Running races in or near Newcastle, WA
Marathons, 1-milers, 5Ks, half-marathons, 10Ks & more
See below for a frequently-updated, comprehensive list of upcoming running events in the local Newcastle, 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: 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-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
Cedar River Half 13.1 - Mile Marker Sponsor
Organization: Sammamish Running
Date of Race: 01-25-2025
Description: Out and back along the Cedar River Trail starting out at ...
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
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 - 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 - 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
Cedar River Half 13.1 - Individual Age group/open
Organization: Sammamish Running
Date of Race: 01-25-2025
Description: Out and back along the Cedar River Trail starting out at ...
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
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
Kids 7-15 Gnome Dash - Kids Gnome Dash ...
Organization: Sammamish Running
Date of Race: 01-25-2025
Description: Out and back along the Cedar River Trail starting out at ...
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
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-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
Cedar River Half 13.1
Organization: Sammamish Running
Date of Race: 01-25-2025
Description: Out and back along the Cedar River Trail starting out at ...
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
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 ...
View Race Details View on Map
Price
Organization: Camp Gilead
Date of Race: 05-26-2025
Description: The River Run 5K is an event to raise money for ...
View Race Details View on Map
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 ...
View Race Details View on Map
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 ...
View Race Details View on Map
Competitive Track and Field
Organization: BASIS Independent Bellevue
Date of Race: 03-17-2025
Description: Calling all BLV athletes! Join us for the second season of ...
View Race Details View on Map
Triathlon-Sprint - Beaver Lake Triathlon - Full 1/4S, ...
Organization: Sammamish Running
Date of Race: 08-24-2025
Description: Race starts promptly at 8 am at the Beaver Lake beach ...
View Race Details View on Map
Complete list of running events in and near Newcastle, WA: Marathons, 1-milers, 5Ks, half-marathons, 10Ks, obstacle courses, walking events & more.
More information about Newcastle
About Newcastle
Newcastle (WA) is a city in King County with an estimated population of 10,380.[4]
Races Local Newsletter
Subscribe to get the latest on racing delivered to your inbox, once per week.
Did you know?
The number of U.S. marathon finishers declined from 2014 to 2015 approximately 8 percent.
