Upcoming Races Near Greeley, CO in October, 2025

Name: Narrowleaf Lake Run & Pumpkin Run
Start: 2025-10-26
End: 2025-10-26
Location: Loveland

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Flyin' Ryan Memorial 5k

Greeley, CO

Friday, October 3rd, 2025

View details for race Flyin' Ryan Memorial 5k

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

Big Waves Family 5K run/walk Whiteout Presented...

Westminster, CO

Saturday, October 4th, 2025

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

PRA Miner Gold Rush

Broomfield, CO

Saturday, October 4th, 2025

1 Mile

View details for race PRA Miner Gold Rush

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

I Can 5k

Thornton, CO

Saturday, October 4th, 2025

View details for race I Can 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

Strides for Sierra 5K run/walk

Arvada, CO

Sunday, October 5th, 2025

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

RMRR October Trophy Series

Aurora, CO

Sunday, October 5th, 2025

Fast

View details for race RMRR October Trophy Series

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

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

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

The Long View Marathon

Fort Collins, CO

Saturday, October 11th, 2025

Marathon

Half

View details for race The Long View Marathon

Gummball 5K

Brighton, CO

Saturday, October 11th, 2025

View details for race Gummball 5K

Boulder XC Series Meet 1

Boulder, CO

Saturday, October 11th, 2025

View details for race Boulder XC Series Meet 1

ASDAsh 5k

Aurora, CO

Saturday, October 11th, 2025

View details for race ASDAsh 5k

Westy Half & 5k

Westminster, CO

Sunday, October 12th, 2025

Half

View details for race Westy Half & 5k

Joy & Justice 5k

Timnath, CO

Sunday, October 12th, 2025

1 Mile

View details for race Joy & Justice 5k

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 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

Blue Sky Trail Marathon & Half Marathon

Fort Collins, CO

Saturday, October 18th, 2025

Trail

View details for race Blue Sky Trail Marathon & Half Marathon

Expo Park XC Runs

Aurora, CO

Sunday, October 19th, 2025

View details for race Expo Park XC Runs

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

Apex Foundation Trick or Trot 5K & Halloween Hu...

Arvada, CO

Saturday, October 25th, 2025

1 Mile

View details for race Apex Foundation Trick or Trot 5K & Halloween Hunt presented by Intermountain Health

Race to Cure Sarcoma Denver

Denver, CO

Saturday, October 25th, 2025

View details for race Race to Cure Sarcoma Denver

2025 Eerie Erie

Erie, CO

Saturday, October 25th, 2025

10K

Trail

View details for race 2025 Eerie Erie

The 13th Annual Odyssey Odyssey - 2025

Denver, CO

Sunday, October 26th, 2025

1 Mile

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

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

Explore more in Greeley, 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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