5K Races in Colorado — 2026

There are 272 5K races in Colorado scheduled for 2026. The next is the HRCA Happy Hour Half K in Littleton on June 19. Colorado 5K races run primarily June.

Beulah Challenge and OverIt Series

Sat, Sep 19 · Beulah, CO Beulah

5K - Age 17 & Under5K10K +3

From $20 Open

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Battle by the Brook

Sat, Sep 19 · Deckers, CO Deckers

Family RaceCompetitive Race

From $89 Open 75 spots left

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Chile & Frijole Hot to Trot 5K/10K

Sun, Sep 20 · Pueblo, CO Pueblo

5K Run10K Run

From $35 Closed

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Chile & Frijole Hot to Trot 5K & 10K

Sun, Sep 20 · Pueblo, CO Pueblo

5K Run10K Run

From $35 Open

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7th ANNUAL PAUL'S MYSTERY SHIP WALK TO END ALS

Sun, Sep 20 · Castle Rock, CO Castle Rock

7th ANNUAL PAUL'S MYSTERY SHIP WALK TO END ALS

From $45 Open

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20th Annual Golden Gallop

Sun, Sep 20 · Golden, CO Golden

5K10K20K Challenge - ONLY 10K completed on race day, remaining 10K done virtually +2

From $25 Open

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Farmers 5000

Sun, Sep 20 · Wheat Ridge, CO Wheat Ridge

Adult 5K RegistrationAlumni 5K RegistrationHigh School Student and Staff 5K Registration. T-shirt included in registration. +4

From $10 Open

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Fall Equinox

Sun, Sep 20 · Fort Collins, CO Fort Collins

5 MileVirtual 5 MileHalf Marathon +1

From $50 Open

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Boggy Draw Bear Chase

Fri, Sep 25 · Dolores, CO Dolores

Bear Chase MS GirlsBear Chase MS BoysBear Chase HS Boys +1

Closed

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McGinn Memorial Cross Country Challenge

Sat, Sep 26 · Pagosa Springs, CO Pagosa Springs

MS Girls - Pagosa Springs Cross Country ChallengeMS Boys - Pagosa Springs Cross Country ChallengeHS Girls - Pagosa Springs Cross Country Challenge +1

From $0 Closed

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NIGHT NATION RUN - DENVER

Sat, Sep 26 · Commerce City, CO Commerce City

VIP REGISTRATIONSTANDARD REGISTRATIONPREMIUM REGISTRATION

From $35 Open

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Oktoberfest Run 5K/10K/13.1 DENVER/AURORA

Sat, Sep 26 · Centennial, CO Centennial

Family 1 Mile Fun RunVirtual Run Registration5K/10K/13.1 Eco-Registration (No Shirt) +3

From $30 Open

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Run For Your Flapjacks 5K

Sat, Sep 26 · Oak Creek, CO Oak Creek

Run For Your Flapjacks 5K

From $20 Open

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HRCA Oktoberfest 5K

Sat, Sep 26 · Littleton, CO Littleton

5K Run/Walk

From $40 Open

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Mesa County Search & Rescue 5K

Sat, Sep 26 · Fruita, CO Fruita

MCSAR 5K

From $25 Closed

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Runway 5K - Run for the Angels

Sat, Sep 26 · Broomfield, CO Broomfield

In-Person Runway 5K - Run or Walk - September 26Virtual Runway 5K - Run, Walk, Fly | September 26 - October 4

From $25 Open

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Run for Donuts 5K/10K/13.1 DENVER/AURORA

Sat, Sep 26 · Centennial, CO Centennial

Family Fun Run 1 Mile5K Registration5K/10K/13.1 Eco-Registration (No Shirt) +3

From $30 Open

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Parker Parks and Recreation So Long to Summer 5K/10K

Sat, Sep 26 · Parker, CO Parker

5K10K

From $40 Open

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14er Fest 14K & 5K

Sun, Sep 27 · Buena Vista, CO Buena Vista

5K14K

From $35 Open

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Running for Children's Rights to Both Parents - 9 of 50 Half Marathons in 50 States - Colorado

Sun, Sep 27 · Boulder, CO Boulder

5K (Virtual)10K (Virtual)1/2 Marathon (Virtual) +1

From $40 Open

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Colorado Coyotes Youth XC Invitational

Sun, Sep 27 · Cenennial, CO Cenennial

Ages 8 & Under (born 2017+) - 2Km (1.24 miles)Ages 11&12 - (born 2013-2014) - 3Km (1.86 miles)Ages 9 &10 (born 2015-2014) - 3Km (1.86 miles) +1

From $30 Open

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Joy & Justice 5k

Sun, Sep 27 · Timnath, CO Timnath

Kids 1 mile Fun Run (12 & Under)Virtual 5kJoy & Justice 5k Walk +1

From $15 Open

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Water For People World Water Classic

Fri, Oct 2 · Anywhere, CO Anywhere

Virtual 6kVirtual 60k BikeGet Creative

From $35 Closed

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Lafayette Music Fest -5K - 10K

Sat, Oct 3 · Lafayette, CO Lafayette

5K10K

From $40 Open

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Homecoming 5K - Colorado State University

Sat, Oct 3 · Fort Collins, CO Fort Collins

5K CSU Student5K CSU AlumniHomecoming 5K +2

From $25 Open

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PRA Miner Gold Rush

Sat, Oct 3 · Broomfield, CO Broomfield

1 Mile Fun Run + Fall Festival5K Run + Fall FestivalFall Festival Only

From $15 Closed

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Big Waves Family 5K run/walk Presented by Brumate

Sat, Oct 3 · Westminster, CO Westminster

Big Waves Family 5k

From $40 Closed

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

Sat, Oct 3 · Colorado Springs, CO Colorado Springs

Kids KVirtual Kids K2027 Colorado Springs 5K +16

From $0 Open 20 spots left

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Emerald Mountain Trail Run

Sat, Oct 3 · Steamboat Springs, CO Steamboat Springs

4 Mile12k

From $25.75 Open

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Spooky Sprint - Denver

Sat, Oct 3 · Littleton, CO Littleton

1 Mile5K10K +4

From $20 Open Closing Soon 5 spots left

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Rim to Rim Royal Gorge Races: 5K Road Run, Trail 8 Mile, Trail Half Marathon

Sat, Oct 3 · Canon City, CO Canon City

5K Road RunVIRTUAL 5k Run/Walk8 Mile Trail Run +3

From $40 Open

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RMRR October 5k/8mi

Sun, Oct 4 · Aurora, CO Aurora

5k8mi

From $10 Open

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Windsor Marathon, Half Marathon, 10k, 5k & 1 Mile Run

Sun, Oct 4 · Windsor, CO Windsor

1 Mile Fit & Fun Run5K10K +2

From $20 Open

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Manitou 5K

Sat, Oct 10 · Manitou Springs, CO Manitou Springs

Manitou 5KManitou 5K 18 and under

From $25 Closed

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The Long View Marathon

Sat, Oct 10 · Fort Collins, CO Fort Collins

The Long View 5kThe Long View Half MarathonThe Long View Marathon

From $35 Open

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Coffee Lovers Run 5K/10K/13.1 DENVER/AURORA

Sat, Oct 10 · Centennial, CO Centennial

Family Fun Run 1 MileVirtual Run Registration (5K/10K/13.1)5K/10K/13.1 Eco-Registration (No Shirt) +3

From $30 Open

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Breckenridge RunFest

Sat, Oct 10 · Breckenridge, CO Breckenridge

Kids & Family Mile5K10K +2

From $25 Open

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Footsteps for Families 5k Fun Run & Concert

Sat, Oct 10 · Windsor, CO Windsor

Footsteps for Families 5k Fun Run-VIRTUAL EVENTFootsteps for Families 5k Fun Run- 12 and Under Youth RegistrationFootsteps for Families 5k Fun Run and Concert

From $25 Open

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Bagel Run 5K/10K/13.1 DENVER/AURORA

Sat, Oct 10 · Centennial, CO Centennial

Family 1 Mile Fun Run5K RegistrationVirtual Run Registration +3

From $30 Open

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Dialysis Dash 5K

Sat, Oct 10 · Grand Junction, CO Grand Junction

5K Dialysis Dash Run

From $20 Open Closing Soon

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Westy Half & 5k

Sun, Oct 11 · Westminster, CO Westminster

5kHalf Marathon

From $30 Open

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The Great Trailhead Foot Race 5 & 10 Miler

Sat, Oct 17 · Lakewood, CO Lakewood

5 Miler10 Mile

From $55 Open

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Living Water 5K and Family Fun Run

Sat, Oct 17 · Denver, CO Denver

5K and Family Fun Run

From $30 Open

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Halloween Hustle for Charity

Sun, Oct 18 · Glenwood Springs, CO Glenwood Springs

1.5K TRICK-OR-TREAT FUN RUN/WALK5.5K FUN RUN/WALK

From $30 Closed

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Race to Cure Sarcoma Denver

Sat, Oct 24 · Denver, CO Denver

5K Run or 1 Mile Walk (Untimed) - Adult5K Run or 1 Mile Walk (Untimed) - Child (Ages 6-12)5K Run (Timed) - Adult +3

From $10 Open

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YMCA of Pueblo Spooky Sprint 5K

Sat, Oct 24 · Pueblo, CO Pueblo

YMCA of Pueblo Spooky Sprint 5K

From $30 Closed

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Mancos Cowboy Half Marathon, 5K, and Fun Run

Sat, Oct 24 · Mancos, CO Mancos

Mancos 5KMancos Cowboy Half Marathon

From $25 Open Closing Soon

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Apex Foundation Trick or Trot 5K & Halloween Hunt

Sat, Oct 24 · Arvada, CO Arvada

Kids' 1-mile Halloween HuntTrick or Trot 5KTrick or Trot VIRTUAL 5K

From $10 Open

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Ghosts and Goblins 5K/10K

Sun, Oct 25 · Denver, CO Denver

Virtual Race5K10K

From $30 Open

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Foundry Halloween 5k

Sat, Oct 31 · Steamboat Springs, CO Steamboat Springs

Foundry 5K

From $25.75 Open

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