Trail

Fast

Upcoming 10K Races Near Westminster, CO

Name: All-Out Fa La La
Start: 2026-12-05
End: 2026-12-05
Location: Westminster

Candy Cane Course - Denver

Westminster, CO

Saturday, December 27th, 2025

Featured

1 Mile

12K

View details for race Candy Cane Course - Denver

Want to feature your race?

Get your race seen first by thousands of runners

Learn More

Learn how to feature your race

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

Colorado Cold Rush

Louisville, CO

Sunday, January 18th, 2026

10K

View details for race Colorado Cold Rush

Yeti Chase 5k/10k

Morrison, CO

Sunday, January 25th, 2026

10K

View details for race Yeti Chase 5k/10k

Westy Winter Waggle 5&10k

Westminster, CO

Saturday, February 7th, 2026

10K

View details for race Westy Winter Waggle 5&10k

Parker Parks and Recreation Love 'em or Leave '...

Parker, CO

Saturday, February 14th, 2026

10K

View details for race Parker Parks and Recreation Love 'em or Leave 'em Valentine's Day 5K/10K

All-Out Mardi Crawl

Arvada, CO

Sunday, February 22nd, 2026

Half

10K

Trail

View details for race All-Out Mardi Crawl

Time to Paddy 5k/10k & Lucky 13.1 - Denver

Denver, CO

Saturday, February 28th, 2026

10K

Half

View details for race Time to Paddy 5k/10k & Lucky 13.1 - Denver

Lucky Brew Race 5K, 10K, 15k & Half Marathon

Severance, CO

Saturday, March 14th, 2026

10K

15K

View details for race Lucky Brew Race 5K, 10K, 15k & Half Marathon

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

All-Out Spring Fever

Golden, CO

Sunday, March 22nd, 2026

Half

10K

Trail

View details for race All-Out Spring Fever

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

Great Western Trail Race

Severance, CO

Saturday, April 18th, 2026

10K

Half

Trail

Fast

View details for race Great Western Trail Race

All-Out Beat the Heat

Westminster, CO

Saturday, April 18th, 2026

Half

10K

Trail

View details for race All-Out Beat the Heat

DoNot Stop Half Marathon (5k/10k) - Denver

Littleton, CO

Sunday, April 19th, 2026

10K

1 Mile

View details for race DoNot Stop Half Marathon (5k/10k) - Denver

The Colorado Marathon

Fort Collins, CO

Sunday, May 3rd, 2026

Marathon

Half

10K

View details for race The Colorado Marathon

Colorado Women's Classic - Westminster

Westminster, CO

Sunday, May 10th, 2026

10K

10 Miles

View details for race Colorado Women's Classic - Westminster

Hometown Half Marathon & 5k/10k - Denver

Denver, CO

Sunday, May 10th, 2026

10K

Half

View details for race Hometown Half Marathon & 5k/10k - Denver

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)

Treat Trot Denver

Denver, CO

Saturday, June 13th, 2026

10K

15K

View details for race Treat Trot Denver

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

Windsor, CO

Saturday, June 20th, 2026

10K

Half

View details for race Red, White and Brew 5k, 10k & Half Marathon

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

Arvada, CO

Sunday, June 21st, 2026

10K

1 Mile

View details for race Father's Day Classic 10k, 5k, & 1 Mile

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

Heatwave Half Marathon - Denver

Denver, CO

Saturday, July 11th, 2026

1 Mile

10K

View details for race Heatwave Half Marathon - Denver

Summer Splash Prairie Dog Half, 10k, & 5k

Castle Rock, CO

Saturday, July 18th, 2026

Half

10K

Trail

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

Berthoud Gastro-Dash 10k

Berthoud, CO

Saturday, July 18th, 2026

10K

View details for race Berthoud Gastro-Dash 10k

All-Out Runapalooza

Arvada, CO

Saturday, August 8th, 2026

Half

10K

Trail

View details for race All-Out Runapalooza

Summer Sizzler- Denver

Denver, CO

Saturday, August 8th, 2026

1 Mile

10K

View details for race Summer Sizzler- Denver

Pioneer Prairie Dog Half, 10k & 5k

Westminster, CO

Sunday, August 23rd, 2026

Half

10K

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

Golden Harvest Half Marathon & 5k/10k - Denver

Denver, CO

Saturday, September 5th, 2026

10K

Half

View details for race Golden Harvest Half Marathon & 5k/10k - Denver

Labor Day Half Marathon

Parker, CO

Monday, September 7th, 2026

Half

10K

Fast

View details for race Labor Day Half Marathon

All-Out Fall Fest

Westminster, CO

Saturday, September 19th, 2026

Half

10K

Trail

View details for race All-Out Fall Fest

Parker Parks and Recreation So Long to Summer 5...

Parker, CO

Saturday, September 26th, 2026

10K

View details for race Parker Parks and Recreation So Long to Summer 5K/10K

Spooky Sprint - Denver

Denver, CO

Saturday, October 3rd, 2026

1 Mile

10K

View details for race Spooky Sprint - Denver

HRCA Wildcat Mountain Trail Races

Littleton, CO

Saturday, October 3rd, 2026

10 Miles

10K

Trail

View details for race HRCA Wildcat Mountain Trail Races

Windsor Marathon, Half Marathon, 10k, 5k & 1 Mi...

Windsor, CO

Sunday, October 4th, 2026

Marathon

Half

10K

Trail

View details for race Windsor Marathon, Half Marathon, 10k, 5k & 1 Mile Run

All-Out Kooky-Spooky

Golden, CO

Sunday, November 1st, 2026

Half

10K

Trail

View details for race All-Out Kooky-Spooky

Turkey Trails- Denver

Denver, CO

Saturday, November 7th, 2026

1 Mile

10K

View details for race Turkey Trails- Denver

City Park Classic (5k/10k & 1 Mile Walk of Hope...

Denver, CO

Saturday, November 7th, 2026

10K

1 Mile

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

Turkey Trails- Denver

Lakewood, CO

Saturday, November 7th, 2026

1 Mile

10K

View details for race Turkey Trails- Denver

Pumpkin Pie 5K/10K

Denver, CO

Saturday, November 21st, 2026

10K

Fast

View details for race Pumpkin Pie 5K/10K

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

Arvada, CO

Saturday, November 21st, 2026

Half

10K

Trail

View details for race TURKEY TREK (13.1, 10k, 5k & 2k)

Broomfield Turkey Day 5K/10K

Broomfield, CO

Thursday, November 26th, 2026

10K

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

All-Out Fa La La

Westminster, CO

Saturday, December 5th, 2026

Half

10K

Trail

View details for race All-Out Fa La La

Explore more in Westminster, CO

Distances:

5K 10K Half Marathon Marathon

Months:

December January February

Tags:

Trail Boston Qualifiers Fast Courses

State:

All Colorado races

Don't see your race? Add it!

Add Your Race (Free)