5K Races in Colorado — 2026

There are 298 5K races in Colorado scheduled for 2026. The next is the Bigfoot Half Marathon in Estes Park on April 25. Colorado 5K races run primarily April.

I Ain't Scared (of 5k)

Sat, Oct 31 · Thornton, CO Thornton

5k

From $29 Open

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Foundry Halloween 5k

Sat, Oct 31 · Steamboat Springs, CO Steamboat Springs

Foundry 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

Family 1 Mile Fun Run5K/10K/13.1 Eco-Registration (No Shirt)5K Registration +3

From $30 Open

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All-Out Kooky-Spooky

Sun, Nov 1 · Golden, CO Golden

5KVIRTUAL 5K10K +3

From $25 Open Closing Soon

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RMRR November Trophy Series

Sun, Nov 1 · Denver, CO Denver

5k15k

From $10 Open

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Bell Ringer 2 Miler

Sat, Nov 7 · Loveland, CO Loveland

Virtual 2 MilerRuck DivisionBell Ringer 2 Miler

From $20 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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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

Kids 15 yrs and under 5kColorado Springs Veterans Day 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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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 Run5K Registration5K/10K/13.1 Eco-Registration (No Shirt) +3

From $30 Open

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

Sat, Nov 14 · Centennial, CO Centennial

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

From $30 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 9 & 10 (Born 2016-2017) - 3K (1.86 Miles) +5

From $25.99 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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Pumpkin Pie 5K/10K

Sat, Nov 21 · Denver, CO Denver

5KVirtual Race10K

From $30 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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Pelican Lakes Turkey Trot

Thu, Nov 26 · Windsor, CO Windsor

5k run5K walk

From $30 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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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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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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NCMC Turkey Trot

Thu, Nov 26 · Greeley, CO Greeley

2026 NCMC Turkey Trot 2K2026 NCMC Turkey Trot 5K

From $30 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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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

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

Sat, Dec 5 · Colorado Springs, CO Colorado Springs

Adult Chasing Santa 5kChasing Santa 5k KIDS 15 yrs and underToddlers Chasing Santa +5

From $0 Open Closing Soon

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All-Out Fa La La

Sat, Dec 5 · Westminster, CO Westminster

5KVIRTUAL 5K10K +3

From $25 Open

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Candy Cane Course - Denver

Sun, Dec 6 · Westminster, CO Westminster

1 Mile5k10k +4

From $22 Open 5 spots left

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RMRR December Trophy Series

Sun, Dec 6 · Denver, CO Denver

4.5 mi

From $10 Open

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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 Closing Soon

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Santa Catch 5k & 10k

Sat, Dec 12 · Windsor, CO Windsor

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

Family 1 Mile Fun Run5K/10K/13.1 Eco-Registration (No Shirt)5K Registration +3

From $30 Open

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Santa's Dash for Ca$h

Sat, Dec 19 · Denver, CO Denver

5k

From $29 Open Closing Soon

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Ugly Sweater 5K

Sun, Dec 20 · Denver, CO Denver

5KVirtual 5K

From $30 Open

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

Sat, Dec 26 · Centennial, CO Centennial

Family 1 Mile Fun Run5K/10K/13.1 Eco-Registration (No Shirt)5K Registration +3

From $30 Open

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Resolution Run - Fort Collins

Thu, Dec 31 · Fort Collins, CO Fort Collins

5K

From $25 Closed

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Resolute Runner 5k

Fri, Jan 1 · Arvada, CO Arvada

5k

From $29 Open

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All-Out Polar Prowl

Sat, Jan 9 · Arvada, CO Arvada

5KVIRTUAL 5KVIRTUAL 10K +3

From $25 Open

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All-Out Mardi Crawl

Sat, Feb 6 · Arvada, CO Arvada

VIRTUAL 5K5K5K +9

From $25 Open

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Heart Throb 5k

Sat, Feb 13 · Arvada, CO Arvada

5k

From $25 Open

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Highlands Ranch 5k

Sun, Feb 28 · Highlands Ranch, CO Highlands Ranch

5k5k

From $33 Open

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All-Out Spring Fever

Sun, Mar 21 · Golden, CO Golden

VIRTUAL 5KVIRTUAL 5K5K +9

From $25 Open

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Central Park 5k

Sun, Mar 28 · Denver, CO Denver

5k Run/Walk5k Run/Walk

From $20 Open Closing Soon

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Donut Dash

Sun, Apr 4 · Denver, CO Denver

Virtual 5K5KVirtual 5K +1

From $30 Open

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