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Races in Pierce, CO

Running races in or near Pierce, CO

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

See below for a frequently-updated, comprehensive list of upcoming running events in the local Pierce, 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.

Fleet Feet Sports

Running-5K - Individual Age group/open

Organization: Gnar Runners 2015

Date of Race: 12-31-2025

Description: Run out the old year, and welcome the new! Now in ...

Running-25mi - Individual Age group/open

Organization: Gnar Runners 2015

Date of Race: 05-10-2025

Description: Welcome to the Quad Rock 25 50 mile trail race, ...

Running-Half marathon - Individual Age group/open

Organization: Gnar Runners 2015

Date of Race: 09-06-2025

Description: The Black Squirrel Trail Half Marathon takes place on the wonderful ...

Running-Trail-Marathon - Individual Age group/open

Organization: Gnar Runners 2015

Date of Race: 10-18-2025

Description: Taking place on the trails between Horsetooth Mountain Park and the ...

Running-Half marathon - Individual Age group/open

Organization: Gnar Runners 2015

Date of Race: 04-13-2025

Description: Welcome to the 52nd running of the Horsetooth Half Marathon. Your ...

Running-Half marathon - Individual Age group/open

Organization: Gnar Runners 2015

Date of Race: 10-18-2025

Description: Taking place on the trails between Horsetooth Mountain Park and the ...

Running-50 Mile - Individual Age group/open

Organization: Gnar Runners 2015

Date of Race: 05-10-2025

Description: Welcome to the Quad Rock 25 50 mile trail race, ...

Blue Sky Marathon & Half

Organization: Gnar Runners 2015

Date of Race: 10-18-2025

Description: Taking place on the trails between Horsetooth Mountain Park and the ...

Quad Rock 50/25mi

Organization: Gnar Runners 2015

Date of Race: 05-10-2025

Description: Welcome to the Quad Rock 25 50 mile trail race, ...

Resolution Run 5K

Organization: Gnar Runners 2015

Date of Race: 12-31-2025

Description: Run out the old year, and welcome the new! Now in ...

Colorado 24 Hour Run

Organization: Gnar Runners 2015

Date of Race: 11-01-2025

Description: Welcome to the Colorado 24 Hour Run! We aim to provide ...

24 Hour - Individual Age group/open

Organization: Gnar Runners 2015

Date of Race: 11-01-2025

Description: Welcome to the Colorado 24 Hour Run! We aim to provide ...

12 Hour - Individual Age group/open

Organization: Gnar Runners 2015

Date of Race: 11-01-2025

Description: Welcome to the Colorado 24 Hour Run! We aim to provide ...

6 Hour - Individual Age group/open

Organization: Gnar Runners 2015

Date of Race: 11-01-2025

Description: Welcome to the Colorado 24 Hour Run! We aim to provide ...

Black Squirrel Half Marathon

Organization: Gnar Runners 2015

Date of Race: 09-06-2025

Description: The Black Squirrel Trail Half Marathon takes place on the wonderful ...

Horsetooth Half Marathon

Organization: Gnar Runners 2015

Date of Race: 04-13-2025

Description: Welcome to the 52nd running of the Horsetooth Half Marathon. Your ...

FitnessMatchmaker.com

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


More information about Pierce

About Pierce

Pierce (CO) is a town in Weld County with an estimated population of 834.[4]

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In 2014, there were more than 1,100 marathons and more than 541,000 finishers in the U.S.

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