Upcoming 5K Races Near Thornton, CO

Name: 19th Annual Golden Gallop
Start: 2025-09-21
End: 2025-09-21
Location: Golden

Rocky Mountain Half Marathon & 5K

Estes Park, CO

Friday, August 1st, 2025

10K

Half

View details for race Rocky Mountain Half Marathon & 5K

RMRR August Trophy Series

Centennial, CO

Friday, August 1st, 2025

View details for race RMRR August Trophy Series

Valley 5000

Loveland, CO

Saturday, August 2nd, 2025

Ultra

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All-Out Runapalooza

Arvada, CO

Saturday, August 2nd, 2025

Half

10K

Trail

View details for race All-Out Runapalooza

Unicorn 5k (South)

Highlands Ranch, CO

Saturday, August 2nd, 2025

View details for race Unicorn 5k (South)

11th Annual Run for the Ring

Aurora, CO

Saturday, August 2nd, 2025

Trail

View details for race 11th Annual Run for the Ring

Holy Hammers Hustle for Habitat

Parker, CO

Saturday, August 2nd, 2025

View details for race Holy Hammers Hustle for Habitat

Freedom Fest 2025 - Colorado Day

Parker, CO

Saturday, August 2nd, 2025

10K

15K

View details for race Freedom Fest 2025 - Colorado Day

Choice City Running Festival

Fort Collins, CO

Friday, August 8th, 2025

1 Mile

10K

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Holy COW Trail Stampede

Westminster, CO

Saturday, August 9th, 2025

Trail

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Arapahoe Warrior 5K

Centennial, CO

Saturday, August 9th, 2025

View details for race Arapahoe Warrior 5K

Severance Glow 5K Run or Walk

Severance, CO

Saturday, August 9th, 2025

Trail

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Sunrise Stampede

Longmont, CO

Saturday, August 9th, 2025

1 Mile

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Summer Sizzler- Denver

Thornton, CO

Saturday, August 16th, 2025

1 Mile

10K

View details for race Summer Sizzler- Denver

Miles for Migraine Colorado

Denver, CO

Saturday, August 16th, 2025

View details for race Miles for Migraine Colorado

Summer Sizzler- Denver

Denver, CO

Saturday, August 16th, 2025

10K

1 Mile

View details for race Summer Sizzler- Denver

Cancer League of Colorado Race 4 Research

Denver, CO

Sunday, August 17th, 2025

View details for race Cancer League of Colorado Race 4 Research

Erie Half & 5k

Erie, CO

Sunday, August 17th, 2025

Half

View details for race Erie Half & 5k

Unicorn Festival 5k

Aurora, CO

Saturday, August 23rd, 2025

View details for race Unicorn Festival 5k

Ram Run

Denver, CO

Saturday, August 23rd, 2025

View details for race Ram Run

True Impact Ministries 5K/10K

Centennial, CO

Saturday, August 23rd, 2025

10K

Trail

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

The Q Man Classic

Highlands Ranch, CO

Saturday, August 23rd, 2025

View details for race The Q Man Classic

Byers Peak Stampede Half Marathon & 5K Run

Fraser, CO

Saturday, August 23rd, 2025

Half

View details for race Byers Peak Stampede Half Marathon & 5K Run

Coyote Chase 5k

Louisville, CO

Saturday, August 23rd, 2025

View details for race Coyote Chase 5k

Fleet Feet Denver Fall 5k Five-Week Training Pr...

Littleton, CO

Tuesday, August 26th, 2025

View details for race Fleet Feet Denver Fall 5k Five-Week Training Program

Calarat Challenge Trail Running Festival

Jamestown, CO

Saturday, August 30th, 2025

Half

10K

Trail

View details for race Calarat Challenge Trail Running Festival

Labor Day Half Marathon

Parker, CO

Monday, September 1st, 2025

Half

10K

Fast

View details for race Labor Day Half Marathon

3rd Annual Roost Rebellion Relays

Denver, CO

Wednesday, September 3rd, 2025

View details for race 3rd Annual Roost Rebellion Relays

RexRun For PAWSitivity 2025 5K Trail Run/Walk

Aurora, CO

Saturday, September 6th, 2025

1 Mile

Trail

View details for race RexRun For PAWSitivity 2025 5K Trail Run/Walk

RMRR September Trophy Series

Thornton, CO

Sunday, September 7th, 2025

10K

Fast

View details for race RMRR September Trophy Series

Flyin' Lion 5K

Littleton, CO

Sunday, September 7th, 2025

View details for race Flyin' Lion 5K

Denver Rocks Run 5K/10K

Denver, CO

Sunday, September 7th, 2025

View details for race Denver Rocks Run 5K/10K

Rebel Run 5k

Denver, CO

Sunday, September 7th, 2025

View details for race Rebel Run 5k

Conservation Colorado 5k

Denver, CO

Sunday, September 7th, 2025

View details for race Conservation Colorado 5k

National Chocolate Day: Run for Chocolates DENV...

Centennial, CO

Saturday, September 13th, 2025

10K

Half

View details for race National Chocolate Day: Run for Chocolates DENVER/AURORA

Parker Parks and Recreation So Long to Summer 5...

Parker, CO

Saturday, September 13th, 2025

10K

View details for race Parker Parks and Recreation So Long to Summer 5K/10K

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

Elizabeth, CO

Saturday, September 13th, 2025

1 Mile

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

The Denver 5k

Denver, CO

Saturday, September 13th, 2025

View details for race The Denver 5k

Muddy Dash | Denver

Erie, CO

Saturday, September 13th, 2025

View details for race Muddy Dash | Denver

All-Out Fall Fest

Westminster, CO

Saturday, September 13th, 2025

Half

10K

Trail

View details for race All-Out Fall Fest

Spooky Sprint - Denver

Littleton, CO

Sunday, September 14th, 2025

1 Mile

10K

View details for race Spooky Sprint - Denver

Spooky Sprint - Denver

Denver, CO

Sunday, September 14th, 2025

10K

1 Mile

View details for race Spooky Sprint - Denver

9/11 Heroes Run - Denver, Colorado

Denver, CO

Sunday, September 14th, 2025

1 Mile

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

Miles 4 Madison 5K & 1K

Littleton, CO

Saturday, September 20th, 2025

View details for race Miles 4 Madison 5K & 1K

2024 Montbello Alive! 5K

Denver, CO

Saturday, September 20th, 2025

View details for race 2024 Montbello Alive! 5K

Move Forward 5K & 10K

Denver, CO

Saturday, September 20th, 2025

10K

View details for race Move Forward 5K & 10K

13th Annual Superhero Event

Greeley, CO

Saturday, September 20th, 2025

10K

1 Mile

View details for race 13th Annual Superhero Event

Tiger Prowl 5K

Denver, CO

Sunday, September 21st, 2025

View details for race Tiger Prowl 5K

Farmers 5000

Wheat Ridge, CO

Sunday, September 21st, 2025

View details for race Farmers 5000

19th Annual Golden Gallop

Golden, CO

Sunday, September 21st, 2025

10K

View details for race 19th Annual Golden Gallop

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