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.
Sammamish City Marathon - 5k (3.1 mi)
Organization: Sammamish Running
Date of Race: 10-24-2026
Description: Join us for the Sammamish City Marathon. New ...
View Race Details View on Map
Half Sam - Virtual Sam
Organization: Sammamish Running
Date of Race: 08-23-2026
Description: One of the fastest and flattest coures in the region. Come ...
View Race Details View on Map
Fastest of the Fastest - 10k
Organization: Sammamish Running
Date of Race: 09-12-2026
Description: Join us for one of the fastest Half 13.1, 10k, 5k.
View Race Details View on Map
Sammamish City Marathon - Half 13.1
Organization: Sammamish Running
Date of Race: 10-24-2026
Description: Join us for the Sammamish City Marathon. New ...
View Race Details View on Map
Sammamish City Marathon - Kids Race - 2 ...
Organization: Sammamish Running
Date of Race: 10-24-2026
Description: Join us for the Sammamish City Marathon. New ...
View Race Details View on Map
Fastest of the Fastest - Half 13.1
Organization: Sammamish Running
Date of Race: 09-12-2026
Description: Join us for one of the fastest Half 13.1, 10k, 5k.
View Race Details View on Map
Sammamish City Marathon - 10k (6.2 mi)
Organization: Sammamish Running
Date of Race: 10-24-2026
Description: Join us for the Sammamish City Marathon. New ...
View Race Details View on Map
Half Sam - 13.1
Organization: Sammamish Running
Date of Race: 08-23-2026
Description: One of the fastest and flattest coures in the region. Come ...
View Race Details View on Map
Half Sam - 10k
Organization: Sammamish Running
Date of Race: 08-23-2026
Description: One of the fastest and flattest coures in the region. Come ...
View Race Details View on Map
Fastest of the Fastest - 5k
Organization: Sammamish Running
Date of Race: 09-12-2026
Description: Join us for one of the fastest Half 13.1, 10k, 5k.
View Race Details View on Map
Fastest of the Fastest - Virtual Half 13.1, ...
Organization: Sammamish Running
Date of Race: 09-12-2026
Description: Join us for one of the fastest Half 13.1, 10k, 5k.
View Race Details View on Map
Sammamish City Marathon - Full 26.2
Organization: Sammamish Running
Date of Race: 10-24-2026
Description: Join us for the Sammamish City Marathon. New ...
View Race Details View on Map
Half Sam - Sponsor
Organization: Sammamish Running
Date of Race: 08-23-2026
Description: One of the fastest and flattest coures in the region. Come ...
View Race Details View on Map
Half Sam - 5k
Organization: Sammamish Running
Date of Race: 08-23-2026
Description: One of the fastest and flattest coures in the region. Come ...
View Race Details View on Map
Sammamish City Marathon
Organization: Sammamish Running
Date of Race: 10-24-2026
Description: Join us for the Sammamish City Marathon. New ...
View Race Details View on Map
Sammamish City Marathon - Sponsor
Organization: Sammamish Running
Date of Race: 10-24-2026
Description: Join us for the Sammamish City Marathon. New ...
View Race Details View on Map
Half Sam
Organization: Sammamish Running
Date of Race: 08-23-2026
Description: One of the fastest and flattest coures in the region. Come ...
View Race Details View on Map
Fastest of the Fastest Half 13.1, 10k, 5k
Organization: Sammamish Running
Date of Race: 09-12-2026
Description: Join us for one of the fastest Half 13.1, 10k, 5k.
View Race Details View on Map
Suicide Prevention Summit
Organization: Pierce County Parks and Recreation
Date of Race: 09-18-2026
Description: Description
View Race Details View on Map
JAM Regatta 2026
Organization: Meydenbauer Bay Yacht Club
Date of Race: 08-20-2026
Description: JAM Regatta 2026 - Race Team Coaching Fee
View Race Details View on Map
SPONSOR - Post Race Awards Ceremony - Pine ...
Organization: Sammamish Running
Date of Race: 08-30-2026
Description: Join us for the 2026 Beaver Lake Triathlon 1/4-mile swim in ...
View Race Details View on Map
Triathlon-Super Sprint - Splash n Dash kids 7-15 ...
Organization: Sammamish Running
Date of Race: 08-30-2026
Description: Join us for the 2026 Beaver Lake Triathlon 1/4-mile swim in ...
View Race Details View on Map
Triathlon-Super Sprint - Duathlon 13.4B, 4.3R
Organization: Sammamish Running
Date of Race: 08-30-2026
Description: Join us for the 2026 Beaver Lake Triathlon 1/4-mile swim in ...
View Race Details View on Map
SPONSOR - Beaver Lake Triathlon - Headline ...
Organization: Sammamish Running
Date of Race: 08-30-2026
Description: Join us for the 2026 Beaver Lake Triathlon 1/4-mile swim in ...
View Race Details View on Map
SPONSOR - Pre-Race Safety Briefing - SPONSOR
Organization: Sammamish Running
Date of Race: 08-30-2026
Description: Join us for the 2026 Beaver Lake Triathlon 1/4-mile swim in ...
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?
There were at least 768 marathons scheduled in the United States and Canada in 2016.
