Upcoming 10K Races Near Grand County, CO

Name: Santa Catch 5k & 10k
Start: 2026-12-12
End: 2026-12-12
Location: Windsor

Great Western Trail Race

Severance, CO

Saturday, April 18th, 2026

Featured

10K

Half

Trail

View details for race Great Western Trail Race

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All-Out Beat the Heat

Westminster, CO

Saturday, April 18th, 2026

Half

10K

View details for race All-Out Beat the Heat

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

Westminster, CO

Sunday, April 19th, 2026

1 Mile

10K

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

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

Littleton, CO

Sunday, April 19th, 2026

1 Mile

10K

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

NoCo Half Marathon & 10K

Loveland, CO

Saturday, April 25th, 2026

10K

Half

View details for race NoCo Half Marathon & 10K

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

Spirit Challenge Run for Autism 10k and 5k

Steamboat Springs, CO

Saturday, May 16th, 2026

10K

Trail

View details for race Spirit Challenge Run for Autism 10k and 5k

The Steamboat Marathon

Steamboat Springs, CO

Sunday, June 7th, 2026

Marathon

Half

10K

View details for race The Steamboat Marathon

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)

Crazy Legs 10k+ Trail Run

Loveland, CO

Sunday, June 7th, 2026

10K

View details for race Crazy Legs 10k+ Trail Run

All-Out Summer Breeze

Arvada, CO

Saturday, June 13th, 2026

Half

10K

Trail

View details for race All-Out Summer Breeze

Treat Trot - Denver

Thornton, CO

Saturday, June 13th, 2026

10K

15K

View details for race Treat Trot - Denver

Treat Trot Denver

Denver, CO

Saturday, June 13th, 2026

10K

15K

View details for race Treat Trot Denver

The Bullfrog Splashdown

Littleton, CO

Sunday, June 14th, 2026

10K

1 Mile

View details for race The Bullfrog Splashdown

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

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

Race in the Clouds - Alma Dirt Festival 2026

Alma, CO

Thursday, June 25th, 2026

Marathon

Half

10K

Trail

Fast

View details for race Race in the Clouds - Alma Dirt Festival 2026

SBT TRL

Steamboat Springs, CO

Saturday, June 27th, 2026

View details for race SBT TRL

Let Freedom Run 5k/10k - Louisville

Louisville, CO

Saturday, July 4th, 2026

10K

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

2026 Independence Day 10k

Breckenridge, CO

Saturday, July 4th, 2026

10K

View details for race 2026 Independence Day 10k

Heatwave Half Marathon - Denver

Denver, CO

Saturday, July 11th, 2026

1 Mile

10K

View details for race Heatwave Half Marathon - Denver

All-Out Dog Days

Westminster, CO

Saturday, July 11th, 2026

Half

10K

Trail

View details for race All-Out Dog Days

Audi Power of Four Trail Run

Aspen, CO

Saturday, July 18th, 2026

Ultra

10K

Trail

View details for race Audi Power of Four Trail Run

Berthoud Gastro-Dash 10k

Berthoud, CO

Saturday, July 18th, 2026

10K

View details for race Berthoud Gastro-Dash 10k

Summer Sizzler- Denver

Thornton, CO

Saturday, August 8th, 2026

1 Mile

10K

View details for race Summer Sizzler- Denver

Summer Sizzler- Denver

Denver, CO

Saturday, August 8th, 2026

1 Mile

10K

View details for race Summer Sizzler- Denver

All-Out Runapalooza

Arvada, CO

Saturday, August 8th, 2026

Half

10K

Trail

View details for race All-Out Runapalooza

Into the Hills Eltuck 10k

Bellvue, CO

Tuesday, August 11th, 2026

10K

Trail

Fast

View details for race Into the Hills Eltuck 10k

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

RMRR September Trophy Series

Thornton, CO

Sunday, September 13th, 2026

10K

Fast

View details for race RMRR September Trophy Series

All-Out Fall Fest

Westminster, CO

Saturday, September 19th, 2026

Half

10K

Trail

View details for race All-Out Fall Fest

20th Annual Golden Gallop

Golden, CO

Sunday, September 20th, 2026

10K

View details for race 20th Annual Golden Gallop

HRCA Wildcat Mountain Trail Races

Littleton, CO

Saturday, October 3rd, 2026

10 Miles

10K

Trail

View details for race HRCA Wildcat Mountain Trail Races

Spooky Sprint - Denver

Denver, CO

Saturday, October 3rd, 2026

1 Mile

10K

View details for race Spooky Sprint - Denver

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

Lakewood, CO

Saturday, November 7th, 2026

1 Mile

10K

View details for race Turkey Trails- Denver

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)

Denver Veterans Day Run

Denver, CO

Saturday, November 14th, 2026

10K

View details for race Denver Veterans Day Run

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

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

Candy Cane Course - Denver

Denver, CO

Saturday, December 5th, 2026

1 Mile

10K

View details for race Candy Cane Course - Denver

All-Out Fa La La

Westminster, CO

Saturday, December 5th, 2026

Half

10K

Trail

View details for race All-Out Fa La La

Candy Cane Course - Denver

Westminster, CO

Sunday, December 6th, 2026

1 Mile

10K

View details for race Candy Cane Course - Denver

Santa Catch 5k & 10k

Windsor, CO

Saturday, December 12th, 2026

10K

1 Mile

Trail

View details for race Santa Catch 5k & 10k

Explore more in Grand County, CO

Distances:

5K 10K Half Marathon Marathon

Months:

April May June

Tags:

Trail Boston Qualifiers Fast Courses

State:

All Colorado races

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