Upcoming Races Near Lone Tree, CO

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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

Eldorado Run for the Cure

Eldorado Springs, CO

Thursday, August 6th, 2026

View details for race Eldorado Run for the Cure

RMRR August 5km and picnic

Centennial, CO

Friday, August 7th, 2026

View details for race RMRR August 5km and picnic

Dog Days of Summer

Longmont, CO

Saturday, August 8th, 2026

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All-Out Runapalooza

Arvada, CO

Saturday, August 8th, 2026

Half

10K

Trail

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Summer Sizzler- Denver

Denver, CO

Saturday, August 8th, 2026

1 Mile

10K

View details for race Summer Sizzler- Denver

Pat's Pony Express

Woodland Park, CO

Saturday, August 8th, 2026

Trail

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Dog Days Of Summer 2026

Longmont, CO

Saturday, August 8th, 2026

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Run to the Rails 5K (Sat)

Strasburg, CO

Saturday, August 8th, 2026

View details for race Run to the Rails 5K (Sat)

Summer Sizzler- Denver

Thornton, CO

Saturday, August 8th, 2026

1 Mile

10K

View details for race Summer Sizzler- Denver

Arapahoe Warrior 5K

Centennial, CO

Saturday, August 8th, 2026

View details for race Arapahoe Warrior 5K

The Bullfrog Summer Surge

Lakewood, CO

Sunday, August 9th, 2026

View details for race The Bullfrog Summer Surge

The Berkeley Circuit

Denver, CO

Sunday, August 9th, 2026

1 Mile

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Pancake Stampede 5K

Littleton, CO

Sunday, August 9th, 2026

View details for race Pancake Stampede 5K

'BURG 5K (Sunday)

Strasburg, CO

Sunday, August 9th, 2026

View details for race 'BURG 5K (Sunday)

Summer Sizzler- Colorado Springs

Colorado Springs, CO

Sunday, August 9th, 2026

1 Mile

10K

View details for race Summer Sizzler- Colorado Springs

Sunrise Stampede

Longmont, CO

Saturday, August 15th, 2026

1 Mile

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The Cheyenne Mountain Run

Colorado Springs, CO

Saturday, August 15th, 2026

10K

Trail

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Miles for Migraine Colorado

Denver, CO

Saturday, August 15th, 2026

View details for race Miles for Migraine Colorado

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

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Flying Falcon Downhill Mile

USAF Academy, CO

Sunday, August 16th, 2026

1 Mile

Fast

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Ram Run

Denver, CO

Saturday, August 22nd, 2026

1 Mile

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Staunton Rocks! Marathon and Half Marathon

Pine, CO

Saturday, August 22nd, 2026

Marathon

Half

Trail

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2026 True Impact Ministries 5K/10K

Centennial, CO

Saturday, August 22nd, 2026

10K

View details for race 2026 True Impact Ministries 5K/10K

Pioneer Prairie Dog Half, 10k & 5k

Westminster, CO

Sunday, August 23rd, 2026

Half

10K

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Rebel Run 5k

Denver, CO

Sunday, August 23rd, 2026

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RMRR Fall Marathon Training Series

Thornton, CO

Sunday, August 23rd, 2026

10 Miles

Ultra

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Glow & Roll: Illuminate What's Possible

Littleton, CO

Saturday, August 29th, 2026

1 Mile

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Run for Hope - Colorado Springs

Colorado Springs, CO

Saturday, August 29th, 2026

1 Mile

View details for race Run for Hope - Colorado Springs

Rocky Mountain 5K presented by School District 11

Colorado Springs, CO

Saturday, August 29th, 2026

Trail

View details for race Rocky Mountain 5K presented by School District 11

RexRun For PAWSitivity 2026 Trail Run/Walk

Aurora, CO

Saturday, August 29th, 2026

1 Mile

Trail

View details for race RexRun For PAWSitivity 2026 Trail Run/Walk

Historic Elizabeth Main Street 5K & Family Colo...

Elizabeth, CO

Saturday, August 29th, 2026

1 Mile

View details for race Historic Elizabeth Main Street 5K & Family Color Run

Raising the Barr

Brighton, CO

Saturday, September 5th, 2026

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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

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 - Colorad...

Colorado Springs, CO

Sunday, September 6th, 2026

1 Mile

10K

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

Labor Day Half Marathon

Parker, CO

Monday, September 7th, 2026

Half

10K

Fast

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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

View details for race Run4Hope 5K for Schools

6 Dot Dash

Littleton, CO

Saturday, September 12th, 2026

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Tiger Prowl 5K

Denver, CO

Sunday, September 13th, 2026

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RMRR September 5k/10k

Thornton, CO

Sunday, September 13th, 2026

10K

View details for race RMRR September 5k/10k

RMRR Fall Marathon Training Series #2

Thornton, CO

Sunday, September 13th, 2026

Ultra

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Buffalo Bicycle Classic

Boulder, CO

Sunday, September 13th, 2026

Ultra

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9/11 Heroes Run - Denver, Colorado

Denver, CO

Sunday, September 13th, 2026

1 Mile

View details for race 9/11 Heroes Run - Denver, Colorado

All Hands on Deck The Pirates 5K

Colorado Springs, CO

Saturday, September 19th, 2026

View details for race All Hands on Deck The Pirates 5K

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

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

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