Upcoming 5K Races Near Castle Rock, CO

Name: Tutu Dash 5K
Start: 2026-06-13
End: 2026-06-13
Location: Broomfield

8th Annual ☘️ShamROCK Stampede 5k & RRCA 10k St...

Castle Rock, CO

Saturday, March 14th, 2026

Featured

10K

View details for race 8th Annual ☘️ShamROCK Stampede 5k & RRCA 10k State Championship☘️

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HRCA St. Patrick's Day 5K

Highlands Ranch, CO

Saturday, March 14th, 2026

View details for race HRCA St. Patrick's Day 5K

Lucky Leprechaun 5K

Boulder, CO

Sunday, March 15th, 2026

View details for race Lucky Leprechaun 5K

All-Out Spring Fever

Golden, CO

Sunday, March 22nd, 2026

Half

10K

View details for race All-Out Spring Fever

Central Park 5k

Denver, CO

Sunday, March 22nd, 2026

Fast

View details for race Central Park 5k

Erie Easter Bunny Hop

Erie, CO

Saturday, April 4th, 2026

View details for race Erie Easter Bunny Hop

ASDAsh 5K to Beat Tooth Decay

Aurora, CO

Saturday, April 11th, 2026

View details for race ASDAsh 5K to Beat Tooth Decay

Dash for Detection: Oral Cancer Awareness 5K

Denver, CO

Saturday, April 11th, 2026

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

Rockin on the River 5K

Littleton, CO

Saturday, April 11th, 2026

View details for race Rockin on the River 5K

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

Platte River Half-Marathon and Relay

Littleton, CO

Sunday, April 12th, 2026

Half

Trail

View details for race Platte River Half-Marathon and Relay

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

Woody's Tortoise And Hare

Fountain, CO

Saturday, April 18th, 2026

View details for race Woody's Tortoise And Hare

All-Out Beat the Heat

Westminster, CO

Saturday, April 18th, 2026

Half

10K

Trail

View details for race All-Out Beat the Heat

2026 Fairmount Fit Fest

Golden, CO

Sunday, April 19th, 2026

View details for race 2026 Fairmount Fit Fest

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

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

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

Blue Heron Half & 5K

Brighton, CO

Sunday, April 26th, 2026

Half

Fast

View details for race Blue Heron Half & 5K

Unicorn 5k (Denver-East)

Denver, CO

Sunday, April 26th, 2026

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

Dash & Dine 5k

Boulder, CO

Tuesday, April 28th, 2026

View details for race Dash & Dine 5k

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

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

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

2026 Altitude Elementary Moose Mudder

Aurora, CO

Sunday, May 3rd, 2026

View details for race 2026 Altitude Elementary Moose Mudder

Emerge 5K

Boulder, CO

Sunday, May 3rd, 2026

View details for race Emerge 5K

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

Women's Distance Festival 5K

Colorado Springs, CO

Saturday, May 9th, 2026

View details for race Women's Distance Festival 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

HRCA Mother's Day 5K

Highlands Ranch, CO

Saturday, May 9th, 2026

View details for race HRCA Mother's Day 5K

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

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

Cherry Creek Race for the Watershed 2026

Aurora, CO

Saturday, May 9th, 2026

View details for race Cherry Creek Race for the Watershed 2026

Colorado Women's Classic - Westminster

Westminster, CO

Sunday, May 10th, 2026

10K

10 Miles

View details for race Colorado Women's Classic - Westminster

Super Mom 5K/10K/Half - Colorado Springs

Colorado Springs, CO

Sunday, May 10th, 2026

10K

Half

View details for race Super Mom 5K/10K/Half - Colorado Springs

Hometown Half Marathon & 5k/10k - Denver

Denver, CO

Sunday, May 10th, 2026

10K

Half

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

Denver Mother's Day 5K

Denver, CO

Sunday, May 10th, 2026

View details for race Denver Mother's Day 5K

Gluten Free Gallop 5K

Littleton, CO

Saturday, May 16th, 2026

View details for race Gluten Free Gallop 5K

Miles for Smiles 5K

Arvada, CO

Sunday, May 17th, 2026

Trail

View details for race Miles for Smiles 5K

Farish Trail Race

Woodland Park, CO

Saturday, May 23rd, 2026

Half

10K

Trail

View details for race Farish Trail Race

5th Annual Angel Run at Red Leg Brewing

Colorado Springs, CO

Monday, May 25th, 2026

10K

View details for race 5th Annual Angel Run at Red Leg Brewing

Aiden's Adventure 5k

Colorado Springs, CO

Saturday, June 6th, 2026

1 Mile

View details for race Aiden's Adventure 5k

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

Louisville, CO

Sunday, June 7th, 2026

Half

10K

Trail

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

DU Dash Colorado

Palmer Lake, CO

Sunday, June 7th, 2026

10K

Trail

View details for race DU Dash Colorado

Flamingo Day 5K

Denver, CO

Sunday, June 7th, 2026

View details for race Flamingo Day 5K

Tutu Dash 5K

Broomfield, CO

Saturday, June 13th, 2026

1 Mile

Trail

View details for race Tutu Dash 5K

Explore more in Castle Rock, CO

Distances:

5K 10K Half Marathon Marathon

Months:

March April May

Tags:

Trail Boston Qualifiers Fast Courses

State:

All Colorado races

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