Upcoming 5K Races Near Fort Collins, CO

Six Pack Series Winter Westminster 5 mile & 5k

Westminster, CO

Saturday, February 8th, 2025

Heart Throb 5k

Arvada, CO

Saturday, February 15th, 2025

All-Out Mardi Crawl

Arvada, CO

Saturday, February 22nd, 2025

Six Pack Series Winter Westminster 5k and 10k

Westminster, CO

Saturday, February 22nd, 2025

Sharin' O' The Green 5k

Fort Collins, CO

Saturday, March 15th, 2025

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

Windsor, CO

Sunday, March 16th, 2025

Lucky Leprechaun 5K

Boulder, CO

Sunday, March 16th, 2025

Spring Equinox

Wellington, CO

Sunday, March 23rd, 2025

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

Arvada, CO

Sunday, April 13th, 2025

All-Out Beat the Heat

Westminster, CO

Saturday, April 19th, 2025

Great Western Trail Race

Severance, CO

Saturday, April 19th, 2025

Bigfoot Half Marathon

Estes Park, CO

Saturday, April 26th, 2025

2025 Five Star 5K, Mile of Smiles, and Wellness...

Brighton, CO

Saturday, April 26th, 2025

Blue Heron Half & 5K

Brighton, CO

Sunday, April 27th, 2025

2025 Flying Pig 5K

Fort Collins, CO

Sunday, April 27th, 2025

Adams County Foster Care 5K Run/Walk and 1 mile...

Brighton, CO

Saturday, May 3rd, 2025

21st Annual Bob Turner Classic 5k Run/Walk

Berthoud, CO

Saturday, May 3rd, 2025

Longmont Half & 5k (LM Half)

Longmont, CO

Sunday, May 4th, 2025

The Colorado Marathon

Fort Collins, CO

Sunday, May 4th, 2025

Muddy Dash | Denver

Erie, CO

Saturday, May 10th, 2025

Colorado Women's Classic - Westminster

Westminster, CO

Sunday, May 11th, 2025

Miles for Smiles 5K

Arvada, CO

Sunday, May 18th, 2025

Dog Jog

Cheyenne, WY

Saturday, May 24th, 2025

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

Louisville, CO

Sunday, June 1st, 2025

J-Town Jog 5K and Mile

Johnstown, CO

Saturday, June 7th, 2025

All-Out Summer Breeze

Arvada, CO

Saturday, June 7th, 2025

StepUp For Women And Recovery

Fort Collins, CO

Saturday, June 7th, 2025

Sierra's 5K Run/Walk Race Against Meningitis

Loveland, CO

Saturday, June 14th, 2025

Father's Day Classic 10k, 5k, & 1 Mile

Arvada, CO

Sunday, June 15th, 2025

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

Windsor, CO

Saturday, June 21st, 2025

Bubble Run | Denver

Commerce City, CO

Saturday, June 21st, 2025

Unicorn 5k (North)

Thornton, CO

Saturday, June 21st, 2025

Hometown Half Marathon & 5k/10k - Denver

Westminster, CO

Saturday, June 21st, 2025

Timberview Trail Run

Bellvue, CO

Saturday, June 28th, 2025

Loveland Liberty 5K

Loveland, CO

Friday, July 4th, 2025

FireKracker 5k

Fort Collins, CO

Friday, July 4th, 2025

Let Freedom Run 5k/10k

Louisville, CO

Friday, July 4th, 2025

Greeley Freedom 5k Walk & Run

Greeley, CO

Friday, July 4th, 2025

All-Out Dog Days

Westminster, CO

Saturday, July 12th, 2025

Rocky Mountain Half Marathon & 5K

Estes Park, CO

Friday, August 1st, 2025

All-Out Runapalooza

Arvada, CO

Saturday, August 2nd, 2025

Holy COW Trail Stampede

Westminster, CO

Saturday, August 9th, 2025

Valley 5000

Loveland, CO

Saturday, August 16th, 2025

Erie Half & 5k

Erie, CO

Sunday, August 17th, 2025

RMRR September Trophy Series

Thornton, CO

Sunday, September 7th, 2025

All-Out Fall Fest

Westminster, CO

Saturday, September 13th, 2025

Pioneer Prairie Dog Half, 10k & 5k

Westminster, CO

Saturday, September 27th, 2025

Not So Flatt Breast Cancer Awareness Run/Walk

Westminster, CO

Saturday, October 4th, 2025

I Can 5k

Thornton, CO

Saturday, October 4th, 2025

Windsor Marathon, Half Marathon, 10k & 5k

Windsor, CO

Sunday, October 5th, 2025

The Long View Marathon

Fort Collins, CO

Saturday, October 11th, 2025

Westy Half & 5k

Westminster, CO

Sunday, October 12th, 2025

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

Arvada, CO

Saturday, October 25th, 2025

Girls on the Run Northern Colorado Fall 5K

Fort Collins, CO

Sunday, November 2nd, 2025

10k Turkey Trek & 5k Turkey Trot

Arvada, CO

Saturday, November 22nd, 2025

AdventHealth Avista Louisville Turkey Trot

Louisville, CO

Thursday, November 27th, 2025

Pelican Lakes Turkey Trot

Windsor, CO

Thursday, November 27th, 2025

Broomfield Turkey Day 5K/10K

Broomfield, CO

Thursday, November 27th, 2025

All-Out Fa La La

Westminster, CO

Saturday, December 6th, 2025

Santa Catch 5k & 10k

Windsor, CO

Saturday, December 13th, 2025

WinterFest 5k & Fun Run

Thornton, CO

Saturday, December 13th, 2025

Resolute Runner 5k

Arvada, CO

Thursday, January 1st, 2026

All-Out Polar Prowl

Arvada, CO

Saturday, January 10th, 2026