Running races in or near Lyons, CO
Marathons, 1-milers, 5Ks, half-marathons, 10Ks & more
See below for a frequently-updated, comprehensive list of upcoming running events in the local Lyons, 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 - 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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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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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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Water Safety Info Session
Organization: BOULDER PARKS & RECREATION (w)
Date of Race: 12-14-2024
Description: DescriptionHave you ever wanted to know more about water safety in ...
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Water Safety Info Session
Organization: BOULDER PARKS & RECREATION (w)
Date of Race: 12-14-2024
Description: DescriptionHave you ever wanted to know more about water safety in ...
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Water Safety Info Session
Organization: BOULDER PARKS & RECREATION (w)
Date of Race: 12-14-2024
Description: DescriptionHave you ever wanted to know more about water safety in ...
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Cross Training for Endurance Sports
Organization: BOULDER PARKS & RECREATION (w)
Date of Race: 02-20-2025
Description: DescriptionInternet Registration has not begun yet. Check Registration Dates in ...
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Cross Training for Endurance Sports
Organization: BOULDER PARKS & RECREATION (w)
Date of Race: 01-09-2025
Description: DescriptionInternet Registration has not begun yet. Check Registration Dates in ...
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Cross Training for Endurance Sports
Organization: BOULDER PARKS & RECREATION (w)
Date of Race: 01-09-2025
Description: DescriptionInternet Registration has not begun yet. Check Registration Dates in ...
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Cross Training for Endurance Sports
Organization: BOULDER PARKS & RECREATION (w)
Date of Race: 01-07-2025
Description: DescriptionInternet Registration has not begun yet. Check Registration Dates in ...
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Cross Training for Endurance Sports
Organization: BOULDER PARKS & RECREATION (w)
Date of Race: 01-07-2025
Description: DescriptionInternet Registration has not begun yet. Check Registration Dates in ...
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Cross Training for Endurance Sports
Organization: BOULDER PARKS & RECREATION (w)
Date of Race: 01-09-2025
Description: DescriptionInternet Registration has not begun yet. Check Registration Dates in ...
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Cross Training for Endurance Sports
Organization: BOULDER PARKS & RECREATION (w)
Date of Race: 02-20-2025
Description: DescriptionInternet Registration has not begun yet. Check Registration Dates in ...
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Cross Training for Endurance Sports
Organization: BOULDER PARKS & RECREATION (w)
Date of Race: 02-20-2025
Description: DescriptionInternet Registration has not begun yet. Check Registration Dates in ...
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Cross Training for Endurance Sports
Organization: BOULDER PARKS & RECREATION (w)
Date of Race: 01-07-2025
Description: DescriptionInternet Registration has not begun yet. Check Registration Dates in ...
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Cross Training for Endurance Sports
Organization: BOULDER PARKS & RECREATION (w)
Date of Race: 02-18-2025
Description: DescriptionInternet Registration has not begun yet. Check Registration Dates in ...
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Cross Training for Endurance Sports
Organization: BOULDER PARKS & RECREATION (w)
Date of Race: 02-18-2025
Description: DescriptionInternet Registration has not begun yet. Check Registration Dates in ...
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Cross Training for Endurance Sports
Organization: BOULDER PARKS & RECREATION (w)
Date of Race: 02-18-2025
Description: DescriptionInternet Registration has not begun yet. Check Registration Dates in ...
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Coach Mike's Winter Movement with Mike Holloway - ...
Organization: Mack Boulder
Date of Race: 11-21-2024
Description: Join Coach Mike's Winter Movement after school on Thursdays! We will ...
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Complete list of running events in and near Lyons, CO: Marathons, 1-milers, 5Ks, half-marathons, 10Ks, obstacle courses, walking events & more.
More information about Lyons
About Lyons
Lyons (CO) is a town in Boulder County with an estimated population of 2,033.[4]
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Did you know?
The number of U.S. marathon finishers declined from 2014 to 2015 approximately 8 percent.
