5K Races in Colorado — 2026

There are 258 5K races in Colorado scheduled for 2026. The next is the 6th Annual Skidola: Telluride's Winter Uphill Race in Telluride on March 13. Colorado 5K races run primarily March through February.

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

Sat, Sep 26 · 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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Parker Parks and Recreation So Long to Summer 5K/10K

Sat, Sep 26 · Parker, CO Parker

5K10K

From $40 Open 100 spots left

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HRCA Oktoberfest 5K

Sat, Sep 26 · Littleton, CO Littleton

5K Run/Walk

From $40 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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Colorado Coyotes Youth XC Invitational

Sun, Sep 27 · Cenennial, CO Cenennial

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

From $30 Open

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Spooky Sprint - Denver

Sat, Oct 3 · Denver, CO Denver

1 Mile5K10K +4

From $20 Open 5 spots left

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Emerald Mountain Trail Run

Sat, Oct 3 · Steamboat Springs, CO Steamboat Springs

4 Mile12k

From $25 Open

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

Sat, Oct 3 · Colorado Springs, CO Colorado Springs

Kids KVirtual Kids K2027 VIRTUAL 5k +16

From $0 Open 20 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

VIRTUAL 5k Run/Walk5K Road Run8 Mile Trail Run +3

From $40 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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RMRR October Trophy Series

Sun, Oct 4 · Aurora, CO Aurora

5k8mi

From $10 Open

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Manitou 5K

Sat, Oct 10 · Manitou Springs, CO Manitou Springs

Manitou 5K 18 and underManitou 5K

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 Mile5K/10K/13.1 Eco-Registration (No Shirt)5K Registration +3

From $30 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

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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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Race to Cure Sarcoma Denver

Sat, Oct 24 · Denver, CO Denver

5K Run or 1 Mile Walk (Untimed) - Child (Ages 6-12)5K Run or 1 Mile Walk (Untimed) - AdultVirtual - Child +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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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

5KVirtual Race10K

From $30 Open

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Spooky Sprint - Colorado Springs

Sat, Oct 31 · Colorado Springs, CO Colorado Springs

5k10KHalf Marathon +4

From $17 Open 5 spots left

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Foundry Halloween 5k

Sat, Oct 31 · Steamboat Springs, CO Steamboat Springs

Foundry 5K

From $25 Open

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I Ain't Scared (of 5k)

Sat, Oct 31 · Thornton, CO Thornton

5k

From $29 Open

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

Sat, Oct 31 · 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

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RMRR November Trophy Series

Sun, Nov 1 · Denver, CO Denver

5k15k

From $10 Open

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All-Out Kooky-Spooky

Sun, Nov 1 · Golden, CO Golden

5KVIRTUAL 5KVIRTUAL 10K +3

From $25 Open

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Turkey Trails- Denver

Sat, Nov 7 · Denver, CO Denver

1 Mile5k10k +4

From $17 Open 5 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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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

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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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Turkey Trails - Colorado Springs

Sun, Nov 8 · Colorado Springs, CO Colorado Springs

1 Mile5k10k +4

From $17 Open 5 spots left

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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 9 & 10 (Born 2016-2017) - 3K (1.86 Miles) +5

From $25.99 Open

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Denver Veterans Day Run

Sat, Nov 14 · Denver, CO Denver

5K Run/Walk10K Run/Walk10K Rippetoe Rucksack Challenge

From $45 Open

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

Sat, Nov 14 · 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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Pumpkin Pie 5K/10K

Sat, Nov 21 · Denver, CO Denver

5KVirtual Race10K

From $30 Open

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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

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Pelican Lakes Turkey Trot

Thu, Nov 26 · Windsor, CO Windsor

5K walk5k run

From $30 Open

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NCMC Turkey Trot

Thu, Nov 26 · Greeley, CO Greeley

2025 NCMC Turkey Trot 2K2026 NCMC Turkey Trot 5K

From $30 Closed

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Broomfield Turkey Day 5K/10K

Thu, Nov 26 · Broomfield, CO Broomfield

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

From $17 Open

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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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Gobble Wobble Run 2026

Thu, Nov 26 · Littleton, CO Littleton

Gobble Wobble 5K Certified Course at Clement Park

From $35 Closed

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Huffin' for Stuffin' 2-Mile Fun Run

Thu, Nov 26 · Loveland, CO Loveland

Virtual 2-Mile Fun Run2 Mile Fun Run

From $20 Open 5 spots left

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AdventHealth Avista Louisville Turkey Trot

Thu, Nov 26 · Louisville, CO Louisville

AdventHealth Avista Louisville Turkey Trot 2026

From $20 Open

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Buena Vista Turkey Trot 5K & Family Fun Run

Thu, Nov 26 · Buena Vista, CO Buena Vista

Buena Vista Turkey Trot 5K

From $35 Closed

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Christmas Mountain 5 Mile Run

Fri, Nov 27 · Salida, CO Salida

Christmas Mountain 1 Mile RunChristmas Mountain 5 Mile Run

Closed

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

Sat, Nov 28 · 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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Candy Cane Course - Colorado Springs

Sat, Dec 5 · Colorado Springs, CO Colorado Springs

1 Mile5k10k +4

From $22 Open 5 spots left

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Onesie Dash

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

Onesie Dash

From $35 Open

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