5K Races in Colorado — 2026

There are 100 5K races in Colorado scheduled for 2026. The next is the Flying Falcon Downhill Mile in USAF Academy on October 10. Colorado 5K races run primarily October.

Flying Falcon Downhill Mile

Sat, Oct 10 · USAF Academy, CO USAF Academy

Downhill Mile

From $20 Closed

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Kipling Villas 5K - 2026

Sat, Oct 10 · Littleton, CO Littleton

5K Run

From $15 Open Closing Soon

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ASDAsh 5K to Beat Tooth Decay

Sat, Oct 10 · Aurora, CO Aurora

ASDAsh 5K to Beat Tooth Decay

From $30 Open Closing Soon

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Footsteps for Families 5k Fun Run & Concert

Sat, Oct 10 · Windsor, CO Windsor

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

From $20 Open Closing Soon

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Boulder XC Series Meet 1

Sat, Oct 10 · Boulder, CO Boulder

1K XC - 10 Years & Under3K XC - 16 Years & Under5K XC - Open

From $10 Open Closing Soon

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Chicken Creek Challenge

Sat, Oct 10 · Mancos, CO Mancos

MS Girls - Chicken Creek ChallengeJV Boys - Chicken Creek ChallengeJV Girls - Chicken Creek Challenge +3

From $0 Closed

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Dialysis Dash 5K- Canceled

Sat, Oct 10 · Grand Junction, CO Grand Junction

5K Dialysis Dash Run

From $20 Open Closing Soon

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Manitou 5K

Sat, Oct 10 · Manitou Springs, CO Manitou Springs

Manitou 5KManitou 5K 18 and under

From $25 Open Closing Soon

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Lions Roar for Fitness 5k/2.5k Challenge

Sat, Oct 10 · Pueblo, CO Pueblo

2.5k Challenge5k Challenge

From $30 Closed

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EDT XC Showdown

Sun, Oct 11 · Aurora, CO Aurora

8&U Boys/Girls 2k9/10 Boys/Girls 3k11/12 Boys/Girls 3k +2

From $25 Open Closing Soon

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Kitty Beanz Cat 5k

Sun, Oct 11 · Aurora, CO Aurora

Kitty Beanz Cat 5k

From $35 Open Closing Soon

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Eric Wolff Invitational

Fri, Oct 16 · Monte Vista, CO Monte Vista

MS Girls - Eric Wolff InvitationalMS Boys - Eric Wolff InvitationalHS Boys - Eric Wolff Invitational +1

From $25 Closed

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Living Water 5K and Family Fun Walk/Jog

Sat, Oct 17 · Denver, CO Denver

Living Water 1 Mile Fun Walk / JogLiving Water 5k Run / Walk

From $20 Open Closing Soon

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Longmonster Dash 5k

Sat, Oct 17 · Longmont, CO Longmont

Longmonster Dash 5k

From $40 Open Closing Soon

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The Great Pumpkin Haul

Sat, Oct 17 · Fruita, CO Fruita

Charity entrySolo hauler entryKids 4 and under- FREE! +2

From $0 Open Closing Soon

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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 Open Closing Soon

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Colorado 2A Region 4

Fri, Oct 23 · Mancos, CO Mancos

High School GirlsHigh School Boys

From $0 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 Closing Soon

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YMCA Creepy Crawl 5K presented by Corwin Honda

Sat, Oct 24 · Palmer Lake, CO Palmer Lake

Creepy Crawl 5K

From $40 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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Apex Foundation Trick or Trot 5K & Halloween Hunt Powered by REP Fitness

Sat, Oct 24 · Arvada, CO Arvada

Kids' 1-mile Halloween Hunt powered by REP FitnessTrick or Trot VIRTUAL 5K powered by REP FitnessTrick or Trot 5K powered by REP Fitness

From $10 Open

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Hoofin' It Through the Hollows 5K

Sat, Oct 24 · Centennial, CO Centennial

5K

From $15 Open Closing Soon

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YMCA of Pueblo Race Series

Sat, Oct 24 · Pueblo, CO Pueblo

YMCA of Pueblo Race Series

From $80 Closed

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Ghosts and Goblins 5K/10K

Sun, Oct 25 · Denver, CO Denver

5KVirtual Race10K

From $30 Open Closing Soon

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Turkey Trot

Sat, Oct 31 · Center, CO Center

2026 Turkey Trot Virtual2027 Turkey TrotPie Eating Contest!

From $5 Open

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Colleen De Reuck XC Classic

Sat, Oct 31 · Boulder, CO Boulder

1K XC - 10 Years & Under3K XC - 16 Years & Under5K XC - Open

From $15 Open

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I Ain't Scared (of 5k)

Sat, Oct 31 · Thornton, CO Thornton

5k

From $29 Open Closing Soon

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Halloween Fun 5k

Sat, Oct 31 · Steamboat Springs, CO Steamboat Springs

Fun 5K

From $25.75 Open

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Halloween 5K Fundraiser!

Sat, Oct 31 · Grand Junction, CO Grand Junction

5K Run

From $0 Open

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Zombie Fun Run 5k & 1mile

Sat, Oct 31 · Idaho Springs, CO Idaho Springs

1 Mile Fun RunZombie Fun Run

From $25 Open

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Girls on the Run Northern Colorado Fall 5K

Sun, Nov 1 · Fort Collins, CO Fort Collins

Girls on the Run Northern Colorado Fall 5K

From $29 Open

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12th edition Sole Mates 5k & Brew Fest presented by Shoes & Brews and Left Hand Brewing

Sat, Nov 7 · Longmont, CO Longmont

ELITE 5k (Under 22 minute finish time) 12th edition Sole Mates 5k & Hoppy HourGENERAL/OPEN 5k (Over 22 minute finish time) 12th Edition Sole Mates 5k & Hoppy HourBREW FEST DRINK PARTICIPANT ONLY

From $40 Open 100 spots left

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Bell Ringer 2 Miler

Sat, Nov 7 · Loveland, CO Loveland

Virtual 2 MilerBell Ringer 2 MilerRuck Division

From $20 Open

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Excel Eagle Trot 5K/1K Family Fun Run

Sat, Nov 7 · Arvada, CO Arvada

1K5KSleep In

From $25 Open

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BSBF 2- Mile Fun Run - Bell Ringer

Sat, Nov 7 · Loveland, CO Loveland

2 Mile BSBF Run

From $15 Open

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Break a Leg 5k

Sat, Nov 7 · Grand Junction, CO Grand Junction

1k Costume Parade5k Fundraiser Run

From $30 Open

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Dragon Dash 5K Run/Walk

Sun, Nov 8 · Denver, CO Denver

Dragon Dash 5K Run/Walk

From $30 Open

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Canya Cañon Trail Race & Hike

Sun, Nov 8 · Colorado Springs, CO Colorado Springs

4 Mile Course2.5 Mile Course

From $25 Open

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Colorado Springs Veterans Day 5k

Sun, Nov 8 · Colorado Springs, CO Colorado Springs

Colorado Springs Veterans Day 5KKids 15 yrs and under 5k

From $15 Open

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Colorado State Youth Cross Country Championships

Sat, Nov 14 · Aurora, CO Aurora

Boys 8 & Under (Born 2018+) - 2KM (1.24 Miles)Girls 8 & Under (Born 2018+) - 2KM (1.24 Miles)Boys 11 & 12 (Born 2014-2015) - 3K (1.86 Miles) +5

From $25.99 Open

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Leyden Rock Turkey Trot 5K

Sat, Nov 14 · Arvada, CO Arvada

5K

From $10 Open

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The Wash Park Circuit, Powered by New Balance

Sun, Nov 15 · Denver, CO Denver

Kids Quarter Mile (ages 10 and under)Wash Park Circuit, Powered by New Balance

From $0 Open

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Girls on the Run Denver Metro 5K

Sun, Nov 15 · Denver, CO Denver

Girls on the Run Denver Metro 5KRunning Buddy for Girls on the Run Denver Metro 5K

From $19 Open 85 spots left

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Chase the Glow

Sat, Nov 21 · Estes Park, CO Estes Park

1 Mile4 Mile

From $35 Open

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Durango Turkey Trot presented by Animas Surgical Hospital

Thu, Nov 26 · Durango, CO Durango

Durango Turkey Trot -- 5 Mile Race

From $27 Closed

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YMCA of Pueblo Turkey Trot

Thu, Nov 26 · Pueblo, CO Pueblo

YMCA of Pueblo Turkey Trot

From $30 Closed

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Parker Parks and Recreation Turkey Day 5K FUN Run/Walk

Thu, Nov 26 · Parker, CO Parker

5K

From $38 Open

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The Great Turkey Chase

Thu, Nov 26 · Golden, CO Golden

The Great Turkey ChaseThe Great Turkey Chase with Pumpkin PieThe Great Turkey Chase Child +1

From $15 Open 75 spots left

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Gobble Wobble Run 2026

Thu, Nov 26 · Littleton, CO Littleton

Gobble Wobble 5K Certified Course at Clement Park

From $35 Open

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2026 Loveland Turkey Trot

Thu, Nov 26 · Loveland, CO Loveland

Loveland Turkey TrotLoveland Turkey Trot - 4 & Under Lil' Taters

From $5 Open Closing Soon

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