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Races in Seattle, WA

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.

Fleet Feet Sports

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 ...

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 ...

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 ...

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 ...

Newcastle Beach Eastrail Redhawk - Race Series 2025 ...

Organization: Sammamish Running

Date of Race: 06-21-2025

Description: Join us for the Newcastle Beach 10k, Half 13.1, 5k part ...

Skyhawks Track & Field Camp

Organization: City of Mukilteo Recreation

Date of Race: 06-24-2025

Description: DescriptionSkyhawks Track ...

Muddy Dash - Exclusive VIP Registration - R̶e̶g̶u̶l̶a̶r̶ ...

Organization: Viral Run

Date of Race: 07-26-2025

Description: Muddy Dash is not your average mud run! Get ready for ...

Newcastle Beach Eastrail Redhawk - 5k

Organization: Sammamish Running

Date of Race: 06-21-2025

Description: Join us for the Newcastle Beach 10k, Half 13.1, 5k part ...

Newcastle Beach 10k, 5k, Half 13.1

Organization: Sammamish Running

Date of Race: 06-21-2025

Description: Join us for the Newcastle Beach 10k, Half 13.1, 5k part ...

Newcastle Beach Eastrail Redhawk - 10k

Organization: Sammamish Running

Date of Race: 06-21-2025

Description: Join us for the Newcastle Beach 10k, Half 13.1, 5k part ...

Newcastle Beach Eastrail Redhawk - Half 13.1

Organization: Sammamish Running

Date of Race: 06-21-2025

Description: Join us for the Newcastle Beach 10k, Half 13.1, 5k part ...

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 ...

Muddy Dash - Value Registration- R̶e̶g̶u̶l̶a̶r̶ P̶r̶i̶c̶e̶ $̶7̶4.9̶5̶

Organization: Viral Run

Date of Race: 07-26-2025

Description: Muddy Dash is not your average mud run! Get ready for ...

Muddy Dash | Seattle

Organization: Viral Run

Date of Race: 07-26-2025

Description: Muddy Dash is not your average mud run! Get ready for ...

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 ...

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 ...

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 ...

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 ...

2025 Camp Gilead River Run 5K

Organization: Camp Gilead

Date of Race: 05-26-2025

Description: The River Run 5K is an event to raise money for ...

Price

Organization: Camp Gilead

Date of Race: 05-26-2025

Description: The River Run 5K is an event to raise money for ...

Beaver Lake Triathon 2025

Organization: Sammamish Running

Date of Race: 08-24-2025

Description: Race starts promptly at 8 am at the Beaver Lake beach ...

2025 Asha For Education - Run TO Educate

Organization: Asha For Education

Date of Race: 06-14-2025

Description: Asha for Education is a non-profit organization dedicated to ...

Cross Country (coed)

Organization: Seattle Preparatory School

Date of Race: 06-23-2025

Description: In this highly energetic camp, campers will learn to train like ...

2025 Kentwood Basketball Camp

Organization: Kentwood Basketball

Date of Race: 06-23-2025

Description: Event details and schedule

Triathlon-Sprint - Full Triathlon - Individual

Organization: Sammamish Running

Date of Race: 07-05-2025

Description: Join us July 4th weekend for the inaugural Seabeck Triathlon. 1/4 ...

Fleet Feet Sports

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]

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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.).

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