53 Upcoming 10K Races Near Thornton, CO

Diplo's Run Club Denver

Denver, CO

Sunday, July 12th, 2026

Featured

Code:FTR10

View details for race Diplo's Run Club Denver

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

Heatwave Half Marathon - Denver

Littleton, CO

Saturday, July 11th, 2026

1 Mile

10K

View details for race Heatwave Half Marathon - Denver

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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

Fast

View details for race Berthoud Gastro-Dash 10k

Choice City Running Festival

Fort Collins, CO

Friday, August 7th, 2026

1 Mile

Half

10K

View details for race Choice City Running Festival

Summer Sizzler- Denver

Thornton, 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

Eat. Run. Adopt. 10K

Berthoud, CO

Saturday, August 8th, 2026

10K

View details for race Eat. Run. Adopt. 10K

Summer Sizzler- Denver

Denver, CO

Saturday, August 8th, 2026

1 Mile

10K

View details for race Summer Sizzler- Denver

2026 True Impact Ministries 5K/10K

Centennial, CO

Saturday, August 22nd, 2026

10K

Trail

View details for race 2026 True Impact Ministries 5K/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

1 Mile

10K

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

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

Westminster, CO

Saturday, September 5th, 2026

1 Mile

10K

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

14th Annual Superhero Event

Greeley, CO

Thursday, September 10th, 2026

10K

1 Mile

View details for race 14th Annual Superhero Event

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

Trail

View details for race 20th Annual Golden Gallop

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

Running for Children's Rights to Both Parents -...

Boulder, CO

Sunday, September 27th, 2026

Half

10K

View details for race Running for Children's Rights to Both Parents - 9 of 50 Half Marathons in 50 States - Colorado

Lafayette Music Fest -5K - 10K

Lafayette, CO

Saturday, October 3rd, 2026

10K

View details for race Lafayette Music Fest -5K - 10K

Spooky Sprint - Denver

Littleton, CO

Saturday, October 3rd, 2026

1 Mile

10K

View details for race Spooky Sprint - Denver

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

Your Story Isn't Over 5k/10k/Kids 1-Mile

Littleton, CO

Sunday, October 11th, 2026

1 Mile

10K

View details for race Your Story Isn't Over 5k/10k/Kids 1-Mile

All-Out Kooky-Spooky

Golden, CO

Sunday, November 1st, 2026

Half

10K

Trail

View details for race All-Out Kooky-Spooky

Feet for Justice Run

Denver, CO

Sunday, November 1st, 2026

10K

Fast

View details for race Feet for Justice Run

Turkey Trails- Denver

Denver, CO

Saturday, November 7th, 2026

1 Mile

10K

View details for race Turkey Trails- Denver

Turkey Trails- Denver

Littleton, CO

Saturday, November 7th, 2026

1 Mile

10K

View details for race Turkey Trails- Denver

Turkey Trails- Denver

Lakewood, 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

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

Denver, CO

Saturday, December 5th, 2026

1 Mile

10K

View details for race Candy Cane Course - Denver

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

All-Out Polar Prowl

Arvada, CO

Saturday, January 9th, 2027

Half

10K

Trail

View details for race All-Out Polar Prowl

Coffee Lover Run DENVER/AURORA

Centennial, CO

Saturday, January 30th, 2027

10K

Half

View details for race Coffee Lover Run DENVER/AURORA

Run for Donut DENVER/AURORA

Centennial, CO

Saturday, January 30th, 2027

10K

Half

View details for race Run for Donut DENVER/AURORA

All-Out Mardi Crawl

Arvada, CO

Saturday, February 6th, 2027

Half

10K

Trail

View details for race All-Out Mardi Crawl

Run for Chocolate 5k/10k/13.1 DENVER/AURORA

Centennial, CO

Saturday, February 13th, 2027

10K

Half

View details for race Run for Chocolate 5k/10k/13.1 DENVER/AURORA

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

Severance, CO

Sunday, March 14th, 2027

10K

15K

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

All-Out Spring Fever

Golden, CO

Sunday, March 21st, 2027

Half

10K

Trail

View details for race All-Out Spring Fever

All-Out Beat the Heat

Westminster, CO

Saturday, April 24th, 2027

Half

10K

Trail

View details for race All-Out Beat the Heat

The Colorado Marathon

Fort Collins, CO

Sunday, May 2nd, 2027

Marathon

Half

10K

Fast

View details for race The Colorado Marathon

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