Running races in or near Cosmopolis, WA
Marathons, 1-milers, 5Ks, half-marathons, 10Ks & more
See below for a frequently-updated, comprehensive list of upcoming running events in the local Cosmopolis, WA 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-Half 13.1 - Individual Age group/open
Organization: Sammamish Running
Date of Race: 05-18-2025
Description: Join us for the inaugural running of the Sharky's Ocean Shores ...
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Sharky's Ocean Shores Half 13.1
Organization: Sammamish Running
Date of Race: 05-18-2025
Description: Join us for the inaugural running of the Sharky's Ocean Shores ...
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Triathlon-Super Sprint - Individual Age group/open
Organization: Sammamish Running
Date of Race: 07-13-2025
Description: Join us for the Sharky's Ocean Shores Triathlon - 1/4-mile swim ...
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Triathlon-Sprint - Individual Age group/open
Organization: Sammamish Running
Date of Race: 07-13-2025
Description: Join us for the Sharky's Ocean Shores Triathlon - 1/4-mile swim ...
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Duathlon - Bike Run - Individual Age group/open
Organization: Sammamish Running
Date of Race: 07-13-2025
Description: Join us for the Sharky's Ocean Shores Triathlon - 1/4-mile swim ...
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Triathlon-Sprint - Group-registration team Age group/open
Organization: Sammamish Running
Date of Race: 07-13-2025
Description: Join us for the Sharky's Ocean Shores Triathlon - 1/4-mile swim ...
View Race Details View on Map
Duathlon - Bike Run - Individual Age group/open
Organization: Sammamish Running
Date of Race: 07-13-2025
Description: Join us for the Sharky's Ocean Shores Triathlon - 1/4-mile swim ...
View Race Details View on Map
Sharky's Ocean Shores Triathlon
Organization: Sammamish Running
Date of Race: 07-13-2025
Description: Join us for the Sharky's Ocean Shores Triathlon - 1/4-mile swim ...
View Race Details View on Map
Triathlon-Super Sprint - Group-registration team Age group/open
Organization: Sammamish Running
Date of Race: 07-13-2025
Description: Join us for the Sharky's Ocean Shores Triathlon - 1/4-mile swim ...
View Race Details View on Map
Complete list of running events in and near Cosmopolis, WA: Marathons, 1-milers, 5Ks, half-marathons, 10Ks, obstacle courses, walking events & more.
More information about Cosmopolis
About Cosmopolis
Cosmopolis (WA) is a city in Grays Harbor County with an estimated population of 1,649.[4]
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Did you know?
The number of U.S. marathon finishers declined from 2014 to 2015 approximately 8 percent.
