Upcoming 5K Races Near Castle Rock, CO

Name: Halloween Fun Run 5k & 1mile - Zombie Theme
Start: 2025-10-25
End: 2025-10-25
Location: Idaho Springs

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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

All-Out Fall Fest

Westminster, CO

Saturday, September 13th, 2025

Half

10K

Trail

View details for race All-Out Fall Fest

Muddy Dash | Denver

Erie, CO

Saturday, September 13th, 2025

View details for race Muddy Dash | Denver

Demon Dash

Arvada, CO

Saturday, September 13th, 2025

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Spooky Sprint - Colorado Springs

Colorado Springs, CO

Saturday, September 13th, 2025

10K

View details for race Spooky Sprint - Colorado Springs

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

The Denver 5k

Denver, CO

Saturday, September 13th, 2025

View details for race The Denver 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

9/11 Heroes Run - Denver, Colorado

Denver, CO

Sunday, September 14th, 2025

1 Mile

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

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

Move Forward 5K & 10K

Denver, CO

Saturday, September 20th, 2025

10K

View details for race Move Forward 5K & 10K

2025 Montbello Alive! 5K

Denver, CO

Saturday, September 20th, 2025

View details for race 2025 Montbello Alive! 5K

Miles 4 Madison 5K & 1K

Littleton, CO

Saturday, September 20th, 2025

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

Denver: Walk With Autism and Resource Fair

Denver, CO

Saturday, September 20th, 2025

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

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

National Singles Day: Singles & Friends Running...

Centennial, CO

Saturday, September 27th, 2025

10K

Half

View details for race National Singles Day: Singles & Friends Running DENVER/AURORA

National Coffee Day: Run for Coffee DENVER/AURORA

Centennial, CO

Saturday, September 27th, 2025

10K

Half

View details for race National Coffee Day: Run for Coffee DENVER/AURORA

Runway 5K - Run for the Angels

Broomfield, CO

Saturday, September 27th, 2025

View details for race Runway 5K - Run for the Angels

Pioneer Prairie Dog Half, 10k & 5k

Westminster, CO

Saturday, September 27th, 2025

Half

10K

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

Lisa Nelson’s Mustang Stampede 5K

Arvada, CO

Saturday, September 27th, 2025

View details for race Lisa Nelson’s Mustang Stampede 5K

WWE ANNUAL RUN WITH THE WOLVES

Arvada, CO

Sunday, September 28th, 2025

View details for race WWE ANNUAL RUN WITH THE WOLVES

I Can 5k

Thornton, CO

Saturday, October 4th, 2025

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Rainbow Trail Lutheran Camp's 19th Annual Grace...

Denver, CO

Saturday, October 4th, 2025

Trail

View details for race Rainbow Trail Lutheran Camp's 19th Annual Grace Race 5k

Not So Flatt Breast Cancer Awareness Run/Walk –...

Westminster, CO

Saturday, October 4th, 2025

10K

View details for race Not So Flatt Breast Cancer Awareness Run/Walk – 5K & 10K in Denver, CO

Big Waves Family 5K run/walk Presented by Brumate

Westminster, CO

Saturday, October 4th, 2025

View details for race Big Waves Family 5K run/walk Presented by Brumate

PRA Miner Gold Rush

Broomfield, CO

Saturday, October 4th, 2025

1 Mile

View details for race PRA Miner Gold Rush

Colorado Springs Marathon, Half, 5K, and Kids K

Colorado Springs, CO

Saturday, October 4th, 2025

Marathon

Half

Trail

View details for race Colorado Springs Marathon, Half, 5K, and Kids K

Strides for Sierra 5K run/walk

Arvada, CO

Sunday, October 5th, 2025

View details for race Strides for Sierra 5K run/walk

Layafette Music Fest Half-Marathon/10K/5K

Louisville, CO

Sunday, October 5th, 2025

Half

View details for race Layafette Music Fest Half-Marathon/10K/5K

RMRR October Trophy Series

Aurora, CO

Sunday, October 5th, 2025

Fast

View details for race RMRR October Trophy Series

Liberty Energy 5K - Benefiting the Bettering Hu...

Denver, CO

Sunday, October 5th, 2025

View details for race Liberty Energy 5K - Benefiting the Bettering Human Lives Foundation

Gummball 5K

Brighton, CO

Saturday, October 11th, 2025

View details for race Gummball 5K

Manitou 5K

Manitou Springs, CO

Saturday, October 11th, 2025

View details for race Manitou 5K

Boulder XC Series Meet 1

Boulder, CO

Saturday, October 11th, 2025

View details for race Boulder XC Series Meet 1

Kipling Villas 5K - 2024

Littleton, CO

Saturday, October 11th, 2025

View details for race Kipling Villas 5K - 2024

ASDAsh 5k

Aurora, CO

Saturday, October 11th, 2025

View details for race ASDAsh 5k

Westy Half & 5k

Westminster, CO

Sunday, October 12th, 2025

Half

View details for race Westy Half & 5k

The bRUNch Run™

Denver, CO

Sunday, October 12th, 2025

10K

15K

View details for race The bRUNch Run™

2025 DU Crimson Classic 5K Run/1.5 Mile Walk

Denver, CO

Tuesday, October 14th, 2025

View details for race 2025 DU Crimson Classic 5K Run/1.5 Mile Walk

The Great Trailhead Foot Race 10 Miler & 5k

Lakewood, CO

Saturday, October 18th, 2025

10 Miles

Trail

View details for race The Great Trailhead Foot Race 10 Miler & 5k

Expo Park XC Runs

Aurora, CO

Sunday, October 19th, 2025

View details for race Expo Park XC Runs

Fleet Feet Denver Turkey Trot Training Program

Littleton, CO

Tuesday, October 21st, 2025

View details for race Fleet Feet Denver Turkey Trot Training Program

DU Crimson Classic 5K Run/1.5 Mile Walk

Denver, CO

Wednesday, October 22nd, 2025

1 Mile

View details for race DU Crimson Classic 5K Run/1.5 Mile Walk

Apex Foundation Trick or Trot 5K & Halloween Hu...

Arvada, CO

Saturday, October 25th, 2025

1 Mile

View details for race Apex Foundation Trick or Trot 5K & Halloween Hunt presented by Intermountain Health

2025 Eerie Erie

Erie, CO

Saturday, October 25th, 2025

10K

Trail

View details for race 2025 Eerie Erie

YMCA Creepy Crawl 5K

Palmer Lake, CO

Saturday, October 25th, 2025

Trail

View details for race YMCA Creepy Crawl 5K

Halloween Fun Run 5k & 1mile - Zombie Theme

Idaho Springs, CO

Saturday, October 25th, 2025

1 Mile

View details for race Halloween Fun Run 5k & 1mile - Zombie Theme

Explore more in Castle Rock, CO

Distances:

5K 10K Half Marathon Marathon

Months:

September October November

Tags:

Trail Boston Qualifiers Fast Courses

State:

All Colorado races

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