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.
Senior (60+) 5K - Individual Age group/open
Organization: Optimist Club of Erie, Colorado
Date of Race: 10-25-2025
Description: The world-famous Eerie Erie is a Halloweenthemed 5k and ...
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Senior (60+) 10K - Individual Age group/open
Organization: Optimist Club of Erie, Colorado
Date of Race: 10-25-2025
Description: The world-famous Eerie Erie is a Halloweenthemed 5k and ...
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16 and under 10K - Individual Age group/open
Organization: Optimist Club of Erie, Colorado
Date of Race: 10-25-2025
Description: The world-famous Eerie Erie is a Halloweenthemed 5k and ...
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Adult (17+) 5K - Individual Age group/open
Organization: Optimist Club of Erie, Colorado
Date of Race: 10-25-2025
Description: The world-famous Eerie Erie is a Halloweenthemed 5k and ...
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Adult (17+) 10K - Individual Age group/open
Organization: Optimist Club of Erie, Colorado
Date of Race: 10-25-2025
Description: The world-famous Eerie Erie is a Halloweenthemed 5k and ...
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16 and under 5K - Individual Age group/open
Organization: Optimist Club of Erie, Colorado
Date of Race: 10-25-2025
Description: The world-famous Eerie Erie is a Halloweenthemed 5k and ...
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2025 Eerie Erie
Organization: Optimist Club of Erie, Colorado
Date of Race: 10-25-2025
Description: The world-famous Eerie Erie is a Halloweenthemed 5k and ...
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Run with the Buffalo Fun Run: 2.5 Mile ...
Organization: Commerce City Recreation Department
Date of Race: 12-06-2025
Description: DescriptionJoin us for our annual Run with the Buffalo Ugly ...
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Run with the Buffalo Fun Run: 5K Distance
Organization: Commerce City Recreation Department
Date of Race: 12-06-2025
Description: DescriptionJoin us for our annual Run with the Buffalo ...
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Price
Organization: Valor Christian High School
Date of Race: 09-16-2025
Description: DescriptionJoin us for our annual Run with the Buffalo ...
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2025 Fall Cheer - Valor Mini Cheer Clinic
Organization: Valor Christian High School
Date of Race: 09-16-2025
Description: Please join us for our annual Valor Mini Cheer camp the ...
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Run Series: Turkey Day 5K FUN Run/Walk
Organization: Parker Parks and Recreation
Date of Race: 11-27-2025
Description: DescriptionOnline registration is not taken through Parker Recreation for ...
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Therapeutic Rec: RunAbilities FUN Walk/Run/Roll FALL25
Organization: Parker Parks and Recreation
Date of Race: 10-04-2025
Description: DescriptionOnline registration is not taken through Parker Recreation for ...
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Soccer Tots by SuperTots Sports 2yrs to 2yrs ...
Organization: Commerce City Recreation Department
Date of Race: 10-24-2025
Description: DescriptionSoccerTots is our flagship program! ...
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Soccer Tots by SuperTots Sports 3yrs to 3yrs ...
Organization: Commerce City Recreation Department
Date of Race: 10-24-2025
Description: DescriptionSoccerTots is our flagship program! ...
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Soccer Tots by SuperTots Sports 2yrs to 2yrs ...
Organization: Commerce City Recreation Department
Date of Race: 10-24-2025
Description: DescriptionSoccerTots is our flagship program! ...
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Soccer Tots by SuperTots Sports 2yrs to 2yrs ...
Organization: Commerce City Recreation Department
Date of Race: 10-24-2025
Description: DescriptionSoccerTots is our flagship program! ...
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Soccer Tots by SuperTots Sports 3yrs to 3yrs ...
Organization: Commerce City Recreation Department
Date of Race: 10-24-2025
Description: DescriptionSoccerTots is our flagship program! ...
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Soccer Tots by SuperTots Sports 3yrs to 3yrs ...
Organization: Commerce City Recreation Department
Date of Race: 10-24-2025
Description: DescriptionSoccerTots is our flagship program! ...
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Soccer Tots by SuperTots 2yrs to 2yrs 11m ...
Organization: Commerce City Recreation Department
Date of Race: 10-17-2025
Description: DescriptionSoccerTots is our flagship program! Our classes ...
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Soccer Tots by SuperTots 2yrs to 2yrs 11m ...
Organization: Commerce City Recreation Department
Date of Race: 10-17-2025
Description: DescriptionSoccerTots is our flagship program! Our classes ...
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Soccer Tots by SuperTots 2yrs to 2yrs 11m ...
Organization: Commerce City Recreation Department
Date of Race: 10-17-2025
Description: DescriptionSoccerTots is our flagship program! Our classes ...
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Soccer Tots by SuperTots 3yrs to 3yrs 11m ...
Organization: Commerce City Recreation Department
Date of Race: 10-17-2025
Description: DescriptionSoccerTots is our flagship program! Our classes ...
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Soccer Tots by SuperTots 3yrs to 3yrs 11m ...
Organization: Commerce City Recreation Department
Date of Race: 10-17-2025
Description: DescriptionSoccerTots is our flagship program! Our classes ...
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Soccer Tots by SuperTots 3yrs to 3yrs 11m ...
Organization: Commerce City Recreation Department
Date of Race: 10-17-2025
Description: DescriptionSoccerTots is our flagship program! Our classes ...
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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?
Historically, more marathons are run in the month of October than any other month (in the U.S.).
