Upcoming Races within 50 miles of Windsor, CO on Saturdays
Longmont, CO
Girls on the Run 5K
May 11, 2024
Sunrise Stampede 5K
Aug 10, 2024
Longmont Kids Only Triathlon
Aug 24, 2024
Longmont Try-a-Tri
Aug 24, 2024
Colorado Brewery Running Series
Dec 7, 2024
Thornton, CO
Unicorn 5K North
Jun 22, 2024
Pirates Run for Booty
Jul 27, 2024
Its Fall Yall 5K and K9 Canter 1M Fun Run
Oct 5, 2024
Winterfest 5K
Dec 14, 2024
Cheyenne, WY
Cinco de Mayo 5K
May 4, 2024
Run Like A Mother 5K
May 11, 2024
Dog Jog 5K
May 18, 2024
FORMAK 5K
Jun 8, 2024
Spring into Green 5K
Jun 15, 2024
Kristy's Kindness 5K
Jun 22, 2024
Superday 5K
Jun 22, 2024
USI Statewide 5K
Jun 29, 2024
Will Run for Cannoli 5K
Jul 13, 2024
Cheyenne Schools Foundation - Run for 1
Sep 14, 2024
Great Bison Shuffle
Sep 21, 2024
Cowboy Tough Adventure Race
Aug 9, 2025
Westminster, CO
Time Travel Half Marathon
Apr 20, 2024
Colorado Brewery Running Series
May 4, 2024
All-Out Dog Days
Jul 13, 2024
Holy Cow Trail Stampede
Aug 10, 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
Six Pack Series Winter Westminster 1 Mile and 5K
Jan 4, 2025
Six Pack Series Winter Westminster 2 Mile and 5K
Jan 11, 2025
Six Pack Series Winter Westminster 5K
Jan 25, 2025
Six Pack Series Winter Westminster 4 Mile and 5K
Feb 1, 2025
Six Pack Series Winter Westminster 5 Mile and 5K
Feb 8, 2025
Six Pack Series Winter Westminster 5K and 10K
Feb 22, 2025
Erin Go Braugh 7.77K
Mar 15, 2025
Berthoud, CO
Bob Turner Classic 5K
May 4, 2024
Louisville, CO
Louisville Trail Race
Sep 28, 2024
The Pretzel Run Colorado
Oct 12, 2024
Santa Claus Runs
Dec 14, 2024
Loveland, CO
Earth Day 5K/10K
Apr 20, 2024
NOCO Half Marathon & 10K
Apr 27, 2024
New Vision 5K
May 4, 2024
Run For The Trees
May 4, 2024
Run for the Trees - BSBF 2 Mile Run
May 4, 2024
Running for Hope
Jun 15, 2024
Sierra's Race 5K
Jun 15, 2024
Loveland Lake to Lake Triathlon
Jun 22, 2024
NoCo All-Comers Track Meet Series #2
Jun 29, 2024
NoCo All-Comers Track Meet Series #3
Jul 20, 2024
Valley 5000
Aug 17, 2024
Long View Marathon
Oct 12, 2024
Bell Ringer 4 Miler
Nov 9, 2024
Toy Drop
Dec 7, 2024
Broomfield, CO
Jag Jog 5K
Sep 14, 2024
Miner Gold Rush
Sep 28, 2024
Runway 5K Run for the Angels
Sep 28, 2024
Arvada, CO
Hope House 5K & Fun Run
May 4, 2024
CMRA Tucker Lake 6.5 Mile
May 11, 2024
All-Out Summer Breeze
Jun 8, 2024
All-Out Runapalooza
Aug 3, 2024
Colorado Brewery Running Series
Aug 10, 2024
Apex Foundation Trick or Trot 5K
Oct 26, 2024
10K Turkey Trek & 5K Turkey Trot
Nov 23, 2024
Colorado Brewery Running Series
Nov 30, 2024
All-Out Polar Prowl
Jan 11, 2025
Heart Throb 5K
Feb 15, 2025
All-Out Mardi Crawl
Feb 22, 2025
Estes Park, CO
Duck Waddle 5K
May 4, 2024
Estes Park Marathon
Jun 16, 2024
Jun 15, 2024
Longs Peak 5 Miler
Jun 15, 2024
Rocky Mountain Half Marathon
Aug 2, 2024
Aug 3, 2024
Rut Run 5K
Sep 28, 2024
Boulder, CO
South Boulder Creek parkrun
Mar 22, 2025
Mar 29, 2025
Apr 6, 2024
Apr 13, 2024
48 more
Colorado Triathlon
Jun 1, 2024
Ironman 70.3 Boulder
Jun 8, 2024
Tri Boulder
Jul 20, 2024
Boulder Rez Marathon
Aug 3, 2024
Pearl Street Mile
Aug 3, 2024
Boulder Sunset 10K/5K
Aug 24, 2024
Boulder Sunset Triathlon
Aug 24, 2024
Harvest Moon Long Course Triathlon
Sep 7, 2024
ColderBOLDER
Dec 7, 2024
Brighton, CO
Five Star Fun Run and 5K
Apr 20, 2024
Runs With Scissors Races
Apr 27, 2024
Adams County Foster Care 5K
May 4, 2024
I Can 5K with Deja Vu 10K
Jul 13, 2024
Lafayette, CO
Colorado Brewery Running Series
May 18, 2024
Allenspark, CO
Run Like the Wind
Aug 31, 2024
Wheat Ridge, CO
Colorado Brewery Running Series
Aug 17, 2024
Windsor, CO
Red, White and Brew 5K, 10K & Half Marathon
Jun 22, 2024
Santa Catch 5K & 10K
Dec 14, 2024
Commerce City, CO
Night Nation Run - Denver
Sep 28, 2024
Johnstown, CO
Johnstown BBQ Day 5K
Jun 1, 2024
Fort Lupton, CO
WineRun Denver at Salt and Acres
Jun 15, 2024
Firestone, CO
Carbon Valley Half Marathon
May 11, 2024
Northglenn, CO
Colorado Brewery Running Series
May 11, 2024
Keenesburg, CO
Into The Wild Running Festival
Jun 8, 2024
Fort Collins, CO
Healthy Kids Running Series
Apr 27, 2024
May 4, 2024
May 18, 2024
Apr 20, 2024
1 more
Quad Rock 50
May 11, 2024
Fire Hydrant 5K
Jun 1, 2024
StepUp For Women and Recovery
Jun 1, 2024
XTERRA Lory Triathlon
Jun 15, 2024
Colorado Brewery Running Series
Jul 13, 2024
Human Race
Aug 10, 2024
Long View Marathon
Oct 12, 2024
Blue Sky Trail Marathon
Oct 19, 2024
Colorado 24 Hour Run
Nov 2, 2024
La Salle, CO
Cerus Fitness Festival
Sep 14, 2024
Red Feather Lakes, CO
5K Fun Run of Red Feather Lakes
Jul 6, 2024
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. Earth Day 5K/10K
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Apr 20, 2024Saturday
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10K, 5K run | kids run
More Information
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Loveland, CO
11 miles point to pointLarimer County, CO
2. Five Star Fun Run and 5K
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Apr 20, 2024Saturday
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5K, 1M run
More Information
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Brighton, CO
34 miles point to pointAdams County, CO
3. Great Western Trail Race
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Apr 20, 2024Saturday
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13.1M, 10K, 5K run | kids run
More Information
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Severance, CO
4 miles point to pointWeld County, CO
4. Healthy Kids Running Series - Fort Collins
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Apr 20, 2024Saturday
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kids run
More Information
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Fort Collins, CO
12 miles point to pointLarimer County, CO
5. South Boulder Creek parkrun
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Apr 20, 2024Saturday
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5K run
More Information
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Boulder, CO
38 miles point to pointBoulder County, CO
6. Time Travel Half Marathon
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Apr 20, 2024Saturday
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13.1M, 10K, 5K run
More Information
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Westminster, CO
45 miles point to pointAdams County, COJefferson County, CO
7. Healthy Kids Running Series - Fort Collins
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Apr 27, 2024Saturday
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kids run
More Information
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Fort Collins, CO
12 miles point to pointLarimer County, CO
8. NOCO Half Marathon & 10K
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Apr 27, 2024Saturday
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13.1M, 10K run
More Information
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Loveland, CO
11 miles point to pointLarimer County, CO
9. Runs With Scissors Races
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Apr 27, 2024Saturday
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50K, 26.2M, 13.1M run
More Information
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Brighton, CO
34 miles point to pointAdams County, CO
10. South Boulder Creek parkrun
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Apr 27, 2024Saturday
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5K run
More Information
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Boulder, CO
38 miles point to pointBoulder County, CO
11. Adams County Foster Care 5K
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May 4, 2024Saturday
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5K, 1M run
More Information
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Brighton, CO
34 miles point to pointAdams County, CO
12. Bob Turner Classic 5K
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May 4, 2024Saturday
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5K run
More Information
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Berthoud, CO
15 miles point to pointLarimer County, CO
13. Cinco de Mayo 5K
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May 4, 2024Saturday
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5K run
More Information
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Cheyenne, WY
46 miles point to pointLaramie County, WY
14. Colorado Brewery Running Series
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May 4, 2024Saturday
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5K run
More Information
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Westminster, CO
45 miles point to pointAdams County, COJefferson County, CO
15. Duck Waddle 5K
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May 4, 2024Saturday
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5K run
More Information
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Estes Park, CO
34 miles point to pointLarimer County, CO
16. Healthy Kids Running Series - Fort Collins
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May 4, 2024Saturday
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kids run
More Information
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Fort Collins, CO
12 miles point to pointLarimer County, CO
17. Hope House 5K & Fun Run
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May 4, 2024Saturday
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5K, 1M run
More Information
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Arvada, CO
48 miles point to pointJefferson County, CO
18. New Vision 5K
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May 4, 2024Saturday
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5K run
More Information
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Loveland, CO
11 miles point to pointLarimer County, CO
19. Run For The Trees
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May 4, 2024Saturday
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2M run
More Information
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Loveland, CO
11 miles point to pointLarimer County, CO
20. Run for the Trees - BSBF 2 Mile Run
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May 4, 2024Saturday
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2M run
More Information
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Loveland, CO
11 miles point to pointLarimer 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.