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Races in Westminster, CO

Running races in or near Westminster, CO

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

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

Saucony

Muddy Dash - Standard Registration

Organization: Viral Run

Date of Race: 05-10-2025

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

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 - VIP Registration

Organization: Viral Run

Date of Race: 06-21-2025

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

Muddy Dash | Denver | May 10th, 2025

Organization: Viral Run

Date of Race: 05-10-2025

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

Bubble Run | Denver | June 21st

Organization: Viral Run

Date of Race: 06-21-2025

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

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 ...

Bubble Run - Value Registrations

Organization: Viral Run

Date of Race: 06-21-2025

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

Bubble Run - Standard Registration

Organization: Viral Run

Date of Race: 06-21-2025

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

Run with the Buffalo Fun Run: 2.5 Mile ...

Organization: Commerce City Recreation Department

Date of Race: 12-07-2024

Description: DescriptionJoin us for our annual Run with the Buffalo Ugly ...

2025 Wicked Wine Run Denver, CO

Organization: Wicked Wine Run

Date of Race: 05-10-2025

Description: Whether you’re a seasoned runner or just love to walk and ...

Run with the Buffalo Fun Run: 5K Distance

Organization: Commerce City Recreation Department

Date of Race: 12-07-2024

Description: DescriptionJoin us for our annual Run with the Buffalo ...

Volunteer then Run! - Individual

Organization: Wicked Wine Run

Date of Race: 05-10-2025

Description: Whether you’re a seasoned runner or just love to walk and ...

1K TASTING WALK - Individual

Organization: Wicked Wine Run

Date of Race: 05-10-2025

Description: Whether you’re a seasoned runner or just love to walk and ...

5K WICKED WINE RUN - Individual

Organization: Wicked Wine Run

Date of Race: 05-10-2025

Description: Whether you’re a seasoned runner or just love to walk and ...

BOTH 5K + 1K! - Individual

Organization: Wicked Wine Run

Date of Race: 05-10-2025

Description: Whether you’re a seasoned runner or just love to walk and ...

Valentine's Date with Mom

Organization: Commerce City Recreation Department

Date of Race: 02-12-2025

Description: DescriptionInternet Registration has not begun yet. Check Registration Dates in ...

Birding for All - December

Organization: Bird Conservancy of the Rockies

Date of Race: 12-10-2024

Description: Join Bird Conservancy of the Rockies as we partner with Birdability® ...

Dungeon Delvers with Renaissance Adventures - EVERY Friday!

Organization: Mack Boulder

Date of Race: 12-06-2024

Description: Join our dynamic game masters and story crafters for an in-person ...

Run Series: Turkey Day 5K FUN Run/Walk

Organization: Parker Parks and Recreation

Date of Race: 11-28-2024

Description: DescriptionOnline registration is not taken through Parker Recreation for ...

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Organization: Mighty Movement

Date of Race: 07-14-2025

Description: DescriptionOnline registration is not taken through Parker Recreation for ...

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Organization: Mighty Movement

Date of Race: 06-30-2025

Description: DescriptionOnline registration is not taken through Parker Recreation for ...

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Organization: Mighty Movement

Date of Race: 07-28-2025

Description: DescriptionOnline registration is not taken through Parker Recreation for ...

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Organization: Mighty Movement

Date of Race: 07-07-2025

Description: DescriptionOnline registration is not taken through Parker Recreation for ...

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Organization: Mighty Movement

Date of Race: 06-09-2025

Description: DescriptionOnline registration is not taken through Parker Recreation for ...

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Organization: Mighty Movement

Date of Race: 07-21-2025

Description: DescriptionOnline registration is not taken through Parker Recreation for ...

Road Runner Sports

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


More information about Westminster

About Westminster

Westminster (CO) is a city in Adams County with an estimated population of 106,114.[4]

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Did you know?

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

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