Upcoming 5K Races Near Fort Collins, CO

Name: All-Out Dog Days
Start: 2026-07-11
End: 2026-07-11
Location: Westminster

Westy Half & 5k

Westminster, CO

Sunday, October 12th, 2025

Featured

Half

View details for race Westy Half & 5k

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Joy & Justice 5k

Timnath, CO

Sunday, October 12th, 2025

1 Mile

View details for race Joy & Justice 5k

Jack-o’-Lantern Jog 5k

Fort Collins, CO

Monday, October 13th, 2025

Trail

View details for race Jack-o’-Lantern Jog 5k

Homecoming 5k - Colorado State University

Fort Collins, CO

Saturday, October 18th, 2025

View details for race Homecoming 5k - Colorado State University

Apex Foundation Trick or Trot 5K & Kids' Hallow...

Arvada, CO

Saturday, October 25th, 2025

1 Mile

View details for race Apex Foundation Trick or Trot 5K & Kids' Halloween Hunt

2025 Eerie Erie

Erie, CO

Saturday, October 25th, 2025

10K

Trail

View details for race 2025 Eerie Erie

11th edition Sole Mates 5k & Brew Fest presente...

Longmont, CO

Saturday, November 1st, 2025

View details for race 11th edition Sole Mates 5k & Brew Fest presented by Shoes & Brews and Left Hand Brewing

Colleen De Reuck XC Classic

Boulder, CO

Saturday, November 1st, 2025

View details for race Colleen De Reuck XC Classic

COMEA Turkey Trot 5K and Kid's Gobble Wobble

Cheyenne, WY

Saturday, November 1st, 2025

View details for race COMEA Turkey Trot 5K and Kid's Gobble Wobble

Girls on the Run Northern Colorado Fall 5K

Fort Collins, CO

Sunday, November 2nd, 2025

Trail

View details for race Girls on the Run Northern Colorado Fall 5K

Leyden Rock Turkey Trot 5K

Arvada, CO

Saturday, November 15th, 2025

View details for race Leyden Rock Turkey Trot 5K

10k Turkey Trek & 5k Turkey Trot

Arvada, CO

Saturday, November 22nd, 2025

10K

Trail

View details for race 10k Turkey Trek & 5k Turkey Trot

NCMC Turkey Trot

Greeley, CO

Thursday, November 27th, 2025

View details for race NCMC Turkey Trot

Alpine Bank Boulder Thanksgiving Day 5K

Boulder, CO

Thursday, November 27th, 2025

View details for race Alpine Bank Boulder Thanksgiving Day 5K

Fitness Avenue Turkey Trot 5K

Johnstown, CO

Thursday, November 27th, 2025

View details for race Fitness Avenue Turkey Trot 5K

2025 Loveland Turkey Trot

Loveland, CO

Thursday, November 27th, 2025

Trail

View details for race 2025 Loveland Turkey Trot

Broomfield Turkey Day 5K/10K

Broomfield, CO

Thursday, November 27th, 2025

10K

View details for race Broomfield Turkey Day 5K/10K

Pelican Lakes Turkey Trot

Windsor, CO

Thursday, November 27th, 2025

View details for race Pelican Lakes Turkey Trot

AdventHealth Avista Louisville Turkey Trot

Louisville, CO

Thursday, November 27th, 2025

View details for race AdventHealth Avista Louisville Turkey Trot

All-Out Fa La La

Westminster, CO

Saturday, December 6th, 2025

Half

10K

Trail

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Sweaty Sweater 5k

Fort Collins, CO

Saturday, December 6th, 2025

1 Mile

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Superior Stocking Run

Superior, CO

Saturday, December 13th, 2025

Fast

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WinterFest 5k & Fun Run

Thornton, CO

Saturday, December 13th, 2025

View details for race WinterFest 5k & Fun Run

Santa Catch 5k & 10k

Windsor, CO

Saturday, December 13th, 2025

10K

1 Mile

Trail

View details for race Santa Catch 5k & 10k

Candy Cane Course - Denver

Westminster, CO

Saturday, December 27th, 2025

1 Mile

12K

View details for race Candy Cane Course - Denver

Resolution Run 5K

Fort Collins, CO

Wednesday, December 31st, 2025

View details for race Resolution Run 5K

Resolute Runner 5k

Arvada, CO

Thursday, January 1st, 2026

Trail

View details for race Resolute Runner 5k

All-Out Polar Prowl

Arvada, CO

Saturday, January 10th, 2026

Half

10K

Trail

View details for race All-Out Polar Prowl

Arctic Prairie Dog Half, 10k & 5k

Louisville, CO

Sunday, January 18th, 2026

Half

10K

View details for race Arctic Prairie Dog Half, 10k & 5k

Heart Throb 5k

Arvada, CO

Saturday, February 14th, 2026

Fast

View details for race Heart Throb 5k

Ralston Creek Half Marathon & 5k

Arvada, CO

Sunday, February 15th, 2026

Trail

View details for race Ralston Creek Half Marathon & 5k

All-Out Mardi Crawl

Arvada, CO

Sunday, February 22nd, 2026

Half

10K

Trail

View details for race All-Out Mardi Crawl

Sharin' O' The Green 5k

Fort Collins, CO

Saturday, March 14th, 2026

Fast

View details for race Sharin' O' The Green 5k

Lucky Brew Race 5K, 10K, and 15K

Windsor, CO

Saturday, March 21st, 2026

10K

15K

Trail

View details for race Lucky Brew Race 5K, 10K, and 15K

Run the Ranch

Loveland, CO

Friday, April 10th, 2026

10K

Trail

View details for race Run the Ranch

Spring Fling Prairie Dog Half, 10k, & 5k

Arvada, CO

Sunday, April 12th, 2026

Half

10K

View details for race Spring Fling Prairie Dog Half, 10k, & 5k

All-Out Beat the Heat

Westminster, CO

Saturday, April 18th, 2026

Half

10K

Trail

View details for race All-Out Beat the Heat

Great Western Trail Race

Severance, CO

Saturday, April 18th, 2026

10K

Half

Trail

Fast

View details for race Great Western Trail Race

Friends of the National Center Science Stride 5K

Boulder, CO

Friday, May 1st, 2026

View details for race Friends of the National Center Science Stride 5K

The Colorado Marathon

Fort Collins, CO

Sunday, May 3rd, 2026

Marathon

Half

10K

View details for race The Colorado Marathon

Longmont Half & 5k (LM Half)

Longmont, CO

Sunday, May 3rd, 2026

Half

View details for race Longmont Half & 5k (LM Half)

Colorado Women's Classic - Westminster

Westminster, CO

Sunday, May 10th, 2026

10K

10 Miles

View details for race Colorado Women's Classic - Westminster

Dog Jog

Cheyenne, WY

Saturday, May 16th, 2026

View details for race Dog Jog

J-Town Jog 5K and Youth Mile

Johnstown, CO

Saturday, June 6th, 2026

1 Mile

View details for race J-Town Jog 5K and Youth Mile

Colorado 13er (Half Marathon/10k/5k)

Louisville, CO

Sunday, June 7th, 2026

Half

10K

Trail

View details for race Colorado 13er (Half Marathon/10k/5k)

All-Out Summer Breeze

Arvada, CO

Saturday, June 13th, 2026

Half

10K

Trail

View details for race All-Out Summer Breeze

Red, White and Brew 5k, 10k, Half Marathon & 12...

Windsor, CO

Saturday, June 20th, 2026

10K

Half

View details for race Red, White and Brew 5k, 10k, Half Marathon & 12 Hour Last Person Standing

Unicorn 5k (North)

Thornton, CO

Saturday, June 20th, 2026

View details for race Unicorn 5k (North)

Let Freedom Run 5k/10k - Louisville

Louisville, CO

Saturday, July 4th, 2026

10K

View details for race Let Freedom Run 5k/10k - Louisville

All-Out Dog Days

Westminster, CO

Saturday, July 11th, 2026

Half

10K

Trail

View details for race All-Out Dog Days

Explore more in Fort Collins, CO

Distances:

5K 10K Half Marathon Marathon

Months:

October November December

Tags:

Trail Boston Qualifiers Fast Courses

State:

All Colorado races

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