Upcoming Races Near Johnstown, CO

Name: Red, White and Brew 5k, 10k & Half Marathon
Start: 2026-06-20
End: 2026-06-20
Location: Windsor

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

CollaBEERation 5k & Brew Fest Party

Longmont, CO

Saturday, May 2nd, 2026

View details for race CollaBEERation 5k & Brew Fest Party

FireKracker 5K Training

Fort Collins, CO

Saturday, May 2nd, 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

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RMRR May Trophy Series

Denver, CO

Sunday, May 3rd, 2026

Fast

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Rise Against Suicide’s Emerge 5K

Boulder, CO

Sunday, May 3rd, 2026

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Frank Shorter Track Classic

Longmont, CO

Sunday, May 3rd, 2026

1 Mile

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The Colorado Marathon

Fort Collins, CO

Sunday, May 3rd, 2026

Marathon

Half

10K

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Dash & Dine 5k #2

Boulder, CO

Tuesday, May 5th, 2026

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Quad Rock 25 & 50 Mile Trail Races

Bellvue, CO

Saturday, May 9th, 2026

Ultra

Trail

View details for race Quad Rock 25 & 50 Mile Trail Races

Run For The Trees - 2 Mile Fun Run

Loveland, CO

Saturday, May 9th, 2026

View details for race Run For The Trees - 2 Mile Fun Run

Run for the Trees - BSBF 2-Mile Run

Loveland, CO

Saturday, May 9th, 2026

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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

10th Annual Fort Collin's Mother's Day 5K

Fort Collins, CO

Saturday, May 9th, 2026

View details for race 10th Annual Fort Collin's Mother's Day 5K

Hometown Half Marathon & 5k/10k - Denver

Denver, CO

Sunday, May 10th, 2026

10K

Half

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Denver Mother's Day 5K

Denver, CO

Sunday, May 10th, 2026

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Colorado Women's Classic - Westminster

Westminster, CO

Sunday, May 10th, 2026

10K

10 Miles

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Know. Grow. GO RUN. 5K

Loveland, CO

Friday, May 15th, 2026

Trail

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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

Growing Home - Colfax Fundraiser

Denver, CO

Saturday, May 16th, 2026

View details for race Growing Home - Colfax Fundraiser

Healing Warriors Program 2026 Annual 5K Fun Run

Fort Collins, CO

Sunday, May 17th, 2026

View details for race Healing Warriors Program 2026 Annual 5K Fun Run

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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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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Weld Your Mettle Running Festival

Eaton, CO

Saturday, May 30th, 2026

Ultra

Marathon

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Dash4Hope 2026

Greeley, CO

Saturday, May 30th, 2026

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DRMABPsi 1–5K Walk, Run & Roll

Denver, CO

Saturday, May 30th, 2026

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Berthoud Day 5K

Berthoud, CO

Saturday, June 6th, 2026

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StepUp For Women And Recovery

Fort Collins, CO

Saturday, June 6th, 2026

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J-Town Jog 5K and Kids 1 Mile Dash

Johnstown, CO

Saturday, June 6th, 2026

1 Mile

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Crazy Legs 10k+ Trail Run

Loveland, CO

Sunday, June 7th, 2026

10K

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The Big Run Presented by Brooks

Denver, CO

Sunday, June 7th, 2026

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

Louisville, CO

Sunday, June 7th, 2026

Half

10K

Trail

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Treat Trot Denver

Denver, CO

Saturday, June 13th, 2026

10K

15K

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All-Out Summer Breeze

Arvada, CO

Saturday, June 13th, 2026

Half

10K

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Guardian Games

Loveland, CO

Saturday, June 13th, 2026

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Treat Trot Denver

Thornton, CO

Saturday, June 13th, 2026

10K

15K

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Tutu Dash 5K

Broomfield, CO

Saturday, June 13th, 2026

1 Mile

Trail

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Sierra's 5K Run/Walk Race Against Meningitis

Loveland, CO

Saturday, June 20th, 2026

View details for race Sierra's 5K Run/Walk Race Against Meningitis

Muddy Dash | Denver 2026

Dacono, CO

Saturday, June 20th, 2026

View details for race Muddy Dash | Denver 2026

Unicorn 5k (North)

Thornton, CO

Saturday, June 20th, 2026

View details for race Unicorn 5k (North)

Red, White and Brew 5k, 10k & Half Marathon

Windsor, CO

Saturday, June 20th, 2026

10K

Half

View details for race Red, White and Brew 5k, 10k & Half Marathon

Explore more in Johnstown, 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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