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Upcoming 5K Races Near Denver, CO in August, 2026

Unicorn 5k (South)

Highlands Ranch, CO

Saturday, August 1st, 2026

Featured

5K

View details for race Unicorn 5k (South)

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RMRR August Trophy Series

Centennial, CO

Friday, August 7th, 2026

5K

View details for race RMRR August Trophy Series

Arapahoe Warrior 5K

Centennial, CO

Saturday, August 8th, 2026

5K

View details for race Arapahoe Warrior 5K

All-Out Runapalooza

Arvada, CO

Saturday, August 8th, 2026

Half

10K

5K

Trail

View details for race All-Out Runapalooza

Summer Sizzler- Denver

Thornton, CO

Saturday, August 8th, 2026

1 Mile

5K

10K

View details for race Summer Sizzler- Denver

Summer Sizzler- Denver

Denver, CO

Saturday, August 8th, 2026

1 Mile

5K

10K

View details for race Summer Sizzler- Denver

Miles for Migraine Colorado

Denver, CO

Saturday, August 15th, 2026

5K

View details for race Miles for Migraine Colorado

Erie Half & 5k

Erie, CO

Sunday, August 16th, 2026

Half

5K

View details for race Erie Half & 5k

Ram Run

Denver, CO

Saturday, August 22nd, 2026

5K

View details for race Ram Run

2026 True Impact Ministries 5K/10K

Centennial, CO

Saturday, August 22nd, 2026

5K

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

5K

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

Rebel Run 5k

Denver, CO

Sunday, August 23rd, 2026

5K

View details for race Rebel Run 5k

RexRun For PAWSitivity 2026 Trail Run/Walk

Aurora, CO

Saturday, August 29th, 2026

5K

1 Mile

Trail

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

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

Allenspark, CO

Saturday, August 29th, 2026

5K

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

Explore more in Denver, CO

Distances:

5K 10K Half Marathon Marathon

Months:

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State:

All Colorado races

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