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72 All Events Races Erie, CO

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

Estes Epic - Estes Park, CO - genericImage-websiteLogo-249970-1741745851.3922-0.bN0o67.png

Estes Epic

Estes Park, CO

Sep 27, 2025 - Sep 28, 2025

Triathlon > Duathlon

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

Rising Phoenix Festival & 5K - Loveland, CO - genericImage-websiteLogo-254267-1749058172.6279-0.bOqij8.png

Rising Phoenix Festival & 5K

Loveland, CO

Sat - Sep 27, 2025

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

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

Flyin' Ryan Memorial 5k

Greeley, CO

Fri - Oct 03, 2025

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

Windsor Marathon, Half Marathon, 10k, 5k - Windsor, CO (October 5, 2025) - Windsor, CO - 2793124-300-300.jpg

Windsor Marathon, Half Marathon, 10k, 5k - Windsor, CO (October 5, 2025)

Windsor, CO

Sun - Oct 05, 2025 @ 7:00 AM

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

Joy & Justice 5k - Timnath, CO - genericImage-websiteLogo-236570-1739988814.3585-0.bNTH9o.png

Joy & Justice 5k

Timnath, CO

Sun - Oct 12, 2025

Running > 5k, 1 mile, Walking

2025 DU Crimson Classic 5K Run/1.5 Mile Walk

Denver, CO

Oct 14, 2025 - Oct 17, 2025

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

Blue Sky Trail Marathon & Half Marathon - Fort Collins, CO - genericImage-websiteLogo-243107-1733423304.3772-0.bNuFdi.png

Blue Sky Trail Marathon & Half Marathon

Fort Collins, CO

Oct 18, 2025 - Oct 19, 2025

Running > Obstacle Race

Blue Sky Marathon & Half - Fort Collins, CO - 889e483a-6cb9-4f8a-ae5d-66e2ffb90711.jpg

Blue Sky Marathon & Half

Fort Collins, CO

Oct 18, 2025 - Oct 20, 2025

Running > Marathon, Half Marathon

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

2025 Redrum Fun Run - Greeley, CO - running-8.png

2025 Redrum Fun Run

Greeley, CO

Sat - Oct 25, 2025

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

Colorado 24 Hour Run - Fort Collins, CO - colorado-24-final.jpg

Colorado 24 Hour Run

Fort Collins, CO

Nov 1, 2025 - Nov 2, 2025 (8:00 AM)

Running > Marathon, Other Running, Trail, Ultra

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

Pelican Lakes Turkey Trot - 5k Run or Walk - Windsor, CO (November 27, 2025) - Windsor, CO - 2793907_460.jpg

Pelican Lakes Turkey Trot - 5k Run or Walk - Windsor, CO (November 27, 2025)

Windsor, CO

Thu - Nov 27, 2025 @ 9:00 AM

Gobble Wobble Run 2025

Littleton, CO

Thu - Nov 27, 2025

NCMC Turkey Trot - Greeley, CO - genericImage-websiteLogo-253046-1746035318.9341-0.bOeMj2.png

NCMC Turkey Trot

Greeley, CO

Thu - Nov 27, 2025

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

Santa Catch 5k and 10k - Running Race - Windsor, CO (December 13, 2025) - Windsor, CO - 2793915-300-300.jpg

Santa Catch 5k and 10k - Running Race - Windsor, CO (December 13, 2025)

Windsor, CO

Sat - Dec 13, 2025 @ 8:00 AM

Running > 10k, 5k