Upcoming Races Near Windsor, CO

Organize a race? Get it in front of thousands of runners.

Add it free Feature it

Denver Pride 5K

Denver, CO

Saturday, June 27th, 2026

View details for race Denver Pride 5K

Firework Color Run

Berthoud, CO

Saturday, June 27th, 2026

1 Mile

View details for race Firework Color Run

Pearl Street Mile

Boulder, CO

Saturday, June 27th, 2026

1 Mile

View details for race Pearl Street Mile

Fitness Expo On Tap at the Colorado Tap House

Arvada, CO

Saturday, June 27th, 2026

View details for race Fitness Expo On Tap at the Colorado Tap House

Timberview Trail Run

Bellvue, CO

Saturday, June 27th, 2026

Trail

View details for race Timberview Trail Run

FireKracker 5k

Fort Collins, CO

Saturday, July 4th, 2026

1 Mile

View details for race FireKracker 5k

Avery Brewing Co. 4K on the 4th

Boulder, CO

Saturday, July 4th, 2026

Fast

View details for race Avery Brewing Co. 4K on the 4th

Red Feather Lakes 3.6 Mile Fun Run

Red Feather Lakes, CO

Saturday, July 4th, 2026

View details for race Red Feather Lakes 3.6 Mile Fun Run

Let Freedom Run 5k - LONGMONT

Longmont, CO

Saturday, July 4th, 2026

View details for race Let Freedom Run 5k - LONGMONT

Loveland Liberty 5K

Loveland, CO

Saturday, July 4th, 2026

View details for race Loveland Liberty 5K

Greeley Freedom 5k Walk & Run

Greeley, CO

Saturday, July 4th, 2026

View details for race Greeley Freedom 5k Walk & Run

4th of July Donut Hole Mile

Arvada, CO

Saturday, July 4th, 2026

1 Mile

Trail

View details for race 4th of July Donut Hole Mile

Let Freedom Run 5k/10k - Louisville

Louisville, CO

Saturday, July 4th, 2026

10K

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

BRR All-Comers Summer Track & Field Series #3

Boulder, CO

Thursday, July 9th, 2026

1 Mile

View details for race BRR All-Comers Summer Track & Field Series #3

DRMABPsi 1–5K Walk, Run & Roll

Denver, CO

Saturday, July 11th, 2026

View details for race DRMABPsi 1–5K Walk, Run & Roll

Heatwave Half Marathon - Denver

Denver, CO

Saturday, July 11th, 2026

1 Mile

10K

View details for race Heatwave Half Marathon - Denver

Cookie Chase

Denver, CO

Saturday, July 11th, 2026

Fast

View details for race Cookie Chase

All-Out Dog Days

Westminster, CO

Saturday, July 11th, 2026

Half

10K

Trail

View details for race All-Out Dog Days

Will Run for Cannoli 5K

Cheyenne, WY

Saturday, July 11th, 2026

View details for race Will Run for Cannoli 5K

Diplo's Run Club Denver

Denver, CO

Sunday, July 12th, 2026

Code:FTR10

View details for race Diplo's Run Club Denver

Berthoud Gastro-Dash 10k

Berthoud, CO

Saturday, July 18th, 2026

10K

Fast

View details for race Berthoud Gastro-Dash 10k

Denver, CO Galloway Training Program

Denver, CO

Saturday, July 18th, 2026

View details for race Denver, CO Galloway Training Program

One Is Too Many: Veteran Suicide Awareness 5k a...

Greeley, CO

Sunday, July 19th, 2026

1 Mile

View details for race One Is Too Many: Veteran Suicide Awareness 5k and Kids Run

BRR All-Comers Summer Track & Field Series #4

Boulder, CO

Thursday, July 23rd, 2026

View details for race BRR All-Comers Summer Track & Field Series #4

Flyin' Ryan Memorial 5k

Loveland, CO

Friday, July 24th, 2026

Fast

View details for race Flyin' Ryan Memorial 5k

Move with MADD Denver 5k and Walk

Denver, CO

Saturday, August 1st, 2026

View details for race Move with MADD Denver 5k and Walk

Bound for Boston Marathon & Half Marathon - Denver

Denver, CO

Sunday, August 2nd, 2026

Marathon

Half

Fast

View details for race Bound for Boston Marathon & Half Marathon - Denver

Eltuck Valley 5K - Lory Summer Trail Series

Fort Collins, CO

Tuesday, August 4th, 2026

Trail

Fast

View details for race Eltuck Valley 5K - Lory Summer Trail Series

BRR All-Comers Summer Track & Field Series #5

Boulder, CO

Thursday, August 6th, 2026

1 Mile

View details for race BRR All-Comers Summer Track & Field Series #5

Eldorado Run for the Cure

Eldorado Springs, CO

Thursday, August 6th, 2026

View details for race Eldorado Run for the Cure

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

Dog Days Of Summer 2026

Longmont, CO

Saturday, August 8th, 2026

View details for race Dog Days Of Summer 2026

Summer Sizzler- Denver

Denver, CO

Saturday, August 8th, 2026

1 Mile

10K

View details for race Summer Sizzler- Denver

Dog Days of Summer

Longmont, CO

Saturday, August 8th, 2026

View details for race Dog Days of Summer

The Berkeley Circuit

Denver, CO

Sunday, August 9th, 2026

1 Mile

Fast

View details for race The Berkeley Circuit

Into the Hills Eltuck 10k

Bellvue, CO

Tuesday, August 11th, 2026

10K

Trail

Fast

View details for race Into the Hills Eltuck 10k

Sunrise Stampede

Longmont, CO

Saturday, August 15th, 2026

1 Mile

View details for race Sunrise Stampede

Miles for Migraine Colorado

Denver, CO

Saturday, August 15th, 2026

View details for race Miles for Migraine Colorado

Frontier Academy Community 5K

Greeley, CO

Saturday, August 15th, 2026

View details for race Frontier Academy Community 5K

Cancer League of Colorado Race 4 Research

Denver, CO

Sunday, August 16th, 2026

View details for race Cancer League of Colorado Race 4 Research

Erie Half & 5k

Erie, CO

Sunday, August 16th, 2026

Half

View details for race Erie Half & 5k

Into the Hills Eltuck 5k

Bellvue, CO

Tuesday, August 18th, 2026

Trail

Fast

View details for race Into the Hills Eltuck 5k

Coyote Chase 5k

Louisville, CO

Saturday, August 22nd, 2026

View details for race Coyote Chase 5k

Ram Run

Denver, CO

Saturday, August 22nd, 2026

1 Mile

View details for race Ram Run

Rebel Run 5k

Denver, CO

Sunday, August 23rd, 2026

View details for race Rebel Run 5k

Pioneer Prairie Dog Half, 10k & 5k

Westminster, CO

Sunday, August 23rd, 2026

Half

10K

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

RMRR Fall Marathon Training Series

Thornton, CO

Sunday, August 23rd, 2026

10 Miles

Ultra

View details for race RMRR Fall Marathon Training Series

Eltuck Valley 12K - Lory Summer Trail Series

Bellvue, CO

Tuesday, August 25th, 2026

12K

Trail

Fast

View details for race Eltuck Valley 12K - Lory Summer Trail Series

2 3 Next

Explore more in Windsor, CO

Jump straight to races by distance, month, or type.

Distance

5K 10K Half Marathon Marathon

Month

June July August

Race type

Trail Boston Qualifiers Fast Courses

Run clubs

Run clubs in Windsor

Nearby

Loveland Greeley Fort Collins Berthoud Bellvue Longmont All Colorado races