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Upcoming Races Near Idaho Springs, CO in October, 2025

2025 DU Crimson Classic 5K Run/1.5 Mile Walk

Denver, CO

Tuesday, October 14th, 2025

Featured

5K

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

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Boulder Turkey Trot Training Program

Boulder, CO

Wednesday, October 15th, 2025

View details for race Boulder Turkey Trot Training Program

Indian Creek Trail Runs

Sedalia, CO

Saturday, October 18th, 2025

Trail

View details for race Indian Creek Trail Runs

The Great Trailhead Foot Race 10 Miler & 5k

Lakewood, CO

Saturday, October 18th, 2025

10 Miles

5K

Trail

View details for race The Great Trailhead Foot Race 10 Miler & 5k

Expo Park XC Runs

Aurora, CO

Sunday, October 19th, 2025

5K

View details for race Expo Park XC Runs

Fleet Feet Denver Turkey Trot Training Program

Littleton, CO

Tuesday, October 21st, 2025

5K

Fast

View details for race Fleet Feet Denver Turkey Trot Training Program

DU Crimson Classic 5K Run/1.5 Mile Walk

Denver, CO

Wednesday, October 22nd, 2025

5K

1 Mile

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

2025 Eerie Erie

Erie, CO

Saturday, October 25th, 2025

10K

5K

Trail

View details for race 2025 Eerie Erie

Apex Foundation Trick or Trot 5K & Halloween Hunt

Arvada, CO

Saturday, October 25th, 2025

5K

1 Mile

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

McGraw Memorial Park "Quick Draw @ McGraw" 2 Mi...

Bailey, CO

Saturday, October 25th, 2025

Trail

View details for race McGraw Memorial Park "Quick Draw @ McGraw" 2 Mile Trail Race

Race to Cure Sarcoma Denver

Denver, CO

Saturday, October 25th, 2025

5K

View details for race Race to Cure Sarcoma Denver

Halloween Fun Run 5k & 1mile - Zombie Theme

Idaho Springs, CO

Saturday, October 25th, 2025

5K

1 Mile

View details for race Halloween Fun Run 5k & 1mile - Zombie Theme

Fleet Feet Denver Just the Long Runs Fall Session

Littleton, CO

Sunday, October 26th, 2025

5K

Trail

View details for race Fleet Feet Denver Just the Long Runs Fall Session

The 13th Annual Odyssey Odyssey - 2025

Denver, CO

Sunday, October 26th, 2025

5K

1 Mile

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

Ghosts and Goblins 5K/10K

Denver, CO

Sunday, October 26th, 2025

5K

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

Explore more in Idaho Springs, CO

Distances:

5K 10K Half Marathon Marathon

Months:

October November December

Tags:

Trail Boston Qualifiers Fast Courses

State:

All Colorado races

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