Upcoming 5K Races Near Erie, CO

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The Bullfrog Splashdown

Littleton, CO

Sunday, June 14th, 2026

10K

1 Mile

View details for race The Bullfrog Splashdown

Parker Parks and Recreation Dash Across the Dam...

Parker, CO

Saturday, June 20th, 2026

View details for race Parker Parks and Recreation Dash Across the Dam Father’s Day 5K

Muddy Dash | Denver 2026

Dacono, CO

Saturday, June 20th, 2026

View details for race Muddy Dash | Denver 2026

Red, White and Brew 5k, 10k, Half Marathon & 12...

Windsor, CO

Saturday, June 20th, 2026

10K

Half

View details for race Red, White and Brew 5k, 10k, Half Marathon & 12 Hour Last Person Standing

Unicorn 5k (North)

Thornton, CO

Saturday, June 20th, 2026

View details for race Unicorn 5k (North)

Sierra's 5K Run/Walk Race Against Meningitis

Loveland, CO

Saturday, June 20th, 2026

View details for race Sierra's 5K Run/Walk Race Against Meningitis

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

Arvada, CO

Sunday, June 21st, 2026

10K

1 Mile

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

VIRTUAL 14th Annual Buffs4Life Kyle MacIntosh M...

Boulder, CO

Sunday, June 21st, 2026

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

2026 CANCELED-14th Annual Buffs4Life Kyle MacIn...

Boulder, CO

Sunday, June 21st, 2026

View details for race 2026 CANCELED-14th Annual Buffs4Life Kyle MacIntosh Memorial 5K Run/Walk

Sunset Trail Running Festival

Boulder, CO

Sunday, June 21st, 2026

12K

Trail

View details for race Sunset Trail Running Festival

Juneteenth Fun Run 5K

Denver, CO

Sunday, June 21st, 2026

View details for race Juneteenth Fun Run 5K

The Red Schoolhouse Run

Louisville, CO

Tuesday, June 23rd, 2026

View details for race The Red Schoolhouse Run

The Four Legged 5k

Bailey, CO

Friday, June 26th, 2026

View details for race The Four Legged 5k

Before The Fourth 5k

Littleton, CO

Saturday, June 27th, 2026

View details for race Before The Fourth 5k

Firework Color Run

Berthoud, CO

Saturday, June 27th, 2026

1 Mile

View details for race Firework Color Run

Fitness Expo On Tap at the Colorado Tap House

Arvada, CO

Saturday, June 27th, 2026

1 Mile

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

Denver Pride 5K

Denver, CO

Saturday, June 27th, 2026

View details for race Denver Pride 5K

Timberview Trail Run

Bellvue, CO

Saturday, June 27th, 2026

Trail

View details for race Timberview Trail Run

Let Freedom Run 5k - LONGMONT

Longmont, CO

Saturday, July 4th, 2026

View details for race Let Freedom Run 5k - LONGMONT

Loveland Liberty 5K

Loveland, CO

Saturday, July 4th, 2026

View details for race Loveland Liberty 5K

Greeley Freedom 5k Walk & Run

Greeley, CO

Saturday, July 4th, 2026

View details for race Greeley Freedom 5k Walk & Run

6th Annual July 4th ROCK-IT RUN

Castle Rock, CO

Saturday, July 4th, 2026

Half

View details for race 6th Annual July 4th ROCK-IT RUN

FireKracker 5k

Fort Collins, CO

Saturday, July 4th, 2026

1 Mile

View details for race FireKracker 5k

HRCA Independence Day 5K

Littleton, CO

Saturday, July 4th, 2026

View details for race HRCA Independence Day 5K

Let Freedom Run 5k/10k - Louisville

Louisville, CO

Saturday, July 4th, 2026

10K

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

BRR All-Comers Summer Track & Field Series #3

Boulder, CO

Thursday, July 9th, 2026

1 Mile

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

Cookie Chase

Denver, CO

Saturday, July 11th, 2026

Fast

View details for race Cookie Chase

Heatwave Half Marathon - Denver

Denver, CO

Saturday, July 11th, 2026

1 Mile

10K

View details for race Heatwave Half Marathon - Denver

DRMABPsi 1–5K Walk, Run & Roll

Denver, CO

Saturday, July 11th, 2026

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

Heatwave Half Marathon - Denver

Littleton, CO

Saturday, July 11th, 2026

1 Mile

10K

View details for race Heatwave Half Marathon - Denver

All-Out Dog Days

Westminster, CO

Saturday, July 11th, 2026

Half

10K

Trail

View details for race All-Out Dog Days

Diplo's Run Club Denver

Denver, CO

Sunday, July 12th, 2026

Code:FTR10

View details for race Diplo's Run Club Denver

Heritage Eagles 5K

Littleton, CO

Saturday, July 18th, 2026

Fast

View details for race Heritage Eagles 5K

CU Anschutz Run Club 5K

Aurora, CO

Saturday, July 18th, 2026

View details for race CU Anschutz Run Club 5K

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

Castle Rock, CO

Saturday, July 18th, 2026

Half

10K

Trail

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

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

View details for race Flyin' Ryan Memorial 5k

The Hero's Journey 5K

Aurora, CO

Saturday, July 25th, 2026

Trail

View details for race The Hero's Journey 5K

Spirit of the West 5K Run/Walk

Golden, CO

Sunday, July 26th, 2026

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

Move with MADD Denver 5k and Walk

Denver, CO

Saturday, August 1st, 2026

View details for race Move with MADD Denver 5k and Walk

Unicorn 5k (South)

Highlands Ranch, CO

Saturday, August 1st, 2026

View details for race Unicorn 5k (South)

12th Annual Run for the Ring

Aurora, CO

Saturday, August 1st, 2026

View details for race 12th Annual Run for the Ring

Eltuck Valley 5K - Lory Summer Trail Series

Fort Collins, CO

Tuesday, August 4th, 2026

Trail

Fast

View details for race Eltuck Valley 5K - Lory Summer Trail Series

Choice City Running Festival

Fort Collins, CO

Friday, August 7th, 2026

1 Mile

Half

10K

View details for race Choice City Running Festival

RMRR August 5km and picnic

Centennial, CO

Friday, August 7th, 2026

View details for race RMRR August 5km and picnic

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

View details for race All-Out Runapalooza

Arapahoe Warrior 5K

Centennial, CO

Saturday, August 8th, 2026

View details for race Arapahoe Warrior 5K

Summer Sizzler- Denver

Denver, CO

Saturday, August 8th, 2026

1 Mile

10K

View details for race Summer Sizzler- Denver

The Bullfrog Summer Surge

Lakewood, CO

Sunday, August 9th, 2026

View details for race The Bullfrog Summer Surge

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