Running races in or near Seattle, WA
Marathons, 1-milers, 5Ks, half-marathons, 10Ks & more
See below for a frequently-updated, comprehensive list of upcoming running events in the local Seattle, 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-5K - Individual Age group/open
Organization: CAT Running
Date of Race: 04-19-2025
Description: Join us for the love of the run and animals! Your ...
View Race Details View on Map
Running-5K - Individual Age group/open
Organization: Pearl Foundation of Puget Sound
Date of Race: 04-26-2025
Description: Join us for an inspiring fundraiser dedicated to supporting the Pearl ...
View Race Details View on Map
Running-5K - Individual Age group/open
Organization: Pearl Foundation of Puget Sound
Date of Race: 04-26-2025
Description: Join us for an inspiring fundraiser dedicated to supporting the Pearl ...
View Race Details View on Map
Running-5K - Individual Age group/open
Organization: Lake Wilderness Triathlon
Date of Race: 06-07-2025
Description: Welcome to the 10th annual Lake Wilderness Run!! We're so excited ...
View Race Details View on Map
Running-10K - Individual Age group/open
Organization: Lake Wilderness Triathlon
Date of Race: 06-07-2025
Description: Welcome to the 10th annual Lake Wilderness Run!! We're so excited ...
View Race Details View on Map
Running-5 mile or 10 mile - Trail Race ...
Organization: Sammamish Running
Date of Race: 03-01-2025
Description: Join us for the Mardi Gras Soaring Eagle Trail Race 5 ...
View Race Details View on Map
Mardi Gras Soaring Eagle Trail Race 5 mi ...
Organization: Sammamish Running
Date of Race: 03-01-2025
Description: Join us for the Mardi Gras Soaring Eagle Trail Race 5 ...
View Race Details View on Map
Running-5 mile or 10 mile - Trail Race ...
Organization: Sammamish Running
Date of Race: 03-01-2025
Description: Join us for the Mardi Gras Soaring Eagle Trail Race 5 ...
View Race Details View on Map
Muddy Dash - Standard Registration
Organization: Viral Run
Date of Race: 07-26-2025
Description: Muddy Dash is not your average mud run! Get ready for ...
View Race Details View on Map
Fall City Classic - 8k
Organization: Sammamish Running
Date of Race: 03-22-2025
Description: Join us for the Fall City Classic on Saturday ...
View Race Details View on Map
Fall City Classic - 5k
Organization: Sammamish Running
Date of Race: 03-22-2025
Description: Join us for the Fall City Classic on Saturday ...
View Race Details View on Map
Fall City Classic - Half 13.1
Organization: Sammamish Running
Date of Race: 03-22-2025
Description: Join us for the Fall City Classic on Saturday ...
View Race Details View on Map
Fall City Classic - 1k
Organization: Sammamish Running
Date of Race: 03-22-2025
Description: Join us for the Fall City Classic on Saturday ...
View Race Details View on Map
Fall City Classic - Race Series - Fall ...
Organization: Sammamish Running
Date of Race: 03-22-2025
Description: Join us for the Fall City Classic on Saturday ...
View Race Details View on Map
Running-Half marathon - Individual Age group/open
Organization: Lake Wilderness Triathlon
Date of Race: 06-07-2025
Description: Welcome to the 10th annual Lake Wilderness Run!! We're so excited ...
View Race Details View on Map
Muddy Dash - VIP Registration 💎
Organization: Viral Run
Date of Race: 07-26-2025
Description: Muddy Dash is not your average mud run! Get ready for ...
View Race Details View on Map
Lake Wilderness Run 2025
Organization: Lake Wilderness Triathlon
Date of Race: 06-07-2025
Description: Welcome to the 10th annual Lake Wilderness Run!! We're so excited ...
View Race Details View on Map
Muddy Dash - Value Registration
Organization: Viral Run
Date of Race: 07-26-2025
Description: Muddy Dash is not your average mud run! Get ready for ...
View Race Details View on Map
Fall City Classic
Organization: Sammamish Running
Date of Race: 03-22-2025
Description: Join us for the Fall City Classic on Saturday ...
View Race Details View on Map
Muddy Dash | Seattle
Organization: Viral Run
Date of Race: 07-26-2025
Description: Muddy Dash is not your average mud run! Get ready for ...
View Race Details View on Map
CAT Running 9th Annual 5K Fun Run/Walk
Organization: CAT Running
Date of Race: 04-19-2025
Description: Join us for the love of the run and animals! Your ...
View Race Details View on Map
5K Run/Walk
Organization: Pearl Foundation of Puget Sound
Date of Race: 04-26-2025
Description: Join us for an inspiring fundraiser dedicated to supporting the Pearl ...
View Race Details View on Map
Walking-5K - Individual Age group/open
Organization: CAT Running
Date of Race: 04-19-2025
Description: Join us for the love of the run and animals! Your ...
View Race Details View on Map
Walking-5K - Individual Age group/open
Organization: Pearl Foundation of Puget Sound
Date of Race: 04-26-2025
Description: Join us for an inspiring fundraiser dedicated to supporting the Pearl ...
View Race Details View on Map
Walking-5K - Individual Age group/open
Organization: Pearl Foundation of Puget Sound
Date of Race: 04-26-2025
Description: Join us for an inspiring fundraiser dedicated to supporting the Pearl ...
View Race Details View on Map
Complete list of running events in and near Seattle, WA: Marathons, 1-milers, 5Ks, half-marathons, 10Ks, obstacle courses, walking events & more.
More information about Seattle
About Seattle
Seattle (WA) is a city in King County with an estimated population of 608,660.[4]
Races Local Newsletter
Subscribe to get the latest on racing delivered to your inbox, once per week.
Did you know?
In 2014, 57% of marathon finishers in the U.S. were men; women made up 43% of finishers.
