Upcoming 5K Races Near Windsor, CO

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Denver Pride 5K

Denver, CO

Saturday, June 27th, 2026

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Fitness Expo On Tap at the Colorado Tap House

Arvada, CO

Saturday, June 27th, 2026

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Timberview Trail Run

Bellvue, CO

Saturday, June 27th, 2026

Trail

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Firework Color Run

Berthoud, CO

Saturday, June 27th, 2026

1 Mile

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FireKracker 5k

Fort Collins, CO

Saturday, July 4th, 2026

1 Mile

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Let Freedom Run 5k - LONGMONT

Longmont, CO

Saturday, July 4th, 2026

View details for race Let Freedom Run 5k - LONGMONT

Let Freedom Run 5k/10k - Louisville

Louisville, CO

Saturday, July 4th, 2026

10K

View details for race Let Freedom Run 5k/10k - Louisville

Greeley Freedom 5k Walk & Run

Greeley, CO

Saturday, July 4th, 2026

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Loveland Liberty 5K

Loveland, CO

Saturday, July 4th, 2026

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BRR All-Comers Summer Track & Field Series #3

Boulder, CO

Thursday, July 9th, 2026

1 Mile

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Will Run for Cannoli 5K

Cheyenne, WY

Saturday, July 11th, 2026

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All-Out Dog Days

Westminster, CO

Saturday, July 11th, 2026

Half

10K

Trail

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Heatwave Half Marathon - Denver

Denver, CO

Saturday, July 11th, 2026

1 Mile

10K

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DRMABPsi 1–5K Walk, Run & Roll

Denver, CO

Saturday, July 11th, 2026

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Cookie Chase

Denver, CO

Saturday, July 11th, 2026

Fast

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Diplo's Run Club Denver

Denver, CO

Sunday, July 12th, 2026

Code:FTR10

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One Is Too Many: Veteran Suicide Awareness 5k a...

Greeley, CO

Sunday, July 19th, 2026

1 Mile

View details for race One Is Too Many: Veteran Suicide Awareness 5k and Kids Run

Flyin' Ryan Memorial 5k

Loveland, CO

Friday, July 24th, 2026

Fast

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Move with MADD Denver 5k and Walk

Denver, CO

Saturday, August 1st, 2026

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Eltuck Valley 5K - Lory Summer Trail Series

Fort Collins, CO

Tuesday, August 4th, 2026

Trail

Fast

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Choice City Running Festival

Fort Collins, CO

Friday, August 7th, 2026

1 Mile

Half

10K

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Summer Sizzler- Denver

Denver, CO

Saturday, August 8th, 2026

1 Mile

10K

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All-Out Runapalooza

Arvada, CO

Saturday, August 8th, 2026

Half

10K

Trail

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Summer Sizzler- Denver

Thornton, CO

Saturday, August 8th, 2026

1 Mile

10K

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Sunrise Stampede

Longmont, CO

Saturday, August 15th, 2026

1 Mile

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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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Cancer League of Colorado Race 4 Research

Denver, CO

Sunday, August 16th, 2026

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Erie Half & 5k

Erie, CO

Sunday, August 16th, 2026

Half

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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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Coyote Chase 5k

Louisville, CO

Saturday, August 22nd, 2026

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Rebel Run 5k

Denver, CO

Sunday, August 23rd, 2026

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Pioneer Prairie Dog Half, 10k & 5k

Westminster, CO

Sunday, August 23rd, 2026

Half

10K

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

Allenspark, CO

Saturday, August 29th, 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

View details for race Golden Harvest Half Marathon & 5k/10k - Denver

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

Denver, CO

Saturday, September 5th, 2026

1 Mile

10K

View details for race Golden Harvest Half Marathon & 5k/10k - Denver

FCA All Abilities Labor Day 5K

Loveland, CO

Monday, September 7th, 2026

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FCA All-Abilities Labor Day 5K

Loveland, CO

Monday, September 7th, 2026

1 Mile

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14th Annual Superhero Event

Greeley, CO

Thursday, September 10th, 2026

10K

1 Mile

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For The City Network 5K

Greeley, CO

Saturday, September 12th, 2026

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The Denver 5k

Denver, CO

Saturday, September 12th, 2026

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Tiger Prowl 5K

Denver, CO

Sunday, September 13th, 2026

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9/11 Heroes Run - Denver, Colorado

Denver, CO

Sunday, September 13th, 2026

1 Mile

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RMRR September 5k/10k

Thornton, CO

Sunday, September 13th, 2026

10K

Fast

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Severance Glow 5K Run or Walk

Severance, CO

Friday, September 18th, 2026

Trail

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Gummball 5K

Brighton, CO

Saturday, September 19th, 2026

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Wellington STAR Foundation 5K 10K

Wellington, CO

Saturday, September 19th, 2026

10K

View details for race Wellington STAR Foundation 5K 10K

Denver: Walk With Autism and Resource Fair

Denver, CO

Saturday, September 19th, 2026

View details for race Denver: Walk With Autism and Resource Fair

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