Running Races in Colorado — 2026

There are 298 running races in Colorado in 2026 across 90 cities. The next upcoming race is the Raising the Barr in Brighton on September 5. Popular distances include 5K races, half marathons, trail runs.

I Ain't Scared (of 5k)

Sat, Oct 31 · Thornton, CO Thornton

Road 5k

From $29 Open

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Spooky Sprint - Colorado Springs

Sat, Oct 31 · Colorado Springs, CO Colorado Springs

Virtual 5k10K1 Mile +4

From $17 Open Closing Soon 5 spots left

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Halloween Fun 5k

Sat, Oct 31 · Steamboat Springs, CO Steamboat Springs

Road Fun 5K

From $25.75 Open

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Halloween Trick or Trot Run 5K/10K/13.1 DENVER/AURORA

Sat, Oct 31 · Centennial, CO Centennial

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

From $30 Open

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PB&J Fuel Run 5K/10K/13.1 DENVER/AURORA

Sat, Oct 31 · Centennial, CO Centennial

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

From $30 Open

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Halloween Fun Run 5k & 1mile - Zombie Theme

Sat, Oct 31 · Idaho Springs, CO Idaho Springs

Road 1 Mile Fun RunZombie Fun Run

From $25 Open

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RMRR November 5k/15k

Sun, Nov 1 · Denver, CO Denver

Road 5k15k

From $10 Open

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All-Out Kooky-Spooky

Sun, Nov 1 · Golden, CO Golden

Virtual 5KVIRTUAL 5K10K +3

From $20 Open

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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 Virtual Runner5K10K +1

From $10 Open

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HRCA Backcountry Wilderness Half Marathon

Sat, Nov 7 · Lone Tree, CO Lone Tree

Trail Half Marathon

From $65 Open

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Turkey Trails- Denver

Sat, Nov 7 · Littleton, CO Littleton

Virtual 1 Mile5K10K +4

From $17 Open Closing Soon 5 spots left

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Colorado 24 Hour Run

Sat, Nov 7 · Fort Collins, CO Fort Collins

Road 12 Hour Relay6 Hour Relay12 Hour +3

From $90 Open

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Bell Ringer 2 Miler

Sat, Nov 7 · Loveland, CO Loveland

Virtual Bell Ringer 2 MilerVirtual 2 MilerRuck Division

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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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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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 Closing Soon

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Turkey Trails - Colorado Springs

Sun, Nov 8 · Colorado Springs, CO Colorado Springs

Virtual 1 Mile5k10k +4

From $17 Open Closing Soon 5 spots left

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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 Registration5K/10K/13.1 Eco-Registration (No Shirt) +3

From $30 Open

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Denver Veterans Day Run

Sat, Nov 14 · Denver, CO Denver

Road 5K Run/Walk10K Rippetoe Rucksack Challenge10K Run/Walk

From $45 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 Registration5K/10K/13.1 Eco-Registration (No Shirt) +3

From $30 Open

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Colorado State Youth Cross Country Championships

Sat, Nov 14 · Aurora, CO Aurora

Road Boys 8 & Under (Born 2018+) - 2KM (1.24 Miles)Girls 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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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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Pumpkin Pie 5K/10K

Sat, Nov 21 · Denver, CO Denver

Road 5KVirtual Race10K

From $30 Open

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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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AdventHealth Avista Louisville Turkey Trot

Thu, Nov 26 · Louisville, CO Louisville

Road AdventHealth Avista Louisville Turkey Trot 2026

From $20 Open

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Broomfield Turkey Day 5K/10K

Thu, Nov 26 · Broomfield, CO Broomfield

Road 5k10kKids Fun Run (Approx 1/2 Mile) UNTIMED

From $17 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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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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YMCA Turkey Trot 5K presented by Corwin Honda

Thu, Nov 26 · Colorado Springs, CO Colorado Springs

Road Turkey Trot 5K

From $45 Open

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Huffin' for Stuffin' 2-Mile Fun Run

Thu, Nov 26 · Loveland, CO Loveland

Virtual Virtual 2-Mile Fun Run2 Mile Fun Run

From $20 Open 5 spots left

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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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The Pilgrimage Run 2026

Thu, Nov 26 · Erie, CO Erie

Road 2 Mile Run / Walk4 Mile Run4 Mile Run (Chip Timed) +1

From $25 Open Closing Soon

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Pelican Lakes Turkey Trot

Thu, Nov 26 · Windsor, CO Windsor

Road 5K walk5k run

From $30 Open

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NCMC Turkey Trot

Thu, Nov 26 · Greeley, CO Greeley

Road 2026 NCMC Turkey Trot 2K2026 NCMC Turkey Trot 5K

From $30 Open

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

Sat, Nov 28 · 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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Thanksgiving Gobble Trot Run 5K/10K/13.1 DENVER/AURORA

Sat, Nov 28 · Centennial, CO Centennial

Virtual Family Fun Run 1 MileVirtual Run Registration (5K/10K/13.1)5K Registration +3

From $30 Open

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Chasing Santa 5k/Cycling Santa Toy Drive Presented by: Springs Law Group

Sat, Dec 5 · Colorado Springs, CO Colorado Springs

Road Chasing Santa 5k KIDS 15 yrs and underToddlers Chasing SantaAdult Chasing Santa 5k +5

From $0 Open

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Candy Cane Course - Colorado Springs

Sat, Dec 5 · Colorado Springs, CO Colorado Springs

Virtual 1 Mile5K10K +4

From $22 Open Closing Soon 5 spots left

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Toy Drop

Sat, Dec 5 · Loveland, CO Loveland

Virtual Virtual 5K15K5K +3

From $30 Open

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Onesie Dash

Sat, Dec 5 · Red Feather Lakes, CO Red Feather Lakes

Road Onesie Dash

From $35 Open

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All-Out Fa La La

Sat, Dec 5 · Westminster, CO Westminster

Virtual VIRTUAL 5K5K10K +3

From $20 Open Closing Soon

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RMRR December 4.5mi

Sun, Dec 6 · Denver, CO Denver

Road 4.5 mi

From $10 Open

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Rock Canyon Half Marathon- 40th Anniversary Run!

Sun, Dec 6 · Pueblo, CO Pueblo

Road Mini Rock Canyon 5k1/2 marathon

From $35 Open Closing Soon

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Candy Cane Course - Denver

Sun, Dec 6 · Westminster, CO Westminster

Virtual 1 Mile5k10k +4

From $22 Open 5 spots left

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Sunrise Marathon 5K/10K/13.1 DENVER/AURORA

Sat, Dec 12 · Centennial, CO Centennial

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

From $30 Open

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Santa Catch 5k & 10k

Sat, Dec 12 · Windsor, CO Windsor

Road 1 Mile Kids Fun RunSanta Catch 5KSanta Catch 10k

From $15 Open

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Run for Breast Cancer 5K/10K/13.1 DENVER/AURORA

Sat, Dec 12 · 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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WinterFest 5k & Fun Run

Sat, Dec 12 · Thornton, CO Thornton

Road 5k Run/Walk -TIMED and ScoredFun Run/Walk (Untimed, approx .75 miles)

From $12 Open

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