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Find Your Finish Line

Search over 20,000 endurance events

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Events
Holy COW Trail Stampede Westminster, CO
Pioneer Prairie Dog Half Marathon, 10k & 5k Westminster, CO
Rebel Run 5k Denver, CO

Event Series
Ironman Triathlon Rock 'n' Roll Marathon Spartan Race Hot Chocolate Run Ragnar Relay
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September 2025

9/11 Heroes Run - Denver, Colorado - Denver, CO - race159535-logo-0.bL8Xsg.png
9/11 Heroes Run - Denver, Colorado

Denver, CO

Sun - Sep 14, 2025

Running > 5k, 1 mile

Colorado Live RecoverED Eating Disorder Awareness Walk - Littleton, CO - genericImage-websiteLogo-233533-1720576762.3479-0.bMJER6.png
Colorado Live RecoverED Eating Disorder Awareness Walk

Littleton, CO

Sat - Sep 20, 2025

Running > Walking, 1 mile

Pioneer Prairie Dog Half Marathon, 10k & 5k - Westminster, CO - 1.2020-PDH-Series-Button-Brown.png
Pioneer Prairie Dog Half Marathon, 10k & 5k

Westminster, CO

Sat - Sep 27, 2025 @ 8:00 AM

Running > 10k, 5k, Half Marathon

Pioneer Prairie Dog Half Marathon, 10k & 5k - Westminster, CO - 1.2020-PDH-Series-Button-Brown.png
Pioneer Prairie Dog Half Marathon, 10k & 5k

Westminster, CO

Sat - Sep 27, 2025 @ 8:00 AM

Running > 10k, 5k, Half Marathon

National Singles Day: Singles & Friends Running DENVER/AURORA - Centennial, CO - genericImage-websiteLogo-245801-1737011662.0787-0.bNIlho.png
National Singles Day: Singles & Friends Running DENVER/AURORA

Centennial, CO

Sat - Sep 27, 2025

Running > 5k, 10k, Half Marathon, 1 mile

Boulderthon, presented by PUMA - Boulder, CO - 2975410-300-300.jpg
Boulderthon, presented by PUMA

Boulder, CO

Sun - Sep 28, 2025 @ 7:00 AM

Running > 10k, 5k

October 2025

Flyin' Ryan Memorial 5k - Greeley, CO - genericImage-websiteLogo-235029-1723086547.1053-0.bMTdBt.jpg
Flyin' Ryan Memorial 5k

Greeley, CO

Fri - Oct 03, 2025

Running > 5k

Cheers to Oktoberfest Run 5K/10K/13.1 DENVER/AURORA - Centennial, CO - genericImage-websiteLogo-250529-1742457046.6318-0.bN28Jw.png
Cheers to Oktoberfest Run 5K/10K/13.1 DENVER/AURORA

Centennial, CO

Sat - Oct 04, 2025

Running > 5k, 10k, Half Marathon, 1 mile

Hot Chocolate Run - Denver - Denver, CO - 2699029_400.jpg
Hot Chocolate Run - Denver

Denver, CO

Sun - Oct 05, 2025 @ 7:00 AM

Running > 10k, 5k

2025 DU Crimson Classic 5K Run/1.5 Mile Walk - Denver, CO - race152212-logo-0.bK5OCv.png
2025 DU Crimson Classic 5K Run/1.5 Mile Walk

Denver, CO

Oct 14, 2025 - Oct 17, 2025

Running > 5k

Boulder Turkey Trot Training Program - Boulder, CO - genericImage-websiteLogo-254055-1746736609.255-0.bOhrxH.png
Boulder Turkey Trot Training Program

Boulder, CO

Oct 15, 2025 - Nov 27, 2025

Running

Run Against Breast Cancer 5K/10K/13.1 DENVER/AURORA - Centennial, CO - genericImage-websiteLogo-247268-1738761764.5926-0.bNO2yK.png
Run Against Breast Cancer 5K/10K/13.1 DENVER/AURORA

Centennial, CO

Sat - Oct 18, 2025

Running > 5k, 10k, Half Marathon, 1 mile

Race to Cure Sarcoma Denver - Denver, CO - genericImage-websiteLogo-221623-1739994422.8573-0.bNTJu2.png
Race to Cure Sarcoma Denver

Denver, CO

Sat - Oct 25, 2025

Running > 5k, 1k

November 2025

City Park 5k & 1 Mile Walk of Hope for Pancreatic Cancer Research - Denver, CO - city-park-5k-1-mile-walk-of-hope-for-pancreatic-cancer-research-logo.png
City Park 5k & 1 Mile Walk of Hope for Pancreatic Cancer Research

Denver, CO

Sat - Nov 01, 2025 @ 9:00 AM

Running > 1 mile, 5k

Halloween Trick or Trot Run 5K/10K/13.1 DENVER/AURORA - Centennial, CO - genericImage-websiteLogo-250532-1742475992.3231-0.bN3bly.png
Halloween Trick or Trot Run 5K/10K/13.1 DENVER/AURORA

Centennial, CO

Sat - Nov 01, 2025

Running > 5k, 10k, Half Marathon, 1 mile

Mountain Madness Fall Frenzy Orienteering Trail Race - Golden, CO - genericImage-websiteLogo-255850-1749226496.5338-0.bOqXqa.png
Mountain Madness Fall Frenzy Orienteering Trail Race

Golden, CO

Sun - Nov 09, 2025

Running > Obstacle Race

Veterans Day Freedom Run 5K/10K/13.1 DENVER/AURORA - Centennial, CO - genericImage-websiteLogo-252628-1750143457.6696-0.bOurhH.png
Veterans Day Freedom Run 5K/10K/13.1 DENVER/AURORA

Centennial, CO

Sat - Nov 15, 2025

Running > 5k, 10k, Half Marathon, 1 mile

Gobble Wobble Run  2025 - Littleton, CO - race94970-logo-0.bGWbNm.png
Gobble Wobble Run 2025

Littleton, CO

Thu - Nov 27, 2025

Running > 5k

Run for Coffee Lovers 5K/10K/13.1 DENVER/AURORA - Centennial, CO - genericImage-websiteLogo-245802-1737012414.9201-0.bNIls-.png
Run for Coffee Lovers 5K/10K/13.1 DENVER/AURORA

Centennial, CO

Sat - Nov 29, 2025

Running > 5k, 10k, Half Marathon, 1 mile

December 2025

Run Against Breast Cancer 5K/10K/13.1 DENVER/AURORA - Centennial, CO - genericImage-websiteLogo-247268-1738761764.5926-0.bNO2yK.png
Run Against Breast Cancer 5K/10K/13.1 DENVER/AURORA

Centennial, CO

Sat - Dec 13, 2025

Running > 5k, 10k, Half Marathon, 1 mile

A Merry Christmas Run 5K/10K/13.1 DENVER/AURORA - Centennial, CO - genericImage-websiteLogo-254167-1746841682.834-0.bOhRbs.png
A Merry Christmas Run 5K/10K/13.1 DENVER/AURORA

Centennial, CO

Sat - Dec 27, 2025

Running > 5k, 10k, Half Marathon, 1 mile

TEST RACE - Boulder, CO - running-shoe-300px.bMjMog.png
TEST RACE

Boulder, CO

Wed - Dec 31, 2025

Running > 5 mile

January 2026

New Year New Me Run 5K/10K/13.1 DENVER/AURORA - Centennial, CO - genericImage-websiteLogo-254667-1747634334.3186-0.bOkSIE.png
New Year New Me Run 5K/10K/13.1 DENVER/AURORA

Centennial, CO

Sat - Jan 03, 2026

Running > 5k, 10k, Half Marathon, 1 mile

MLK Freedom Run 5K/10K/13.1 DENVER/AURORA - Centennial, CO - genericImage-websiteLogo-255690-1749012371.7756-0.bOp8-t.png
MLK Freedom Run 5K/10K/13.1 DENVER/AURORA

Centennial, CO

Sat - Jan 17, 2026

Running > 5k, 10k, Half Marathon, 1 mile

February 2026

Lunar New Year Run 5K/10K/13.1 DENVER/AURORA - Centennial, CO - genericImage-websiteLogo-256489-1750141355.8649-0.bOuqMR.png
Lunar New Year Run 5K/10K/13.1 DENVER/AURORA

Centennial, CO

Sat - Feb 07, 2026

Running > 5k, 10k, Half Marathon, 1 mile

Valentines Live, Love, RUN 5K/10K/13.1 DENVER/AURORA - Centennial, CO - genericImage-websiteLogo-239497-1728887901.5947-0.bNdlXD.png
Valentines Live, Love, RUN 5K/10K/13.1 DENVER/AURORA

Centennial, CO

Sat - Feb 14, 2026

Running > 5k, 10k, Half Marathon, 1 mile

March 2026

St. Paddy's Day Lucky Run 5K/10K/13.1 DENVER/AURORA - Centennial, CO - genericImage-websiteLogo-255692-1749013623.6873-0.bOp9r3.png
St. Paddy's Day Lucky Run 5K/10K/13.1 DENVER/AURORA

Centennial, CO

Sat - Mar 14, 2026

Running > 5k, 10k, Half Marathon, 1 mile

April 2026

Always Hope Easter Run 5K/10K/13.1 DENVER/AURORA - Centennial, CO - genericImage-websiteLogo-255952-1749447280.9324-0.bOrNjW.png
Always Hope Easter Run 5K/10K/13.1 DENVER/AURORA

Centennial, CO

Sat - Apr 04, 2026

Running > 5k, 10k, Half Marathon, 1 mile

Coffee Lovers Run 5K/10K/13.1 DENVER/AURORA - Centennial, CO - genericImage-websiteLogo-255950-1749444198.9121-0.bOrMzM.png
Coffee Lovers Run 5K/10K/13.1 DENVER/AURORA

Centennial, CO

Sat - Apr 25, 2026

Running > 5k, 10k, Half Marathon, 1 mile

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Trending Events

  • Holy COW Trail Stampede - Westminster, CO - genericImage-websiteLogo-14125-1723395122.1841-0.bMUoWY.png
    Holy COW Trail Stampede
  • Pioneer Prairie Dog Half Marathon, 10k & 5k - Westminster, CO - 1.2020-PDH-Series-Button-Brown.png
    Pioneer Prairie Dog Half Marathon, 10k & 5k
  • Rebel Run 5k - Denver, CO - genericImage-websiteLogo-244102-1739570991.8362-0.bNR78V.png
    Rebel Run 5k

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