Upcoming Races Near Castle Rock, CO

Name: Cherry Creek Race for the Watershed 2026
Start: 2026-05-09
End: 2026-05-09
Location: Aurora

All-Out Spring Fever

Golden, CO

Sunday, March 22nd, 2026

Featured

Half

10K

Trail

View details for race All-Out Spring Fever

Want to feature your race?

Get your race seen first by thousands of runners

Learn More

Learn how to feature your race

Central Park 5k

Denver, CO

Sunday, March 22nd, 2026

Fast

View details for race Central Park 5k

The City Park Circuit, Powered by New Balance

Denver, CO

Saturday, March 28th, 2026

View details for race The City Park Circuit, Powered by New Balance

RMRR Spring Marathon Training Series #1

Thornton, CO

Sunday, March 29th, 2026

10 Miles

Ultra

View details for race RMRR Spring Marathon Training Series #1

New Terrain Table Traverse

Golden, CO

Sunday, March 29th, 2026

Trail

View details for race New Terrain Table Traverse

Nielson Challenge

Colorado Springs, CO

Saturday, April 4th, 2026

View details for race Nielson Challenge

Erie Easter Bunny Hop

Erie, CO

Saturday, April 4th, 2026

View details for race Erie Easter Bunny Hop

Three Creeks Half Marathon

Englewood, CO

Sunday, April 5th, 2026

Half

Trail

Fast

View details for race Three Creeks Half Marathon

RMRR Spring Marathon Training Series #2

Thornton, CO

Saturday, April 11th, 2026

10 Miles

Ultra

View details for race RMRR Spring Marathon Training Series #2

Rockin on the River 5K

Littleton, CO

Saturday, April 11th, 2026

View details for race Rockin on the River 5K

Dash for Detection: Oral Cancer Awareness 5K

Denver, CO

Saturday, April 11th, 2026

View details for race Dash for Detection: Oral Cancer Awareness 5K

Run Through The Decades 6K/7K/8K/Half - Colorad...

Colorado Springs, CO

Saturday, April 11th, 2026

Half

View details for race Run Through The Decades 6K/7K/8K/Half - Colorado Springs

ASDAsh 5K to Beat Tooth Decay

Aurora, CO

Saturday, April 11th, 2026

View details for race ASDAsh 5K to Beat Tooth Decay

Hop Into Spring 5K - Denver

Denver, CO

Sunday, April 12th, 2026

View details for race Hop Into Spring 5K - Denver

Donut Dash

Denver, CO

Sunday, April 12th, 2026

Fast

View details for race Donut Dash

Spring Fling Prairie Dog Half, 10k, & 5k

Arvada, CO

Sunday, April 12th, 2026

Half

10K

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

Prairie Dog Run Series

Louisville, CO

Sunday, April 12th, 2026

Half

View details for race Prairie Dog Run Series

RMRR April Trophy Series

Denver, CO

Sunday, April 12th, 2026

View details for race RMRR April Trophy Series

Healthy Kids Running Series Spring 2026 - Auror...

Aurora, CO

Sunday, April 12th, 2026

View details for race Healthy Kids Running Series Spring 2026 - Aurora, CO

Healthy Kids Running Series Spring 2026 - Denve...

Denver, CO

Sunday, April 12th, 2026

View details for race Healthy Kids Running Series Spring 2026 - Denver, CO

Platte River Half-Marathon, Relay & 5k

Littleton, CO

Sunday, April 12th, 2026

Half

View details for race Platte River Half-Marathon, Relay & 5k

All-Out Beat the Heat

Westminster, CO

Saturday, April 18th, 2026

Half

10K

Trail

View details for race All-Out Beat the Heat

Donot Stop Half Marathon (5k/10k) - Colorado Sp...

Colorado Springs, CO

Saturday, April 18th, 2026

1 Mile

10K

View details for race Donot Stop Half Marathon (5k/10k) - Colorado Springs

Kerr Gulch Amble

Evergreen, CO

Saturday, April 18th, 2026

View details for race Kerr Gulch Amble

Woody's Tortoise And Hare

Fountain, CO

Saturday, April 18th, 2026

Fast

View details for race Woody's Tortoise And Hare

Fairmount Fit Fest

Golden, CO

Sunday, April 19th, 2026

View details for race Fairmount Fit Fest

DoNot Stop Half Marathon (5k/10k) - Denver

Littleton, CO

Sunday, April 19th, 2026

1 Mile

10K

View details for race DoNot Stop Half Marathon (5k/10k) - Denver

DoNot Stop Half Marathon (5k/10k) - Denver

Westminster, CO

Sunday, April 19th, 2026

1 Mile

10K

View details for race DoNot Stop Half Marathon (5k/10k) - Denver

Hot Laps - Denver

Denver, CO

Friday, April 24th, 2026

View details for race Hot Laps - Denver

Alpine Autism Center 19th Annual "Run for the O...

Colorado Springs, CO

Saturday, April 25th, 2026

View details for race Alpine Autism Center 19th Annual "Run for the One" 5k Walk/Run

Runs With Scissors Races

Brighton, CO

Saturday, April 25th, 2026

Half

Marathon

Ultra

View details for race Runs With Scissors Races

Unicorn 5k (Denver-East)

Denver, CO

Sunday, April 26th, 2026

View details for race Unicorn 5k (Denver-East)

Blue Heron Half & 5K

Brighton, CO

Sunday, April 26th, 2026

Half

Fast

View details for race Blue Heron Half & 5K

2026 Dash & Dine 5k Run Series

Boulder, CO

Tuesday, April 28th, 2026

View details for race 2026 Dash & Dine 5k Run Series

Friends of the National Center Science Stride 5K

Boulder, CO

Friday, May 1st, 2026

View details for race Friends of the National Center Science Stride 5K

Walk Run or Roll for Daniel

Colorado Springs, CO

Saturday, May 2nd, 2026

View details for race Walk Run or Roll for Daniel

High Line Canal 5K/10K Run

Centennial, CO

Saturday, May 2nd, 2026

10K

View details for race High Line Canal 5K/10K Run

Adams County Foster Care 5K Run/Walk and 1 mile...

Brighton, CO

Saturday, May 2nd, 2026

1 Mile

View details for race Adams County Foster Care 5K Run/Walk and 1 mile fun run

Greenland Trail Races

Larkspur, CO

Saturday, May 2nd, 2026

Ultra

Trail

View details for race Greenland Trail Races

Rise Against Suicide’s Emerge 5K

Boulder, CO

Sunday, May 3rd, 2026

View details for race Rise Against Suicide’s Emerge 5K

2026 Altitude Elementary Moose Mudder

Aurora, CO

Sunday, May 3rd, 2026

View details for race 2026 Altitude Elementary Moose Mudder

RMRR May Trophy Series

Denver, CO

Sunday, May 3rd, 2026

Fast

View details for race RMRR May Trophy Series

Dash & Dine 5k #2

Boulder, CO

Tuesday, May 5th, 2026

View details for race Dash & Dine 5k #2

Parker Parks and Recreation Miles over the Mead...

Parker, CO

Saturday, May 9th, 2026

1 Mile

View details for race Parker Parks and Recreation Miles over the Meadow Mother’s Day 5K & Family Fun Trek

Hometown Half Marathon & 5k/10k - Colorado Springs

Colorado Springs, CO

Saturday, May 9th, 2026

10K

Half

View details for race Hometown Half Marathon & 5k/10k - Colorado Springs

Women's Distance Festival 5K

Colorado Springs, CO

Saturday, May 9th, 2026

View details for race Women's Distance Festival 5K

The Great CO74 Trail Run

Kittredge, CO

Saturday, May 9th, 2026

12K

View details for race The Great CO74 Trail Run

HRCA Mother's Day 5K

Highlands Ranch, CO

Saturday, May 9th, 2026

View details for race HRCA Mother's Day 5K

2026 Five Star 5K, Mile of Smiles, and Wellness...

Brighton, CO

Saturday, May 9th, 2026

1 Mile

View details for race 2026 Five Star 5K, Mile of Smiles, and Wellness Festival

Cherry Creek Race for the Watershed 2026

Aurora, CO

Saturday, May 9th, 2026

View details for race Cherry Creek Race for the Watershed 2026

Explore more in Castle Rock, CO

Distances:

5K 10K Half Marathon Marathon

Months:

April May June

Tags:

Trail Boston Qualifiers Fast Courses

State:

All Colorado races

Don't see your race? Add it!

Add Your Race (Free)