Upcoming Races Near Lone Tree, CO

Name: Colorado 13er (Half Marathon/10k/5k)
Start: 2026-06-07
End: 2026-06-07
Location: Louisville

Hot Laps - Denver

Denver, CO

Friday, April 24th, 2026

Featured

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Runs With Scissors Races

Brighton, CO

Saturday, April 25th, 2026

Half

Marathon

Ultra

View details for race Runs With Scissors Races

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

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

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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

CollaBEERation 5k & Brew Fest Party

Longmont, CO

Saturday, May 2nd, 2026

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Greenland Trail Races

Larkspur, CO

Saturday, May 2nd, 2026

Ultra

Trail

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High Line Canal 5K/10K Run

Centennial, CO

Saturday, May 2nd, 2026

10K

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

Nielson Challenge

Colorado Springs, CO

Saturday, May 2nd, 2026

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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

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

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Frank Shorter Track Classic

Longmont, CO

Sunday, May 3rd, 2026

1 Mile

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Rise Against Suicide - Emerge 5K

Boulder, CO

Sunday, May 3rd, 2026

View details for race Rise Against Suicide - Emerge 5K

Longmont Half & 5k (LM Half)

Longmont, CO

Sunday, May 3rd, 2026

Half

View details for race Longmont Half & 5k (LM Half)

Dash & Dine 5k #2

Boulder, CO

Tuesday, May 5th, 2026

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Cherry Creek Race for the Watershed 2026

Aurora, CO

Saturday, May 9th, 2026

View details for race Cherry Creek Race for the Watershed 2026

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

Kadet Football 5K

Colorado Springs, CO

Saturday, May 9th, 2026

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HRCA Mother's Day 5K

Highlands Ranch, CO

Saturday, May 9th, 2026

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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

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

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

Hometown Half Marathon & 5k/10k - Denver

Littleton, CO

Sunday, May 10th, 2026

1 Mile

10K

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

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

The HIKE

Cascade, CO

Saturday, May 16th, 2026

Trail

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Gluten Free Gallop 5K

Littleton, CO

Saturday, May 16th, 2026

View details for race Gluten Free Gallop 5K

Girls on the Run 5K at Colfax - Running Buddies...

Denver, CO

Saturday, May 16th, 2026

View details for race Girls on the Run 5K at Colfax - Running Buddies and Volunteers

Endure Trail Runs

Divide, CO

Saturday, May 16th, 2026

1 Mile

Trail

View details for race Endure Trail Runs

Growing Home - Colfax Fundraiser

Denver, CO

Saturday, May 16th, 2026

View details for race Growing Home - Colfax Fundraiser

Girls on the Run Rockies Colfax SoleMates 2026

Denver, CO

Sunday, May 17th, 2026

Marathon

Half

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Miles for Smiles 5K

Arvada, CO

Sunday, May 17th, 2026

Trail

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Canine On the Creek

Dumont, CO

Sunday, May 17th, 2026

1 Mile

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AdventHealth Race to Rebuild

Lone Tree, CO

Wednesday, May 20th, 2026

1 Mile

View details for race AdventHealth Race to Rebuild

8th Annual Angel Run at Red Leg Brewing

Colorado Springs, CO

Friday, May 22nd, 2026

10K

View details for race 8th Annual Angel Run at Red Leg Brewing

Mile High Mile

Boulder, CO

Saturday, May 23rd, 2026

1 Mile

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Farish Trail Race

Woodland Park, CO

Saturday, May 23rd, 2026

Half

10K

Trail

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GMR Backyard Ultra

Golden, CO

Saturday, May 23rd, 2026

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Race Day Support Add-On

Boulder, CO

Wednesday, May 27th, 2026

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DRMABPsi 1–5K Walk, Run & Roll

Denver, CO

Saturday, May 30th, 2026

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

The Big Run Presented By Brooks

Colorado Springs, CO

Wednesday, June 3rd, 2026

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Aiden's Adventure 5k

Colorado Springs, CO

Saturday, June 6th, 2026

1 Mile

View details for race Aiden's Adventure 5k

The Big Run Presented by Brooks

Denver, CO

Sunday, June 7th, 2026

View details for race The Big Run Presented by Brooks

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)

Explore more in Lone Tree, CO

Distances:

5K 10K Half Marathon Marathon

Months:

April May June

Tags:

Trail Boston Qualifiers Fast Courses

State:

All Colorado races

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