Running races in or near Johnstown, CO
Marathons, 1-milers, 5Ks, half-marathons, 10Ks & more
See below for a frequently-updated, comprehensive list of upcoming running events in the local Johnstown, 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.
Running-5K - 15 And Under Youth
Organization: Turner Middle School
Date of Race: 05-03-2025
Description: All participants are welcome. Come challenge yourself to be the best.
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Running-5K - 16 and Older Adult Registration
Organization: Turner Middle School
Date of Race: 05-03-2025
Description: All participants are welcome. Come challenge yourself to be the best.
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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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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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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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21st Annual Bob Turner Classic 5k Run/Walk
Organization: Turner Middle School
Date of Race: 05-03-2025
Description: All participants are welcome. Come challenge yourself to be the best.
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Complete list of running events in and near Johnstown, CO: Marathons, 1-milers, 5Ks, half-marathons, 10Ks, obstacle courses, walking events & more.
More information about Johnstown
About Johnstown
Johnstown (CO) is a town in Weld County with an estimated population of 9,887.[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.).
