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.
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 ...
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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 ...
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Bubble Run - VIP Registration
Organization: Viral Run
Date of Race: 06-21-2025
Description: If you’ve done a traditional 5K, you know ...
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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 ...
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Bubble Run | Denver | June 21st
Organization: Viral Run
Date of Race: 06-21-2025
Description: If you’ve done a traditional 5K, you know ...
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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 ...
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Bubble Run - Value Registrations
Organization: Viral Run
Date of Race: 06-21-2025
Description: If you’ve done a traditional 5K, you know ...
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Bubble Run - Standard Registration
Organization: Viral Run
Date of Race: 06-21-2025
Description: If you’ve done a traditional 5K, you know ...
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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 ...
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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 ...
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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 ...
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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 ...
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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 ...
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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 ...
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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 ...
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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 ...
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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® ...
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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 ...
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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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<< SELECT SESSION
Organization: Mighty Movement
Date of Race: 07-07-2025
Description: DescriptionOnline registration is not taken through Parker Recreation for ...
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<< SELECT SESSION
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 ...
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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.