34 Upcoming Races Near Aurora, CO in September, 2026

Diplo's Run Club Denver

Denver, CO

Sunday, July 12th, 2026

Featured

Code:FTR10

View details for race Diplo's Run Club Denver

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

Denver, CO

Saturday, September 5th, 2026

1 Mile

10K

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Raising the Barr

Brighton, CO

Saturday, September 5th, 2026

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Demon Dash

Arvada, CO

Saturday, September 5th, 2026

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

Westminster, CO

Saturday, September 5th, 2026

1 Mile

10K

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Labor Day Half Marathon

Parker, CO

Monday, September 7th, 2026

Half

10K

Fast

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14th Annual Superhero Event

Greeley, CO

Thursday, September 10th, 2026

10K

1 Mile

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The Denver 5k

Denver, CO

Saturday, September 12th, 2026

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Run4Hope 5K for Schools

Monument, CO

Saturday, September 12th, 2026

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For The City Network 5K

Greeley, CO

Saturday, September 12th, 2026

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6 Dot Dash

Littleton, CO

Saturday, September 12th, 2026

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Colorado Run for the Fallen Run/Walk/Ruck

Palmer Lake, CO

Sunday, September 13th, 2026

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Buffalo Bicycle Classic

Boulder, CO

Sunday, September 13th, 2026

Ultra

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RMRR Fall Marathon Training Series #2

Thornton, CO

Sunday, September 13th, 2026

Ultra

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RMRR September 5k/10k

Thornton, CO

Sunday, September 13th, 2026

10K

Fast

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9/11 Heroes Run - Denver, Colorado

Denver, CO

Sunday, September 13th, 2026

1 Mile

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Healthy Kids Running Series Fall 2026 - Denver, CO

Denver, CO

Sunday, September 13th, 2026

View details for race Healthy Kids Running Series Fall 2026 - Denver, CO

Tiger Prowl 5K

Denver, CO

Sunday, September 13th, 2026

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Gummball 5K

Brighton, CO

Saturday, September 19th, 2026

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Denver: Walk With Autism and Resource Fair

Denver, CO

Saturday, September 19th, 2026

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Miles 4 Madison 5K & 1K

Littleton, CO

Saturday, September 19th, 2026

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All-Out Fall Fest

Westminster, CO

Saturday, September 19th, 2026

Half

10K

Trail

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Farmers 5000

Wheat Ridge, CO

Sunday, September 20th, 2026

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Expo Park XC Runs

Aurora, CO

Sunday, September 20th, 2026

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20th Annual Golden Gallop

Golden, CO

Sunday, September 20th, 2026

10K

Trail

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