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5k Runs Found In Colorado in Summer

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5k Runs in Colorado in Summer 2026

Find A Race is the US's favourite event listings site. Check out our list of Summer 2026 5k Runs in Colorado below.

Race Calendar: 5k Runs Found In Summer

πŸš€Boosted

Treat Trot Colorado Springs

Colorado Springs, Colorado
Sun 14 Jun 26
$20.83 - $46.28
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Pioneer Prairie Dog Half, 10k & 5k

Westminster, Colorado
Sun 23 Aug 26
$35.00 - $75.00
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2026 Suicide Prevention Color Walk/Run

Center, Colorado
Tue 30 Sep 25 - Mon 28 Sep 26
$27.50

Colorado Springs Marathon, Half, 5K, and Kids K

Colorado Springs, Colorado
Sat 04 Oct 25 - Sat 03 Oct 26
Free - $535.35

Flamingo Day 5K

Denver, Colorado
Sun 07 Jun 26
$34.40

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

Louisville, Colorado
Sun 07 Jun 26
$35.00 - $65.00

Treat Trot Denver

Denver, Colorado
Sat 13 Jun 26
$20.83 - $62.28

All-Out Summer Breeze

Arvada, Colorado
Sat 13 Jun 26
$27.50 - $64.60

Treat Trot Colorado Springs

Colorado Springs, Colorado
Sun 14 Jun 26
$20.83 - $46.28

Red, White and Brew 5k, 10k, Half Marathon & 12 Hour Last Person Standing

Windsor, Colorado
Sat 20 Jun 26
$16.90 - $122.90

Unicorn 5k (North)

Thornton, Colorado
Sat 20 Jun 26
$16.00 - $36.00

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

Arvada, Colorado
Sun 21 Jun 26
$11.00 - $39.00

Greeley Freedom 5k Walk & Run

Greeley, Colorado
Sat 04 Jul 26
$32.80

Let Freedom Run 5k - LONGMONT

Longmont, Colorado
Sat 04 Jul 26
Free - $35.00

Pueblo's Firecracker 5k!

Pueblo, Colorado
Sat 04 Jul 26
$21.14

Let Freedom Run 5k/10k - Louisville

Louisville, Colorado
Sat 04 Jul 26
Free - $40.00

All-Out Dog Days

Westminster, Colorado
Sat 11 Jul 26
$27.50 - $64.60

Cookie Chase

Denver, Colorado
Sat 11 Jul 26
$34.40

Heatwave Half Marathon - Denver

Denver, Colorado
Sat 11 Jul 26
$20.98 - $62.28

Heatwave Half Marathon - Colorado Springs

Colorado Springs, Colorado
Sun 12 Jul 26
$20.98 - $46.31

Summer Splash Prairie Dog Half, 10k, & 5k

Castle Rock, Colorado
Sat 18 Jul 26
$35.00 - $75.00
4.0

Spirit of the West 5K Run/Walk

Golden, Colorado
Sun 26 Jul 26
Free - $30.00

Unicorn 5k (South)

Highlands Ranch, Colorado
Sat 01 Aug 26
$16.50 - $35.00

All-Out Runapalooza

Arvada, Colorado
Sat 08 Aug 26
$27.50 - $64.60

Summer Sizzler- Denver

Denver, Colorado
Sat 08 Aug 26
$20.83 - $46.28

Summer Sizzler- Colorado Springs

Colorado Springs, Colorado
Sun 09 Aug 26
$20.83 - $46.28

Erie Half & 5k

Erie, Colorado
Sun 16 Aug 26
$33.50 - $59.30

Ram Run

Denver, Colorado
Sat 22 Aug 26
$11.85 - $33.05

Pioneer Prairie Dog Half, 10k & 5k

Westminster, Colorado
Sun 23 Aug 26
$35.00 - $75.00

J-Town Jog 5K and Youth Mile

Johnstown, Colorado
Sat 06 Jun 26
$22.20 - $32.80

Aiden's Adventure 5k

Colorado Springs, Colorado
Sat 06 Jun 26
$22.20 - $45.52

RexRun For PAWSitivity 2026 Trail Run/Walk

Aurora, Colorado
Sat 29 Aug 26
$22.45 - $54.25
Showing 1-30 of 30 results