smiles
Jul 28, 2024
Denver Rocks Run 5K/10K
Sep 8, 2024
Nun Run
Sep 15, 2024
Hot Chocolate 15K/5K
Oct 6, 2024
Michael J. Fox Foundation Run
Oct 6, 2024
bRUNch Run
Oct 13, 2024
Ghosts and Goblins 5K/10K
Oct 27, 2024
RMRR Trophy Series - November
Nov 3, 2024
RMRR Trophy Series - December
Dec 1, 2024
Ugly Sweater 5K
Dec 15, 2024
Central Park 5K
Mar 23, 2025
Donut Dash 5K
Apr 6, 2025
The Mile High 4.20K
Apr 20, 2025
Colorado Springs, CO
Ram Party
May 18, 2024
May 19, 2024
Run to the Shrine
May 18, 2024
May 19, 2024
Garden of the Gods 10 Mile Run
Jun 9, 2024
Colorado Springs Spartan Trifecta
Jun 15, 2024
Jun 16, 2024
Ring the Springs
Jun 22, 2024
Jun 23, 2024
Orangetheory 5K at Labor Day Lift Off
Sep 1, 2024
Pikes Peak Road Runners Fall Series
Oct 20, 2024
Oct 6, 2024
Nov 17, 2024
Nov 3, 2024
Spooky Sprint - Colorado Springs
Oct 6, 2024
Colorado Brewery Running Series
Nov 10, 2024
Super Half Marathon and Game Day 5K
Feb 9, 2025
Stories Trail Runs
Feb 15, 2025
Feb 16, 2025
Silverton, CO
Kendall Mountain Run
Jul 7, 2024
Aurora, CO
Healthy Kids Running Series
Apr 14, 2024
Apr 21, 2024
Apr 28, 2024
May 19, 2024
1 more
Altitude Elementary Moose Mudder
May 5, 2024
Average Joe Run 5K
Aug 11, 2024
RMRR Trophy Series - October
Oct 6, 2024
Expo Park XC
Oct 13, 2024
Durango, CO
Narrow Gauge 10 Mile
May 26, 2024
Idaho Springs, CO
Mt. Evans Ascent
Jun 23, 2024
Fruita, CO
Fruita Trail Half
May 12, 2024
Desert RATS Kokopelli 150 Stage Race
Jun 16, 2024
Rim Rock Marathon and Half Marathon
Nov 3, 2024
Grand Junction, CO
Dialysis Dash 5K
Jun 2, 2024
Elevate Kids Fun Run
Apr 6, 2025
Woodland Park, CO
Pony Express Run
Sep 22, 2024
Golden, CO
Fairmount 5K Pancake Fun Run
Apr 28, 2024
Spirit Of The West 5K
Jul 28, 2024
Golden Gallop
Sep 22, 2024
All-Out Kooky-Spooky
Oct 27, 2024
All-Out Spring Fever
Mar 23, 2025
Steamboat Springs, CO
Steamboat Marathon
Jun 2, 2024
Emerald Mountain Epic
Aug 4, 2024
Stagecoach Gravel Triathlon
Aug 4, 2024
10K at 10,000 Feet Trail Run
Sep 1, 2024
Centennial, CO
South Suburban Youth & Adult TRYathlon
Jun 23, 2024
Buena Vista, CO
Spirit Trail Run
May 26, 2024
14er Fest Races
Sep 29, 2024
Westminster, CO
Colorado Women's Classic - Westminster
May 12, 2024
Summer Sizzler
Jul 21, 2024
Eye Love Logan and Zoe 5K
Aug 11, 2024
Hometown Half Marathon
Aug 11, 2024
Westy Half & 5K
Oct 13, 2024
Candy Cane Run
Dec 15, 2024
Candy Cane Course
Dec 22, 2024
Manitou Springs, CO
Barr Trail Mountain Race
Jul 21, 2024
Pikes Peak Ascent and Marathon
Sep 22, 2024 - Marathon
Sep 21, 2024 - Ascent
Erie, CO
Healthy Kids Running Series
May 19, 2024
May 26, 2024
Jun 2, 2024
Jun 9, 2024
1 more
Erie Half & 5K
Aug 18, 2024
Pueblo, CO
Ordinary Mortals Triathlon
May 18, 2025
Louisville, CO
Colorado 13er
Jun 2, 2024
MonsterDash Run
Oct 27, 2024
Arctic Prairie Dog Half
Jan 19, 2025
Castle Rock, CO
Tri the Rock
Sep 8, 2024
Loveland, CO
Crazy Legs 10K+ Trail Run
Jun 2, 2024
Honey Bee Hustle
Sep 8, 2024
Last Call Triathlon
Sep 29, 2024
Narrowleaf Lake Run
Oct 27, 2024
Vail, CO
Mountain Games - 10K Spring Runoff
Jun 9, 2024
Mountain Games - Pepi's Face-Off
Jun 9, 2024
Marble, CO
Lead King Loop Charity Race
Sep 15, 2024
Highlands Ranch, CO
Highlands Ranch 5K
Feb 23, 2025
Littleton, CO
Stepping Stone 5K
Jun 2, 2024
Colorado Brewery Running Series
Jun 9, 2024
Pancake Stampede 5K
Aug 11, 2024
Flyin' Lion 5K
Sep 15, 2024
Go Big or Go Gnome 5K
Oct 13, 2024
Arvada, CO
Miles for Smiles 5K
May 19, 2024
Father's Day Classic
Jun 16, 2024
Run With The Wolves
Sep 29, 2024
Spring Fling Prairie Dog Half
Apr 13, 2025
Estes Park, CO
Estes Park Marathon
Jun 16, 2024
Jun 15, 2024
Boulder, CO
Boulder Mothers Day Run
May 12, 2024
Boulder Sunrise 10K and 5K
Jun 23, 2024
Boulder Sunrise Triathlon
Jun 23, 2024
Buffs4Life Kyle MacIntosh Memorial Fun Run
Jun 23, 2024
Sunset Trail Running Festival
Jun 23, 2024
Colorado Brewery Running Series
Jun 30, 2024
Boulder Peak Triathlon
Jul 14, 2024
Rocky Mountain Tri Fest
Aug 11, 2024
Boulderthon: Downtown Boulder Marathon
Sep 29, 2024
Lucky Leprechaun 5K
Mar 16, 2025
Leadville, CO
Fish Hatchery 5K
Jun 2, 2024
Leadville 10K
Aug 11, 2024
Brighton, CO
Barr Lake 30K and 15K
Jul 14, 2024
Ridgway, CO
Ridgway Log Hill Hustle 5K/10K
Aug 25, 2024
Ridgway 1K Rally Thru the Alley
Sep 29, 2024
Wheat Ridge, CO
Farmers 5000
Sep 15, 2024
Windsor, CO
Windsor Marathon
Oct 6, 2024
Lakewood, CO
RMRR Trophy Series - July
Jul 7, 2024
Bear Chase Race - Half Marathon & 10K
Sep 29, 2024
Sep 28, 2024
Turkey Trails
Nov 3, 2024
Canon City, CO
Wine Run 5K at Holy Cross Abbey
Sep 1, 2024
Commerce City, CO
Wild For Life Triathlon
Oct 13, 2024
Palmer Lake, CO
DU Dash Colorado
Jun 9, 2024
Fort Carson, CO
Tough Mudder - Colorado
Jul 20, 2024
Jul 21, 2024
Divide, CO
Great Divide Ultra
Jun 1, 2024
Jun 2, 2024
Fort Collins, CO
Flying Pig 5K
Apr 28, 2024
Colorado Marathon
May 5, 2024
Healing Warriors Program 5K Fun Run
May 19, 2024
Fall Equinox Marathon
Sep 22, 2024
Colorado Brewery Running Series
Oct 6, 2024
Horsetooth Half Marathon
Apr 13, 2025
Nathrop, CO
Sawatch Ascent
Sep 29, 2024
Steamboat Lake, CO
Steamboat Lake Triathlon
Jul 28, 2024
Red Feather Lakes, CO
Red Feather Trail Jamboree
Sep 21, 2024
Sep 20, 2024
Sep 22, 2024
Sat | Sun | Mon | Tue | Wed | Thu | Fri | Multiple |
Event Category
Click Here to find out what Classic, Multisport, and Variety mean.
To narrow your search by a distance or event type, you will need to select Classic, Multisport, or Variety first.
To narrow your search by a distance or event type, you will need to select Classic, Multisport, or Variety first.
1. Boulder Track Series Meet 2
-
Apr 28, 2024Sunday
-
track meet
More Information
-
Longmont, CO
Boulder County, CO
2. Fairmount 5K Pancake Fun Run
-
Apr 28, 2024Sunday
-
5K run
More Information
-
Golden, CO
Jefferson County, CO
3. Flying Pig 5K
-
Apr 28, 2024Sunday
-
5K run | kids run
More Information
-
Fort Collins, CO
Larimer County, CO
4. Healthy Kids Running Series - Denver
-
Apr 28, 2024Sunday
-
kids run
More Information
-
Denver, CO
Denver County, CO
5. Healthy Kids Running Series
-
Apr 28, 2024Sunday
-
kids run
More Information
-
Trinidad, CO
Las Animas County, CO
6. Healthy Kids Running Series - Aurora
-
Apr 28, 2024Sunday
-
kids run
More Information
-
Aurora, CO
Arapahoe County, CO
7. RMRR Spring Marathon Training Series
-
Apr 28, 2024Sunday
-
20M, 10M run
More Information
-
Thornton, CO
Adams County, CO
8. Altitude Elementary Moose Mudder
-
May 5, 2024Sunday
-
5K, 1K run
More Information
-
Aurora, CO
Arapahoe County, CO
9. Colorado Brewery Running Series
-
May 5, 2024Sunday
-
5K run
More Information
-
Denver, CO
Denver County, CO
10. Colorado Marathon
-
May 5, 2024Sunday
-
26.2M, 13.1M, 10K, 5K run | 26.2M relay
More Information
-
Boston Marathon Qualifier
-
Fort Collins, CO
Larimer County, CO
11. Healthy Kids Running Series - Denver
-
May 5, 2024Sunday
-
kids run
More Information
-
Denver, CO
Denver County, CO
12. Healthy Kids Running Series - Aurora
-
May 5, 2024Sunday
-
kids run
More Information
-
Aurora, CO
Arapahoe County, CO
13. Healthy Kids Running Series
-
May 5, 2024Sunday
-
kids run
More Information
-
Trinidad, CO
Las Animas County, CO
14. RMRR Trophy Series - May
-
May 5, 2024Sunday
-
5M, 5K run
More Information
-
Denver, CO
Denver County, CO
15. Boulder Mothers Day Run
-
May 12, 2024Sunday
-
13.1M, 10K, 5K trail run
More Information
-
Boulder, CO
Boulder County, CO
16. Colorado Women's Classic - Westminster
-
May 12, 2024Sunday
-
10M, 10K, 5K run | kids run
More Information
-
Women Only
-
Westminster, CO
Adams County, COJefferson County, CO
17. Frank Shorter Track Classic
-
May 12, 2024Sunday
-
track meet
More Information
-
Longmont, CO
Boulder County, CO
18. Fruita Trail Half
-
May 12, 2024Sunday
-
13.1M trail run
More Information
-
Fruita, CO
Mesa County, CO
19. Head and Neck Cancer A Hard Thing to Swallow 5K/10K
-
May 12, 2024Sunday
-
10K, 5K run
Virtual OptionMore Information
-
Thornton, CO
Adams County, CO
20. Mothers Day 5K
-
May 12, 2024Sunday
-
5K run
More Information
-
Denver, CO
Denver 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.