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28 5k Colorado

Valley Middle School XC - Gilcrist, CO - running-19.png

Valley Middle School XC

Gilcrist, CO

Thu - Aug 27, 2026

Waneka Classic 5K - Lafayette, CO - genericImage-websiteLogo-285693-1782498453.674-0.bQpSsv.png

Waneka Classic 5K

Lafayette, CO

Sat - Aug 29, 2026

Run for Hope - Colorado Springs - Colorado Springs, CO - genericImage-websiteLogo-272579-1773164574.4865-0.bPSfGE.png

Run for Hope - Colorado Springs

Colorado Springs, CO

Sat - Aug 29, 2026

Running > 5k, 1 mile

Sloth Run 5K/10K/13.1 DENVER/AURORA - Centennial, CO - genericImage-websiteLogo-271274-1768498380.3273-0.bPAstm.png

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

Centennial, CO

Sat - Aug 29, 2026

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

Glow & Roll: Illuminate What's Possible - Littleton, CO - genericImage-websiteLogo-280842-1776881700.5382-0.bP6raK.png

Glow & Roll: Illuminate What's Possible

Littleton, CO

Sat - Aug 29, 2026

Run Like the Wind 5k / 2k / Dog Jog - Allenspark, CO - genericImage-websiteLogo-276804-1772751420.217-0.bPQGO8.jpg

Run Like the Wind 5k / 2k / Dog Jog

Allenspark, CO

Sat - Aug 29, 2026

Recovery Run of the Rockies 5K - Fort Collins, CO - genericImage-websiteLogo-286579-1783531162.3843-0.bQtOAA.png

Recovery Run of the Rockies 5K

Fort Collins, CO

Sat - Sep 05, 2026

Demon Dash - Arvada, CO - genericImage-websiteLogo-258567-1753472815.9036-0.bOG98V.png

Demon Dash

Arvada, CO

Sat - Sep 05, 2026

The Beaver Run - Breckenridge, CO - genericImage-websiteLogo-286550-1783978630.2894-0.bQvvQg.png

The Beaver Run

Breckenridge, CO

Sat - Sep 05, 2026

Golden Harvest Half Marathon & 5k/10k - Denver - Denver, CO - genericImage-websiteLogo-266273-1761746441.7274-0.bPaH4j.png

Golden Harvest Half Marathon & 5k/10k - Denver

Denver, CO

Sat - Sep 05, 2026

Running > 1 mile, 5k, Half Marathon

Golden Harvest Half Marathon & 5k/10k - Colorado Springs - Colorado Springs, CO - genericImage-websiteLogo-266273-1761328678.0091-0.bO-74M.png

Golden Harvest Half Marathon & 5k/10k - Colorado Springs

Colorado Springs, CO

Sun - Sep 06, 2026

Running > 1 mile, 5k, Half Marathon

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

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

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

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

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

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

31st El Grito 5k (2026)

Denver, CO

Sun - Sep 13, 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 > 10k, 5k

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

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

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

Connection 5k

Carbondale, CO

Sun - Sep 20, 2026

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

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

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

2026 Oktoberfest 5k

Breckenridge, CO

Sat - Sep 26, 2026

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

Running for Children's Rights to Both Parents - 9 of 50 Half Marathons in 50 States - Colorado - Boulder, CO - genericImage-websiteLogo-276702-1772665214.0566-0.bPQlL-.png

Running for Children's Rights to Both Parents - 9 of 50 Half Marathons in 50 States - Colorado

Boulder, CO

Sun - Sep 27, 2026

Pat Mahan Memorial Foundation 5K - Wiggins, CO - genericImage-websiteLogo-256886-1781624642.1965-0.bQmw9c.jpg

Pat Mahan Memorial Foundation 5K

Wiggins, CO

Sun - Sep 27, 2026

2026 Center of the Nation Series - Day 2 (CO) - Sterling, CO - 0fe8efc4-838a-4820-8725-eb975da710d5.png

2026 Center of the Nation Series - Day 2 (CO)

Sterling, CO

Sep 29, 2026 - Sep 30, 2026