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42 Running Colorado

FCA All-Abilities Labor Day 5K - Loveland, CO - running-13.png

FCA All-Abilities Labor Day 5K

Loveland, CO

Mon - Sep 07, 2026

T&H RSU TEMPLATE - Fort Collins, CO - genericImage-websiteLogo-241575-1742238095.3446-0.bN2hgp.jpg

T&H RSU TEMPLATE

Fort Collins, CO

Mon - Sep 07, 2026

FCA All Abilities Labor Day 5K - Loveland, CO - genericImage-websiteLogo-258342-1752618413.37-0.bODTwT.png

FCA All Abilities Labor Day 5K

Loveland, CO

Mon - Sep 07, 2026

14th Annual Superhero Event

Greeley, CO

Sep 10, 2026 - Sep 27, 2026

Running > 1 mile, 10k, 5k

Res Hill Ruck - Pagosa Springs, CO - running-8.png

Res Hill Ruck

Pagosa Springs, CO

Fri - Sep 11, 2026

Running > Obstacle Race

For The City Network 5K - Greeley, CO - genericImage-websiteLogo-271977-1768357158.0529-0.bPzV0M.png

For The City Network 5K

Greeley, CO

Sat - Sep 12, 2026

The Denver 5k - Denver, CO - 9.2020-The-Denver-5k-Button-Teal.png

The Denver 5k

Denver, CO

Sat - Sep 12, 2026 @ 9:00 AM

Black Squirrel Half Marathon - Bellvue, CO - genericImage-websiteLogo-243088-1733419557.6842-0.bNuEiL.png

Black Squirrel Half Marathon

Bellvue, CO

Sat - Sep 12, 2026

Running > Half Marathon

Tour De Cure: Rocky Mountain - Lone Tree, CO - genericImage-websiteLogo-277885-1773415117.2004-0.bPTcRn.png

Tour De Cure: Rocky Mountain

Lone Tree, CO

Sat - Sep 12, 2026

9/11 Heroes Virtual Run - Colorado Springs, CO - running-12.png

9/11 Heroes Virtual Run

Colorado Springs, CO

Sep 12, 2026 - Oct 15, 2026

National Chocolate Day: Run for Chocolates 5K/10K/13.1 DENVER/AURORA - Centennial, CO - genericImage-websiteLogo-271314-1768498886.8218-0.bPAsBg.png

National Chocolate Day: Run for Chocolates 5K/10K/13.1 DENVER/AURORA

Centennial, CO

Sat - Sep 12, 2026

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

The 10th Annual Run4Hope 5K for Schools - Monument, CO - genericImage-websiteLogo-282970-1779137239.0865-0.bQc3Rx.jpg

The 10th Annual Run4Hope 5K for Schools

Monument, CO

Sat - Sep 12, 2026

Steele Trap Trail Run - Loma, CO - genericImage-websiteLogo-279617-1775422238.3325-0.bP0SSE.jpg

Steele Trap Trail Run

Loma, CO

Sat - Sep 12, 2026

Running > Marathon

31st El Grito 5k (2026) - Denver, CO - running-5.png

31st El Grito 5k (2026)

Denver, CO

Sun - Sep 13, 2026

FCRC Timber Social Run & Breakfast - Bellvue, CO - genericImage-websiteLogo-288641-1786045787.4845-0.bQDovB.png

FCRC Timber Social Run & Breakfast

Bellvue, CO

Sun - Sep 13, 2026

WMBA Beti Bike Bash Info Night with Leah!! - Colorado Springs, CO - bike-300px.bMjMog.png

WMBA Beti Bike Bash Info Night with Leah!!

Colorado Springs, CO

Mon - Sep 14, 2026

Wellington STAR Foundation 5K 10K - Wellington, CO - genericImage-websiteLogo-276422-1772488952.2806-0.bPPGJ4.jpg

Wellington STAR Foundation 5K 10K

Wellington, CO

Sat - Sep 19, 2026

Running > 5k, 10k

Denver: Walk With Autism and Resource Fair - Denver, CO - genericImage-websiteLogo-246871-1738616843.82-0.bNOtal.jpg

Denver: Walk With Autism and Resource Fair

Denver, CO

Sat - Sep 19, 2026

Champions for Children 5K Run/Walk - Commerce City, CO - genericImage-websiteLogo-237745-1726496882.1998-0.bM6ebY.png

Champions for Children 5K Run/Walk

Commerce City, CO

Sat - Sep 19, 2026

CEROX + IRON + IRON X - Frederick, CO - genericImage-websiteLogo-287801-1784932862.8138-0.bQy-N-.png

CEROX + IRON + IRON X

Frederick, CO

Sat - Sep 19, 2026

Stride for Hope 5K and Kids Fun Run - Delta, CO - genericImage-websiteLogo-287569-1785437314.6257-0.bQA5Yc.png

Stride for Hope 5K and Kids Fun Run

Delta, CO

Sat - Sep 19, 2026

Running > 1 mile

Chile & Frijole Hot to Trot 5K/10K - Pueblo, CO - genericImage-websiteLogo-279597-1775340838.7724-0.bP0y0M.png

Chile & Frijole Hot to Trot 5K/10K

Pueblo, CO

Sun - Sep 20, 2026

Running > 10k, 5k

Connection 5k - Carbondale, CO - genericImage-websiteLogo-287374-1784648280.3796-0.bQx5jy.png

Connection 5k

Carbondale, CO

Sun - Sep 20, 2026

CG Adventure Club - Elevation Everest - Winter Park, CO - genericImage-websiteLogo-271514-1770760825.1456-0.bPI6P5.png

CG Adventure Club - Elevation Everest

Winter Park, CO

Sep 23, 2026 - Sep 27, 2026

Running > Obstacle Race

2026 Oktoberfest 5k - Breckenridge, CO - f1d3b63f-833d-4383-9e17-0e57fffef130.jpg

2026 Oktoberfest 5k

Breckenridge, CO

Sat - Sep 26, 2026

Pagosa Mountain Chile Cha Cha Trail Races - Pagosa Springs, CO - genericImage-websiteLogo-260088-1788383697.5731-0.bQMjhr.png

Pagosa Mountain Chile Cha Cha Trail Races

Pagosa Springs, CO

Sat - Sep 26, 2026

Running > 10k, Obstacle Race, 5k

Oktoberfest Run 5K/10K/13.1 DENVER/AURORA - Centennial, CO - genericImage-websiteLogo-270828-1768499607.6052-0.bPAsMx.png

Oktoberfest Run 5K/10K/13.1 DENVER/AURORA

Centennial, CO

Sat - Sep 26, 2026

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

2026 Night Nation Run - Denver, CO - Commerce City, CO - 400.jpg

2026 Night Nation Run - Denver, CO

Commerce City, CO

Sat - Sep 26, 2026 @ 7:00 PM

Run For Your Flapjacks 5K - Oak Creek, CO - genericImage-websiteLogo-284208-1780518900.2382-0.bQii_0.png

Run For Your Flapjacks 5K

Oak Creek, CO

Sat - Sep 26, 2026

Race to the Shield Homecoming Run - Bethoud, CO - running-4.png

Race to the Shield Homecoming Run

Bethoud, CO

Sep 26, 2026 - Sep 27, 2026