Upcoming Races Near Windsor, CO in August, 2026

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Move with MADD Denver 5k and Walk

Denver, CO

Saturday, August 1st, 2026

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Bound for Boston Marathon & Half Marathon - Denver

Denver, CO

Sunday, August 2nd, 2026

Marathon

Half

Fast

View details for race Bound for Boston Marathon & Half Marathon - Denver

Eltuck Valley 5K - Lory Summer Trail Series

Fort Collins, CO

Tuesday, August 4th, 2026

Trail

Fast

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Eldorado Run for the Cure

Eldorado Springs, CO

Thursday, August 6th, 2026

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BRR All-Comers Summer Track & Field Series #5

Boulder, CO

Thursday, August 6th, 2026

1 Mile

View details for race BRR All-Comers Summer Track & Field Series #5

Choice City Running Festival

Fort Collins, CO

Friday, August 7th, 2026

1 Mile

Half

10K

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Eat. Run. Adopt. 10K

Berthoud, CO

Saturday, August 8th, 2026

10K

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Summer Sizzler- Denver

Thornton, CO

Saturday, August 8th, 2026

1 Mile

10K

View details for race Summer Sizzler- Denver

All-Out Runapalooza

Arvada, CO

Saturday, August 8th, 2026

Half

10K

Trail

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Dog Days of Summer

Longmont, CO

Saturday, August 8th, 2026

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Dog Days Of Summer 2026

Longmont, CO

Saturday, August 8th, 2026

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Summer Sizzler- Denver

Denver, CO

Saturday, August 8th, 2026

1 Mile

10K

View details for race Summer Sizzler- Denver

The Berkeley Circuit

Denver, CO

Sunday, August 9th, 2026

1 Mile

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Into the Hills Eltuck 10k

Bellvue, CO

Tuesday, August 11th, 2026

10K

Trail

Fast

View details for race Into the Hills Eltuck 10k

Miles for Migraine Colorado

Denver, CO

Saturday, August 15th, 2026

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Frontier Academy Community 5K

Greeley, CO

Saturday, August 15th, 2026

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Sunrise Stampede

Longmont, CO

Saturday, August 15th, 2026

1 Mile

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Erie Half & 5k

Erie, CO

Sunday, August 16th, 2026

Half

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Cancer League of Colorado Race 4 Research

Denver, CO

Sunday, August 16th, 2026

View details for race Cancer League of Colorado Race 4 Research

Into the Hills Eltuck 5k

Bellvue, CO

Tuesday, August 18th, 2026

Trail

Fast

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Ram Run

Denver, CO

Saturday, August 22nd, 2026

1 Mile

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Pioneer Prairie Dog Half, 10k & 5k

Westminster, CO

Sunday, August 23rd, 2026

Half

10K

View details for race Pioneer Prairie Dog Half, 10k & 5k

RMRR Fall Marathon Training Series

Thornton, CO

Sunday, August 23rd, 2026

10 Miles

Ultra

View details for race RMRR Fall Marathon Training Series

Rebel Run 5k

Denver, CO

Sunday, August 23rd, 2026

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Eltuck Valley 12K - Lory Summer Trail Series

Bellvue, CO

Tuesday, August 25th, 2026

12K

Trail

Fast

View details for race Eltuck Valley 12K - Lory Summer Trail Series

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

Allenspark, CO

Saturday, August 29th, 2026

View details for race Run Like the Wind 5k / 2k / Dog Jog

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