Upcoming Races Near Windsor, CO

Name: Colorado 24 Hour Run
Start: 2025-11-01
End: 2025-11-01
Location: Fort Collins

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Denver: Walk With Autism and Resource Fair

Denver, CO

Saturday, September 20th, 2025

View details for race Denver: Walk With Autism and Resource Fair

Move Forward 5K & 10K

Denver, CO

Saturday, September 20th, 2025

10K

View details for race Move Forward 5K & 10K

2025 Montbello Alive! 5K

Denver, CO

Saturday, September 20th, 2025

View details for race 2025 Montbello Alive! 5K

13th Annual Superhero Event

Greeley, CO

Saturday, September 20th, 2025

10K

1 Mile

View details for race 13th Annual Superhero Event

Farmers 5000

Wheat Ridge, CO

Sunday, September 21st, 2025

View details for race Farmers 5000

Tiger Prowl 5K

Denver, CO

Sunday, September 21st, 2025

View details for race Tiger Prowl 5K

RMRR Fall Marathon Training Series #3

Thornton, CO

Sunday, September 21st, 2025

10 Miles

Ultra

View details for race RMRR Fall Marathon Training Series #3

Red Feather Trail Jamboree

Red Feather Lakes, CO

Friday, September 26th, 2025

Half

Ultra

Trail

View details for race Red Feather Trail Jamboree

Pioneer Prairie Dog Half, 10k & 5k

Westminster, CO

Saturday, September 27th, 2025

Half

10K

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

Lisa Nelson’s Mustang Stampede 5K

Arvada, CO

Saturday, September 27th, 2025

View details for race Lisa Nelson’s Mustang Stampede 5K

Estes Epic

Estes Park, CO

Saturday, September 27th, 2025

Ultra

Trail

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Rising Phoenix Festival & 5K

Loveland, CO

Saturday, September 27th, 2025

View details for race Rising Phoenix Festival & 5K

Runway 5K - Run for the Angels

Broomfield, CO

Saturday, September 27th, 2025

View details for race Runway 5K - Run for the Angels

Lederhosen Race 2025

Red Feather Lakes, CO

Saturday, September 27th, 2025

View details for race Lederhosen Race 2025

WWE ANNUAL RUN WITH THE WOLVES

Arvada, CO

Sunday, September 28th, 2025

View details for race WWE ANNUAL RUN WITH THE WOLVES

Adams 12 Elementary XC

Thornton, CO

Monday, September 29th, 2025

1 Mile

View details for race Adams 12 Elementary XC

Segment Traildown

Fort Collins, CO

Wednesday, October 1st, 2025

View details for race Segment Traildown

Flyin' Ryan Memorial 5k

Greeley, CO

Friday, October 3rd, 2025

View details for race Flyin' Ryan Memorial 5k

Not So Flatt Breast Cancer Awareness Run/Walk –...

Westminster, CO

Saturday, October 4th, 2025

10K

View details for race Not So Flatt Breast Cancer Awareness Run/Walk – 5K & 10K in Denver, CO

PRA Miner Gold Rush

Broomfield, CO

Saturday, October 4th, 2025

1 Mile

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I Can 5k

Thornton, CO

Saturday, October 4th, 2025

View details for race I Can 5k

Big Waves Family 5K run/walk Presented by Brumate

Westminster, CO

Saturday, October 4th, 2025

View details for race Big Waves Family 5K run/walk Presented by Brumate

Rainbow Trail Lutheran Camp's 19th Annual Grace...

Denver, CO

Saturday, October 4th, 2025

Trail

View details for race Rainbow Trail Lutheran Camp's 19th Annual Grace Race 5k

Windsor Marathon, Half Marathon, 10k & 5k

Windsor, CO

Sunday, October 5th, 2025

Marathon

Half

10K

Trail

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

Layafette Music Fest Half-Marathon/10K/5K

Louisville, CO

Sunday, October 5th, 2025

Half

View details for race Layafette Music Fest Half-Marathon/10K/5K

Liberty Energy 5K - Benefiting the Bettering Hu...

Denver, CO

Sunday, October 5th, 2025

View details for race Liberty Energy 5K - Benefiting the Bettering Human Lives Foundation

Healthy Kids Running Series Fall 2025 - Denver, CO

Denver, CO

Sunday, October 5th, 2025

View details for race Healthy Kids Running Series Fall 2025 - Denver, CO

Rolland Moore Park T&H 4K Registration

Fort Collins, CO

Sunday, October 5th, 2025

View details for race Rolland Moore Park T&H 4K Registration

Strides for Sierra 5K run/walk

Arvada, CO

Sunday, October 5th, 2025

View details for race Strides for Sierra 5K run/walk

The Long View Marathon

Fort Collins, CO

Saturday, October 11th, 2025

Marathon

Half

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Gummball 5K

Brighton, CO

Saturday, October 11th, 2025

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Boulder XC Series Meet 1

Boulder, CO

Saturday, October 11th, 2025

View details for race Boulder XC Series Meet 1

Joy & Justice 5k

Timnath, CO

Sunday, October 12th, 2025

1 Mile

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Westy Half & 5k

Westminster, CO

Sunday, October 12th, 2025

Half

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The bRUNch Run™

Denver, CO

Sunday, October 12th, 2025

10K

15K

View details for race The bRUNch Run™

2025 DU Crimson Classic 5K Run/1.5 Mile Walk

Denver, CO

Tuesday, October 14th, 2025

View details for race 2025 DU Crimson Classic 5K Run/1.5 Mile Walk

Boulder Turkey Trot Training Program

Boulder, CO

Wednesday, October 15th, 2025

View details for race Boulder Turkey Trot Training Program

Blue Sky Trail Marathon & Half Marathon

Fort Collins, CO

Saturday, October 18th, 2025

Trail

View details for race Blue Sky Trail Marathon & Half Marathon

Blue Sky Marathon & Half

Fort Collins, CO

Saturday, October 18th, 2025

Half

Marathon

View details for race Blue Sky Marathon & Half

Homecoming 5k - Colorado State University

Fort Collins, CO

Saturday, October 18th, 2025

View details for race Homecoming 5k - Colorado State University

DU Crimson Classic 5K Run/1.5 Mile Walk

Denver, CO

Wednesday, October 22nd, 2025

1 Mile

View details for race DU Crimson Classic 5K Run/1.5 Mile Walk

2025 Redrum Fun Run

Greeley, CO

Saturday, October 25th, 2025

View details for race 2025 Redrum Fun Run

2025 Eerie Erie

Erie, CO

Saturday, October 25th, 2025

10K

View details for race 2025 Eerie Erie

Race to Cure Sarcoma Denver

Denver, CO

Saturday, October 25th, 2025

View details for race Race to Cure Sarcoma Denver

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

Arvada, CO

Saturday, October 25th, 2025

1 Mile

View details for race Apex Foundation Trick or Trot 5K & Kids' Halloween Hunt

Ghosts and Goblins 5K/10K

Denver, CO

Sunday, October 26th, 2025

View details for race Ghosts and Goblins 5K/10K

Narrowleaf Lake Run & Pumpkin Run

Loveland, CO

Sunday, October 26th, 2025

1 Mile

10K

15K

View details for race Narrowleaf Lake Run & Pumpkin Run

The 13th Annual Odyssey Odyssey - 2025

Denver, CO

Sunday, October 26th, 2025

1 Mile

View details for race The 13th Annual Odyssey Odyssey - 2025

11th edition Sole Mates 5k & Brew Fest presente...

Longmont, CO

Saturday, November 1st, 2025

View details for race 11th edition Sole Mates 5k & Brew Fest presented by Shoes & Brews and Left Hand Brewing

Colorado 24 Hour Run

Fort Collins, CO

Saturday, November 1st, 2025

View details for race Colorado 24 Hour Run

Explore more in Windsor, CO

Distances:

5K 10K Half Marathon Marathon

Months:

September October November

Tags:

Trail Boston Qualifiers Fast Courses

State:

All Colorado races

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