Running Races in Colorado — 2026

There are 290 running races in Colorado in 2026 across 80 cities. The next upcoming race is the Flying Falcon Downhill Mile in USAF Academy on October 10. Popular distances include 5K races, half marathons, ultras.

Colleen De Reuck XC Classic

Sat, Oct 31 · Boulder, CO Boulder

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

From $15 Open

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Halloween 5K Fundraiser!

Sat, Oct 31 · Grand Junction, CO Grand Junction

Road 5K Run

From $0 Open

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Zombie Fun Run 5k & 1mile

Sat, Oct 31 · Idaho Springs, CO Idaho Springs

Road 1 Mile Fun RunZombie Fun Run

From $25 Open

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All-Out Kooky-Spooky

Sun, Nov 1 · Golden, CO Golden

Virtual VIRTUAL 5K5KVIRTUAL 10K +3

From $20 Open Closing Soon

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Girls on the Run Northern Colorado Fall 5K

Sun, Nov 1 · Fort Collins, CO Fort Collins

Road Girls on the Run Northern Colorado Fall 5K

From $29 Open

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Feet for Justice Run

Sun, Nov 1 · Denver, CO Denver

Road 5KVirtual Runner10K +1

From $10 Open Closing Soon

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RMRR November 5k/15k

Sun, Nov 1 · Denver, CO Denver

Road 5k15k

From $10 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

Road GENERAL/OPEN 5k (Over 22 minute finish time) 12th Edition Sole Mates 5k & Hoppy HourELITE 5k (Under 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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Turkey Trails- Denver

Sat, Nov 7 · Littleton, CO Littleton

Virtual 1 Mile5K10K +7

From $17 Open Closing Soon 5 spots left

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Excel Eagle Trot 5K/1K Family Fun Run

Sat, Nov 7 · Arvada, CO Arvada

Virtual 1K5KSleep In

From $25 Open

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Colorado 24 Hour Run

Sat, Nov 7 · Fort Collins, CO Fort Collins

Road 6 Hour12 Hour Relay6 Hour Relay +3

From $90 Open

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Break a Leg 5k

Sat, Nov 7 · Grand Junction, CO Grand Junction

Road 1k Costume Parade5k Fundraiser Run

From $30 Open

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BSBF 2- Mile Fun Run - Bell Ringer

Sat, Nov 7 · Loveland, CO Loveland

Road 2 Mile BSBF Run

From $15 Open

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Nielson Challenge

Sat, Nov 7 · Colorado Springs, CO Colorado Springs

Open

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Bell Ringer 2 Miler

Sat, Nov 7 · Loveland, CO Loveland

Virtual Virtual 2 MilerRuck DivisionBell Ringer 2 Miler

From $20 Open

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Alamosa Veterans Memorial Park Race

Sat, Nov 7 · Alamosa, CO Alamosa

Road Alamosa Veterans Memorial Park 10kAlamosa Veterans Memorial Park 5k

From $20 Open

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City Park Classic (5k/10k & 1 Mile Walk of Hope for Pancreatic Cancer Research)

Sat, Nov 7 · Denver, CO Denver

Road 1 Mile (ish) Walk of Hope (untimed)5k Run/Walk10k Run

From $16 Open

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Dragon Dash 5K Run/Walk

Sun, Nov 8 · Denver, CO Denver

Road 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

Road 4 Mile Course2.5 Mile Course

From $25 Open

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Turkey Trails - Colorado Springs

Sun, Nov 8 · Colorado Springs, CO Colorado Springs

Virtual 1 MileGirls on the Run - 5k5K +8

From $17 Open Closing Soon 5 spots left

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Colorado Springs Veterans Day 5k

Sun, Nov 8 · Colorado Springs, CO Colorado Springs

Road Kids 15 yrs and under 5kColorado Springs Veterans Day 5K

From $15 Open

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Friday The 13K - Castle Rock MEET UP

Fri, Nov 13 · Castle Rock, CO Castle Rock

Virtual 6.5 K13K

From $35 Open

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Denver Veterans Day Run

Sat, Nov 14 · Denver, CO Denver

Road 5K Run/Walk10K Run/Walk10K Rippetoe Rucksack Challenge

From $45 Open

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Leyden Rock Turkey Trot 5K

Sat, Nov 14 · Arvada, CO Arvada

Road 5K

From $10 Open

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Salute to Veterans 5K/10K/Half Marathon - Denver

Sat, Nov 14 · Aurora, CO Aurora

Virtual 5K-Mail Me My SwagVirtual 5K5K-Active Duty +12

From $0 Open

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Lone Tree Reckoning Heavy 15K and 5K

Sat, Nov 14 · Loveland, CO Loveland

Trail Heavy 15K5K

From $45 Open

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Colorado State Youth Cross Country Championships

Sat, Nov 14 · Aurora, CO Aurora

Road Girls 8 & Under (Born 2018+) - 2KM (1.24 Miles)Boys 8 & Under (Born 2018+) - 2KM (1.24 Miles)Boys 9 & 10 (Born 2016-2017) - 3K (1.86 Miles) +5

From $25.99 Open

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Run for Mental Health 5K/10K/13.1 DENVER/AURORA

Sat, Nov 14 · Centennial, CO Centennial

Virtual Family 1 Mile Fun Run5K/10K/13.1 Eco-Registration (No Shirt)Virtual Run Registration +3

From $30 Open

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Veterans Day Freedom Run 5K/10K/13.1 DENVER/AURORA

Sat, Nov 14 · Centennial, CO Centennial

Virtual Family Fun Run 1 Mile5K/10K/13.1 Eco-Registration (No Shirt)Virtual Run Registration (5K/10K/13.1) +3

From $30 Open

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Salute to Veterans 5K/10K/Half Marathon - Colorado Springs

Sun, Nov 15 · Colorado Springs, CO Colorado Springs

Virtual 5K-Active Duty5K5K-Mail Me My Swag +12

From $0 Open

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The Wash Park Circuit, Powered by New Balance

Sun, Nov 15 · Denver, CO Denver

Road 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

Road Running Buddy for Girls on the Run Denver Metro 5KGirls on the Run Denver Metro 5K

From $19 Open 85 spots left

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285 Turkey Trot - 2026

Sat, Nov 21 · Bailey, CO Bailey

Virtual 1k Kids Walk/ Run (11 & under)5k Run/ Walk5k "Short Course" Pack Burro Division +3

From $30 Open Closing Soon

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Chase the Glow

Sat, Nov 21 · Estes Park, CO Estes Park

Road 1 Mile4 Mile

From $35 Open

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Pumpkin Pie 5K/10K

Sat, Nov 21 · Denver, CO Denver

Road 5KVirtual Race10K

From $30 Open Closing Soon

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TURKEY TREK (13.1, 10k, 5k & 2k)

Sat, Nov 21 · Arvada, CO Arvada

Road 2k Turkey Toddle (un-timed)5k Turkey Trot10k Turkey Trek +1

From $26 Open

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

Thu, Nov 26 · Parker, CO Parker

Road 5K

From $38 Open

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Fitness Avenue Turkey Trot 5K

Thu, Nov 26 · Johnstown, CO Johnstown

Road Fitness Avenue 1K Kids Turkey TrotFitness Avenue Turkey Trot 5K

From $20 Open

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YMCA Turkey Trot 5K presented by Corwin Honda

Thu, Nov 26 · Colorado Springs, CO Colorado Springs

Road Turkey Trot 5K

From $45 Open Closing Soon

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Grand Junction Fire Fighters Foundation GJ Turkey Trot

Thu, Nov 26 · Grand Junction, CO Grand Junction

Road 5K GJ Turkey Trot

From $30 Open

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Montrose Turkey Trot

Thu, Nov 26 · Montrose, CO Montrose

Road 2 Mile Run / Walk4.2 Mile Run / Walk

From $13 Open

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TurCreek Trot 5K

Thu, Nov 26 · Greenwood Village, CO Greenwood Village

Road 5K

From $27 Open

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Fort Collins Thanksgiving Day Run

Thu, Nov 26 · Fort Collins, CO Fort Collins

Road Adult 4 MileYouth 4 Mile

From $25 Open

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Pelican Lakes Turkey Trot

Thu, Nov 26 · Windsor, CO Windsor

Road 5k run5K walk

From $30 Open

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Gobble Wobble Run 2026

Thu, Nov 26 · Littleton, CO Littleton

Road Gobble Wobble 5K Certified Course at Clement Park

From $35 Open

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The Pilgrimage Run 2026

Thu, Nov 26 · Erie, CO Erie

Road 2 Mile Run / Walk4 Mile Run (Chip Timed)4 Mile Run +1

From $25 Open

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Buena Vista Turkey Trot 5K & Family Fun Run

Thu, Nov 26 · Buena Vista, CO Buena Vista

Road Buena Vista Turkey Trot 5K

From $35 Open

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Alpine Bank Boulder Thanksgiving Day 5K

Thu, Nov 26 · Boulder, CO Boulder

Road 5KKids 800M

From $15 Open

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2026 Loveland Turkey Trot

Thu, Nov 26 · Loveland, CO Loveland

Road Loveland Turkey Trot - 4 & Under Lil' TatersLoveland Turkey Trot

From $5 Open Closing Soon

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The Great Turkey Chase

Thu, Nov 26 · Golden, CO Golden

Road The Great Turkey ChaseThe Great Turkey Chase ChildThe Great Turkey Chase with Pumpkin Pie +1

From $15 Open 75 spots left

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