Running Races in 80021 (Broomfield, CO)
Marathons, 1-milers, 5Ks, half-marathons, 10Ks & more in or near 80021
See below for a frequently-updated, comprehensive list of upcoming running events in the local Broomfield, 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.
16 and under 5K - Individual Age group/open
Organization: Optimist Club of Erie, Colorado
Date of Race: 10-31-2026
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: 10-31-2026
Description: The world-famous Eerie Erie is a Halloweenthemed 5k and ...
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Senior (60+) 5K - Individual Age group/open
Organization: Optimist Club of Erie, Colorado
Date of Race: 10-31-2026
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: 10-31-2026
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: 10-31-2026
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: 10-31-2026
Description: The world-famous Eerie Erie is a Halloweenthemed 5k and ...
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2026 Eerie Erie
Organization: Optimist Club of Erie, Colorado
Date of Race: 10-31-2026
Description: The world-famous Eerie Erie is a Halloweenthemed 5k and ...
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Friendsgiving
Organization: Commerce City Recreation Department
Date of Race: 11-19-2026
Description: DescriptionJoin us for a Friendsgiving Potluck! Bring your favorite holiday dish ...
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Turkey Burn
Organization: Fort Lupton Recreation Center
Date of Race: 11-26-2026
Description: DescriptionStart your Thanksgiving the right Way! Join us for a ...
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Bright Nights at Four Mile Historic Park
Organization: Fort Lupton Recreation Center
Date of Race: 10-28-2026
Description: Age GroupSeniors
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Fitness Walk
Organization: Heather Gardens Association
Date of Race: 09-15-2026
Description: DescriptionFitness Walk Registration FREE. Start the Day with a ...
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Puzzling Competition
Organization: Commerce City Recreation Department
Date of Race: 08-27-2026
Description: DescriptionPut your problem-solving skills to the test in this exciting puzzlingcompetition! ...
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Wildland Firefighter Safety
Organization: Commerce City Recreation Department
Date of Race: 09-09-2026
Description: Description
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Walk to End Alzheimer's (9/19)
Organization: Commerce City Recreation Department
Date of Race: 09-19-2026
Description: DescriptionLace up and take steps toward a world without Alzheimer's! This ...
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Middle School Cross Country - RMAE
Organization: Evergreen Park & Recreation District
Date of Race: 08-24-2026
Description: DescriptionFall 2026 JeffCo League MS Cross CountryAug 24 - Oct 14RMAE ...
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Giants of the Plains Nature Walk
Organization: Commerce City Recreation Department
Date of Race: 11-15-2026
Description: Description
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Run with the Buffalo Fun Run: 5K Distance
Organization: Commerce City Recreation Department
Date of Race: 12-05-2026
Description: DescriptionInternet Registration has not begun yet. Check Registration Dates in ...
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Run with the Buffalo Fun Run: 2.5 Mile ...
Organization: Commerce City Recreation Department
Date of Race: 12-05-2026
Description: DescriptionInternet Registration has not begun yet. Check Registration Dates in ...
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Mack Cross Country Team with Coach Mike
Organization: Mackintosh Academy Boulder
Date of Race: 08-25-2026
Description: Join our Mack Cross Country Team for the Fall season! Practices ...
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Dinner out – Cherry Cricket (11/30)
Organization: Commerce City Recreation Department
Date of Race: 11-30-2026
Description: Description Long-running hub with build-your-own burgers among other American staples & ...
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Dinner out – Cherry Cricket (11/30)
Organization: Commerce City Recreation Department
Date of Race: 11-30-2026
Description: Description Long-running hub with build-your-own burgers among other American staples & ...
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Dinner out – Cherry Cricket (11/30)
Organization: Commerce City Recreation Department
Date of Race: 11-30-2026
Description: Description Long-running hub with build-your-own burgers among other American staples & ...
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Soccer Tots by SuperTots Sports 3yrs 7m to ...
Organization: Commerce City Recreation Department
Date of Race: 09-10-2026
Description: DescriptionSoccerTots is our flagship program! Our classes ...
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Soccer Tots by SuperTots Sports 2yrs 7m to ...
Organization: Commerce City Recreation Department
Date of Race: 10-05-2026
Description: DescriptionSoccerTots is our flagship program! Our classes ...
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Complete list of running events in and near Broomfield, CO: Marathons, 1-milers, 5Ks, half-marathons, 10Ks, obstacle courses, walking events & more.
More information about 80021
About Broomfield
The ZIP Code 80021 is associated with the city of Broomfield in Jefferson County in the state of Colorado.
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Did you know?
In 2014, 57% of marathon finishers in the U.S. were men; women made up 43% of finishers.
