Upcoming 5K Races in Bailey, CO 2026-2027

Farish Trail Race

Woodland Park, CO

Saturday, May 23rd, 2026

Featured

Half

10K

5K

Trail

View details for race Farish Trail Race

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Evergreen Trail Race Series

Evergreen, CO

Saturday, May 30th, 2026

5K

Trail

View details for race Evergreen Trail Race Series

Flamingo Day 5K

Denver, CO

Sunday, June 7th, 2026

5K

View details for race Flamingo Day 5K

DU Dash Colorado

Palmer Lake, CO

Sunday, June 7th, 2026

5K

10K

Trail

View details for race DU Dash Colorado

The Big Run Presented by Brooks

Denver, CO

Sunday, June 7th, 2026

5K

View details for race The Big Run Presented by Brooks

Colorado 13er (Half Marathon/10k/5k)

Louisville, CO

Sunday, June 7th, 2026

Half

10K

5K

Trail

View details for race Colorado 13er (Half Marathon/10k/5k)

Sweat & Snack Community Run + Episode 1 Gel Pre...

Boulder, CO

Tuesday, June 9th, 2026

5K

View details for race Sweat & Snack Community Run + Episode 1 Gel Premier

Treat Trot Denver

Denver, CO

Saturday, June 13th, 2026

5K

10K

15K

View details for race Treat Trot Denver

Treat Trot - Denver

Thornton, CO

Saturday, June 13th, 2026

5K

10K

15K

View details for race Treat Trot - Denver

All-Out Summer Breeze

Arvada, CO

Saturday, June 13th, 2026

Half

10K

5K

Trail

View details for race All-Out Summer Breeze

Stepping Stone 5K

Littleton, CO

Saturday, June 13th, 2026

5K

View details for race Stepping Stone 5K

Holy Hammers Hustle for Habitat

Parker, CO

Saturday, June 13th, 2026

5K

View details for race Holy Hammers Hustle for Habitat

Tutu Dash 5K

Broomfield, CO

Saturday, June 13th, 2026

5K

1 Mile

Trail

View details for race Tutu Dash 5K

The Bullfrog Splashdown

Littleton, CO

Sunday, June 14th, 2026

10K

5K

1 Mile

View details for race The Bullfrog Splashdown

Parker Parks and Recreation

Parker, CO

Saturday, June 20th, 2026

5K

View details for race Parker Parks and Recreation

Unicorn 5k (North)

Thornton, CO

Saturday, June 20th, 2026

5K

View details for race Unicorn 5k (North)

Father's Day Classic 10k, 5k, & 1 Mile

Arvada, CO

Sunday, June 21st, 2026

10K

5K

1 Mile

View details for race Father's Day Classic 10k, 5k, & 1 Mile

Sunset Trail Running Festival

Boulder, CO

Sunday, June 21st, 2026

12K

5K

Trail

View details for race Sunset Trail Running Festival

Juneteenth Fun Run 5K

Denver, CO

Sunday, June 21st, 2026

5K

View details for race Juneteenth Fun Run 5K

14th Annual Buffs4Life Kyle MacIntosh Memorial ...

Boulder, CO

Sunday, June 21st, 2026

5K

View details for race 14th Annual Buffs4Life Kyle MacIntosh Memorial 5K Run/Walk

The Red Schoolhouse Run

Louisville, CO

Tuesday, June 23rd, 2026

5K

View details for race The Red Schoolhouse Run

Denver Pride 5K

Denver, CO

Saturday, June 27th, 2026

5K

View details for race Denver Pride 5K

Fitness Expo On Tap at the Colorado Tap House

Arvada, CO

Saturday, June 27th, 2026

5K

1 Mile

View details for race Fitness Expo On Tap at the Colorado Tap House

Before The Fourth 5k

Littleton, CO

Saturday, June 27th, 2026

5K

View details for race Before The Fourth 5k

Burro Buster 5k

Fairplay, CO

Saturday, July 4th, 2026

5K

View details for race Burro Buster 5k

Let Freedom Run 5k/10k - Louisville

Louisville, CO

Saturday, July 4th, 2026

5K

10K

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

HRCA Independence Day 5K

Littleton, CO

Saturday, July 4th, 2026

5K

View details for race HRCA Independence Day 5K

BRR All-Comers Summer Track & Field Series #3

Boulder, CO

Thursday, July 9th, 2026

1 Mile

5K

View details for race BRR All-Comers Summer Track & Field Series #3

Heatwave Half Marathon - Denver

Denver, CO

Saturday, July 11th, 2026

1 Mile

5K

10K

View details for race Heatwave Half Marathon - Denver

Heatwave Half Marathon - Denver

Littleton, CO

Saturday, July 11th, 2026

1 Mile

5K

10K

View details for race Heatwave Half Marathon - Denver

DRMABPsi 1–5K Walk, Run & Roll

Denver, CO

Saturday, July 11th, 2026

5K

View details for race DRMABPsi 1–5K Walk, Run & Roll

All-Out Dog Days

Westminster, CO

Saturday, July 11th, 2026

Half

10K

5K

Trail

View details for race All-Out Dog Days

Cookie Chase

Denver, CO

Saturday, July 11th, 2026

5K

Fast

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Diplo's Run Club Denver

Denver, CO

Sunday, July 12th, 2026

Code:FTR10

5K

View details for race Diplo's Run Club Denver

Summer Splash Prairie Dog Half, 10k, & 5k

Castle Rock, CO

Saturday, July 18th, 2026

Half

10K

5K

Trail

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

Festival in the Clouds Firefighter 5K, Fun Run ...

Alma, CO

Saturday, July 18th, 2026

5K

View details for race Festival in the Clouds Firefighter 5K, Fun Run and Doggie Dash

Heritage Eagles 5K

Littleton, CO

Saturday, July 18th, 2026

5K

Fast

View details for race Heritage Eagles 5K

The Hero's Journey 5K

Aurora, CO

Saturday, July 25th, 2026

5K

Trail

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Spirit of the West 5K Run/Walk

Golden, CO

Sunday, July 26th, 2026

5K

View details for race Spirit of the West 5K Run/Walk

Unicorn 5k (South)

Highlands Ranch, CO

Saturday, August 1st, 2026

5K

View details for race Unicorn 5k (South)

12th Annual Run for the Ring

Aurora, CO

Saturday, August 1st, 2026

5K

Trail

View details for race 12th Annual Run for the Ring

RMRR August Trophy Series

Centennial, CO

Friday, August 7th, 2026

5K

View details for race RMRR August Trophy Series

Summer Sizzler- Denver

Thornton, CO

Saturday, August 8th, 2026

1 Mile

5K

10K

View details for race Summer Sizzler- Denver

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

Denver, CO

Saturday, August 8th, 2026

1 Mile

5K

10K

View details for race Summer Sizzler- Denver

Pancake Stampede 5K

Littleton, CO

Sunday, August 9th, 2026

5K

View details for race Pancake Stampede 5K

The Bullfrog Summer Surge

Lakewood, CO

Sunday, August 9th, 2026

5K

View details for race The Bullfrog Summer Surge

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

Upcoming 5K Races Near Bailey, CO