Upcoming Races Near Idaho Springs, CO

Name: Father's Day Classic 10k, 5k, & 1 Mile
Start: 2026-06-21
End: 2026-06-21
Location: Arvada

Friends of the National Center Science Stride 5K

Boulder, CO

Friday, May 1st, 2026

Featured

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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

22nd Annual Bob Turner Classic 5K Run/Walk

Berthoud, CO

Saturday, May 2nd, 2026

View details for race 22nd Annual Bob Turner Classic 5K Run/Walk

High Line Canal 5K/10K Run

Centennial, CO

Saturday, May 2nd, 2026

10K

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

9th edition CollaBEERation 5k & Brew Fest Party

Longmont, CO

Saturday, May 2nd, 2026

View details for race 9th edition CollaBEERation 5k & Brew Fest Party

Greenland Trail Races

Larkspur, CO

Saturday, May 2nd, 2026

Ultra

Trail

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Rise Against Suicide’s Emerge 5K

Boulder, CO

Sunday, May 3rd, 2026

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Longmont Half & 5k (LM Half)

Longmont, CO

Sunday, May 3rd, 2026

Half

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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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Dash & Dine 5k #2

Boulder, CO

Tuesday, May 5th, 2026

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The Great CO74 Trail Run

Kittredge, CO

Saturday, May 9th, 2026

12K

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HRCA Mother's Day 5K

Highlands Ranch, CO

Saturday, May 9th, 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

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 - Denver

Littleton, CO

Sunday, May 10th, 2026

1 Mile

10K

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

Colorado Women's Classic - Westminster

Westminster, CO

Sunday, May 10th, 2026

10K

10 Miles

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Denver Mother's Day 5K

Denver, CO

Sunday, May 10th, 2026

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Hometown Half Marathon & 5k/10k - Denver

Denver, CO

Sunday, May 10th, 2026

10K

Half

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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

Gluten Free Gallop 5K

Littleton, CO

Saturday, May 16th, 2026

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Growing Home - Colfax Fundraiser

Denver, CO

Saturday, May 16th, 2026

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Canine On the Creek

Dumont, CO

Sunday, May 17th, 2026

1 Mile

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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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AdventHealth Race to Rebuild

Lone Tree, CO

Wednesday, May 20th, 2026

1 Mile

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GMR Backyard Ultra

Golden, CO

Saturday, May 23rd, 2026

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Mile High Mile

Boulder, CO

Saturday, May 23rd, 2026

1 Mile

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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

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Global Running Day with Altra

Denver, CO

Wednesday, June 3rd, 2026

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Berthoud Day 5K

Berthoud, CO

Saturday, June 6th, 2026

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Summits Trail Runs

Granby, CO

Saturday, June 6th, 2026

1 Mile

Trail

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The Big Run Presented by Brooks

Denver, CO

Sunday, June 7th, 2026

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

Louisville, CO

Sunday, June 7th, 2026

Half

10K

Trail

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Flamingo Day 5K

Denver, CO

Sunday, June 7th, 2026

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RMRR June Trophy Series

Denver, CO

Sunday, June 7th, 2026

Fast

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All-Out Summer Breeze

Arvada, CO

Saturday, June 13th, 2026

Half

10K

Trail

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Tutu Dash 5K

Broomfield, CO

Saturday, June 13th, 2026

1 Mile

Trail

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Stepping Stone 5K

Littleton, CO

Saturday, June 13th, 2026

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Treat Trot - Denver

Thornton, CO

Saturday, June 13th, 2026

10K

15K

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Treat Trot Denver

Denver, CO

Saturday, June 13th, 2026

10K

15K

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The Bullfrog Splashdown

Littleton, CO

Sunday, June 14th, 2026

10K

1 Mile

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HRCA Happy Hour Half K

Littleton, CO

Friday, June 19th, 2026

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Unicorn 5k (North)

Thornton, CO

Saturday, June 20th, 2026

View details for race Unicorn 5k (North)

Muddy Dash | Denver 2026

Dacono, CO

Saturday, June 20th, 2026

View details for race Muddy Dash | Denver 2026

Parker Parks and Recreation

Parker, CO

Saturday, June 20th, 2026

View details for race Parker Parks and Recreation

Father's Day Classic 10k, 5k, & 1 Mile

Arvada, CO

Sunday, June 21st, 2026

10K

1 Mile

View details for race Father's Day Classic 10k, 5k, & 1 Mile

Explore more in Idaho Springs, CO

Distances:

5K 10K Half Marathon Marathon

Months:

May June July

Tags:

Trail Boston Qualifiers Fast Courses

State:

All Colorado races

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