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Races in Louisville, CO

Running races in or near Louisville, CO

Marathons, 1-milers, 5Ks, half-marathons, 10Ks & more

See below for a frequently-updated, comprehensive list of upcoming running events in the local Louisville, CO area. Races listed here include both walking and running events of various distances — from 1-milers, to 5Ks, to marathons, and everything else in between.

Road Runner Sports

Running-5K - Team of 5

Organization: Buffs4Life

Date of Race: 06-22-2025

Description: SUNDAY, JUNE 25-8AM START AND FINISH AT ...

Running-5K - Team of 3

Organization: Buffs4Life

Date of Race: 06-22-2025

Description: SUNDAY, JUNE 25-8AM START AND FINISH AT ...

Running-5K - Team of 4

Organization: Buffs4Life

Date of Race: 06-22-2025

Description: SUNDAY, JUNE 25-8AM START AND FINISH AT ...

Running-5K - Individual Age group/open

Organization: Buffs4Life

Date of Race: 06-22-2025

Description: SUNDAY, JUNE 25-8AM START AND FINISH AT ...

Running-5K - Couples / Team of 2

Organization: Buffs4Life

Date of Race: 06-22-2025

Description: SUNDAY, JUNE 25-8AM START AND FINISH AT ...

Running-5K - 15 And Under Youth

Organization: Turner Middle School

Date of Race: 05-03-2025

Description: All participants are welcome. Come challenge yourself to be the best.

Half marathon - Individual Age group/open

Organization: Five Star NTP

Date of Race: 08-03-2025

Description: Have you been dreaming of running Boston? Need to shave a ...

Trail Race Training Series- Aug 18-Sept 10

Organization: Evergreen Park & Recreation District

Date of Race: 08-18-2025

Description: DescriptionJoin Coach Jay Steinberg for weekly training sessions to prepare for ...

Trail Race Training Series- May 26-June 18

Organization: Evergreen Park & Recreation District

Date of Race: 05-26-2025

Description: DescriptionJoin Coach Jay Steinberg for weekly training sessions to prepare for ...

Muddy Dash - VIP Registration 💎

Organization: Viral Run

Date of Race: 05-10-2025

Description: Muddy Dash is not your average mud run! Get ready for ...

Bergen Peak Half Marathon Trail Race- Sept 13

Organization: Evergreen Park & Recreation District

Date of Race: 09-13-2025

Description: DescriptionBergen Peak runners will experience the rolling hills of Elk Meadow ...

Marathon - Individual Age group/open

Organization: Five Star NTP

Date of Race: 08-03-2025

Description: Have you been dreaming of running Boston? Need to shave a ...

Colorado Cross Country Summer Camp

Organization: Colorado Track & Cross Country Camps

Date of Race: 07-07-2025

Description: Nestled 5,430 feet above sea level, Boulder, Colorado is renowned as ...

Trail Race Training Series- June 23-July 9

Organization: Evergreen Park & Recreation District

Date of Race: 06-23-2025

Description: DescriptionJoin Coach Jay Steinberg for weekly training sessions to prepare for ...

Price

Organization: Colorado Track & Cross Country Camps

Date of Race: 07-07-2025

Description: DescriptionJoin Coach Jay Steinberg for weekly training sessions to prepare for ...

I'm Bound for Boston Marathon & Half Marathon ...

Organization: Five Star NTP

Date of Race: 08-03-2025

Description: Have you been dreaming of running Boston? Need to shave a ...

Elk Meadow 10k Trail Race- June 21

Organization: Evergreen Park & Recreation District

Date of Race: 06-21-2025

Description: DescriptionThis 10K race leads runners throughout the rolling hills of Elk ...

13th Annual Buffs4Life 5k Walk/Run

Organization: Buffs4Life

Date of Race: 06-22-2025

Description: SUNDAY, JUNE 25-8AM START AND FINISH AT ...

Bubble Run - Exclusive VIP Registration- R̶e̶g̶u̶l̶a̶r̶ P̶r̶i̶c̶e̶ ...

Organization: Viral Run

Date of Race: 06-21-2025

Description: If you’ve done a traditional 5K, you know ...

Trail Race Training Series- July 13-July 30

Organization: Evergreen Park & Recreation District

Date of Race: 07-14-2025

Description: DescriptionJoin Coach Jay Steinberg for weekly training sessions to prepare for ...

Running-5K - 16 and Older Adult Registration

Organization: Turner Middle School

Date of Race: 05-03-2025

Description: All participants are welcome. Come challenge yourself to be the best.

Bubble Run - Value Registrations- R̶e̶g̶u̶l̶a̶r̶ P̶r̶i̶c̶e̶ $̶5̶4̶.̶9̶5̶

Organization: Viral Run

Date of Race: 06-21-2025

Description: If you’ve done a traditional 5K, you know ...

Muddy Dash - Value Registration

Organization: Viral Run

Date of Race: 05-10-2025

Description: Muddy Dash is not your average mud run! Get ready for ...

Bubble Run | Denver

Organization: Viral Run

Date of Race: 06-21-2025

Description: If you’ve done a traditional 5K, you know ...

Muddy Dash | Denver

Organization: Viral Run

Date of Race: 05-10-2025

Description: Muddy Dash is not your average mud run! Get ready for ...

Road Runner Sports

Complete list of running events in and near Louisville, CO: Marathons, 1-milers, 5Ks, half-marathons, 10Ks, obstacle courses, walking events & more.


More information about Louisville

About Louisville

Louisville (CO) is a city in Boulder County with an estimated population of 18,376.[4]

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Did you know?

The number of U.S. marathon finishers declined from 2014 to 2015 approximately 8 percent.

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