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.

Foundry Halloween 5k

Sat, Oct 31 · Steamboat Springs, CO Steamboat Springs

Foundry 5K

From $25.75 Open

Register →

Spooky Sprint - Colorado Springs

Sat, Oct 31 · Colorado Springs, CO Colorado Springs

5k10KVolunteer then Run +4

From $17 Open 5 spots left

Register →

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

Sat, Oct 31 · Centennial, CO Centennial

Family 1 Mile Fun RunVirtual Run Registration5K Registration +3

From $30 Open

Register →

Halloween Fun Run 5k & 1mile - Zombie Theme

Sat, Oct 31 · Idaho Springs, CO Idaho Springs

1 Mile Fun Run5k Fun Run

From $20 Open

Register →

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

Sat, Oct 31 · Centennial, CO Centennial

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

From $30 Open

Register →

Feet for Justice Run

Sun, Nov 1 · Denver, CO Denver

5KVirtual Runner10K +1

From $10 Open

Register →

All-Out Kooky-Spooky

Sun, Nov 1 · Golden, CO Golden

5KVIRTUAL 5K10K +3

From $20 Open

Register →

RMRR November 5k/15k

Sun, Nov 1 · Denver, CO Denver

5k15k

From $10 Open

Register →

Bell Ringer 2 Miler

Sat, Nov 7 · Loveland, CO Loveland

Virtual 2 MilerBell Ringer 2 MilerRuck Division

From $20 Open

Register →

Turkey Trails- Denver

Sat, Nov 7 · Littleton, CO Littleton

1 Mile5K10K +4

From $17 Open 5 spots left

Register →

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

Sat, Nov 7 · Denver, CO Denver

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

From $16 Open

Register →

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

Register →

Canya Cañon Trail Race & Hike

Sun, Nov 8 · Colorado Springs, CO Colorado Springs

4 Mile Course2.5 Mile Course

From $25 Closed

Register →

Turkey Trails - Colorado Springs

Sun, Nov 8 · Colorado Springs, CO Colorado Springs

1 Mile5k10k +4

From $17 Open 5 spots left

Register →

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

Sat, Nov 14 · Centennial, CO Centennial

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

From $30 Open

Register →

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

Register →

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

Sat, Nov 14 · Centennial, CO Centennial

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

From $30 Open

Register →

Denver Veterans Day Run

Sat, Nov 14 · Denver, CO Denver

5K Run/Walk10K Run/Walk10K Rippetoe Rucksack Challenge

From $45 Open

Register →

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 Closed

Register →

Pumpkin Pie 5K/10K

Sat, Nov 21 · Denver, CO Denver

5KVirtual Race10K

From $30 Open

Register →

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

Sat, Nov 21 · Arvada, CO Arvada

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

From $26 Open

Register →

Broomfield Turkey Day 5K/10K

Thu, Nov 26 · Broomfield, CO Broomfield

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

From $17 Open

Register →

Huffin' for Stuffin' 2-Mile Fun Run

Thu, Nov 26 · Loveland, CO Loveland

2 Mile Fun RunVirtual 2-Mile Fun Run

From $20 Open 5 spots left

Register →

NCMC Turkey Trot

Thu, Nov 26 · Greeley, CO Greeley

2026 NCMC Turkey Trot 2K2026 NCMC Turkey Trot 5K

From $30 Open

Register →

Buena Vista Turkey Trot 5K & Family Fun Run

Thu, Nov 26 · Buena Vista, CO Buena Vista

Buena Vista Turkey Trot 5K

From $35 Closed

Register →

2026 Loveland Turkey Trot

Thu, Nov 26 · Loveland, CO Loveland

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

From $5 Closed

Register →

Gobble Wobble Run 2026

Thu, Nov 26 · Littleton, CO Littleton

Gobble Wobble 5K Certified Course at Clement Park

From $35 Closed

Register →

The Pilgrimage Run 2026

Thu, Nov 26 · Erie, CO Erie

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

From $25 Open

Register →

Pelican Lakes Turkey Trot

Thu, Nov 26 · Windsor, CO Windsor

5K walk5k run

From $30 Open

Register →

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

Thu, Nov 26 · Parker, CO Parker

5K

From $38 Open

Register →

AdventHealth Avista Louisville Turkey Trot

Thu, Nov 26 · Louisville, CO Louisville

AdventHealth Avista Louisville Turkey Trot 2026

From $20 Open

Register →

Christmas Mountain 5 Mile Run

Fri, Nov 27 · Salida, CO Salida

Christmas Mountain 1 Mile RunChristmas Mountain 5 Mile Run

From $10 Closed

Register →

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

Sat, Nov 28 · Centennial, CO Centennial

Family 1 Mile Fun Run5K RegistrationVirtual Run Registration +3

From $30 Open

Register →

Thanksgiving Gobble Trot Run 5K/10K/13.1 DENVER/AURORA

Sat, Nov 28 · Centennial, CO Centennial

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

From $30 Open

Register →

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

Sat, Dec 5 · Colorado Springs, CO Colorado Springs

Adult Chasing Santa 5kToddlers Chasing SantaChasing Santa 5k KIDS 15 yrs and under +5

From $0 Open

Register →

Onesie Dash

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

Onesie Dash

From $35 Open

Register →

Candy Cane Course - Colorado Springs

Sat, Dec 5 · Colorado Springs, CO Colorado Springs

1 Mile5K10K +4

From $22 Open 5 spots left

Register →

All-Out Fa La La

Sat, Dec 5 · Westminster, CO Westminster

5KVIRTUAL 5K10K +3

From $20 Open

Register →

RMRR December 4.5mi

Sun, Dec 6 · Denver, CO Denver

4.5 mi

From $10 Open

Register →

Candy Cane Course - Denver

Sun, Dec 6 · Westminster, CO Westminster

1 Mile5k10k +4

From $22 Open 5 spots left

Register →

Rock Canyon Half Marathon- 40th Anniversary Run!

Sun, Dec 6 · Pueblo, CO Pueblo

Mini Rock Canyon 5k1/2 marathon

From $35 Open

Register →

Santa Catch 5k & 10k

Sat, Dec 12 · Windsor, CO Windsor

1 Mile Kids Fun RunSanta Catch 5KSanta Catch 10k

From $15 Open

Register →

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

Sat, Dec 12 · Centennial, CO Centennial

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

From $30 Open

Register →

WinterFest 5k & Fun Run

Sat, Dec 12 · Thornton, CO Thornton

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

From $12 Open

Register →

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

Sat, Dec 12 · Centennial, CO Centennial

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

From $30 Open

Register →

2026 Jingle Bell Run - Colorado

Sun, Dec 13 · Denver, CO Denver

1 Mile5K TimedKids Run +1

From $25 Closed

Register →

Santa's Dash for Ca$h

Sat, Dec 19 · Denver, CO Denver

5k

From $29 Open

Register →

Ugly Sweater 5K

Sun, Dec 20 · Denver, CO Denver

5KVirtual 5K

From $30 Open

Register →

A Merry Christmas Run 5K/10K/13.1 DENVER/AURORA

Sat, Dec 26 · Centennial, CO Centennial

Family 1 Mile Fun Run5K Registration5K/10K/13.1 Eco-Registration (No Shirt) +3

From $30 Open

Register →

New Year's Run 5K/10K/13.1 DENVER/AURORA

Sat, Dec 26 · Centennial, CO Centennial

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

From $30 Open

Register →