Running races in or near Loveland, CO
Marathons, 1-milers, 5Ks, half-marathons, 10Ks & more
See below for a frequently-updated, comprehensive list of upcoming running events in the local Loveland, 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 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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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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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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Running-5K - Individual Age group/open
Organization: Gnar Runners 2015
Date of Race: 12-31-2025
Description: Run out the old year, and welcome the new! Now in ...
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Running-Trail-Marathon - Individual Age group/open
Organization: Gnar Runners 2015
Date of Race: 10-18-2025
Description: Taking place on the trails between Horsetooth Mountain Park and the ...
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Running-Half marathon - Individual Age group/open
Organization: Gnar Runners 2015
Date of Race: 10-18-2025
Description: Taking place on the trails between Horsetooth Mountain Park and the ...
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Blue Sky Marathon & Half
Organization: Gnar Runners 2015
Date of Race: 10-18-2025
Description: Taking place on the trails between Horsetooth Mountain Park and the ...
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24 Hour - Individual Age group/open
Organization: Gnar Runners 2015
Date of Race: 11-01-2025
Description: Welcome to the Colorado 24 Hour Run! We aim to provide ...
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12 Hour - Individual Age group/open
Organization: Gnar Runners 2015
Date of Race: 11-01-2025
Description: Welcome to the Colorado 24 Hour Run! We aim to provide ...
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6 Hour - Individual Age group/open
Organization: Gnar Runners 2015
Date of Race: 11-01-2025
Description: Welcome to the Colorado 24 Hour Run! We aim to provide ...
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Resolution Run 5K
Organization: Gnar Runners 2015
Date of Race: 12-31-2025
Description: Run out the old year, and welcome the new! Now in ...
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Colorado 24 Hour Run
Organization: Gnar Runners 2015
Date of Race: 11-01-2025
Description: Welcome to the Colorado 24 Hour Run! We aim to provide ...
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Complete list of running events in and near Loveland, CO: Marathons, 1-milers, 5Ks, half-marathons, 10Ks, obstacle courses, walking events & more.
More information about Loveland
About Loveland
Loveland (CO) is a city in Larimer County with an estimated population of 66,859.[4]
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Did you know?
In 2015, the 5K maintained the #1 position of all race distances with 7.6 million finishers (U.S.).
