Running races in or near Shoreline, WA
Marathons, 1-milers, 5Ks, half-marathons, 10Ks & more
See below for a frequently-updated, comprehensive list of upcoming running events in the local Shoreline, 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 - Sponsor
Organization: Sammamish Running
Date of Race: 10-24-2026
Description: Join us for the Sammamish City Marathon. New ...
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Sammamish City Marathon - Full 26.2
Organization: Sammamish Running
Date of Race: 10-24-2026
Description: Join us for the Sammamish City Marathon. New ...
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Half Sam - 10k
Organization: Sammamish Running
Date of Race: 08-23-2026
Description: One of the fastest and flattest coures in the region. Come ...
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Half Sam - Sponsor
Organization: Sammamish Running
Date of Race: 08-23-2026
Description: One of the fastest and flattest coures in the region. Come ...
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Sammamish City Marathon - Half 13.1
Organization: Sammamish Running
Date of Race: 10-24-2026
Description: Join us for the Sammamish City Marathon. New ...
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Sammamish City Marathon - Kids Race - 2 ...
Organization: Sammamish Running
Date of Race: 10-24-2026
Description: Join us for the Sammamish City Marathon. New ...
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Half Sam
Organization: Sammamish Running
Date of Race: 08-23-2026
Description: One of the fastest and flattest coures in the region. Come ...
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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 ...
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Half Sam - 5k
Organization: Sammamish Running
Date of Race: 08-23-2026
Description: One of the fastest and flattest coures in the region. Come ...
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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 ...
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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 ...
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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 ...
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Sammamish City Marathon
Organization: Sammamish Running
Date of Race: 10-24-2026
Description: Join us for the Sammamish City Marathon. New ...
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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 ...
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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 ...
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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 ...
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Beaver Mile Swim - 1/4 mile Swan Swim, ...
Organization: Sammamish Running
Date of Race: 08-02-2026
Description: Join us for the Beaver Mile swim 4.3 mile run. Chose ...
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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 ...
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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 ...
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Beaver Mile Swim - Otter Half Mile Swim, ...
Organization: Sammamish Running
Date of Race: 08-02-2026
Description: Join us for the Beaver Mile swim 4.3 mile run. Chose ...
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Triathlon-Super Sprint - Relay - 1/4S, 13.7B, 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 ...
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Triathlon-Super Sprint - Aquathlon 1/4S, 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 ...
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Triathlon-Super Sprint - Full Triathlon 1/4S, 13.7B, 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 ...
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SPONSOR - SUPPORTER - Banner - Booth - ...
Organization: Sammamish Running
Date of Race: 08-30-2026
Description: Join us for the 2026 Beaver Lake Triathlon 1/4-mile swim in ...
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SPONSOR - Pre-Race Pasta Feed - Live Band ...
Organization: Sammamish Running
Date of Race: 08-30-2026
Description: Join us for the 2026 Beaver Lake Triathlon 1/4-mile swim in ...
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Complete list of running events in and near Shoreline, WA: Marathons, 1-milers, 5Ks, half-marathons, 10Ks, obstacle courses, walking events & more.
More information about Shoreline
About Shoreline
Shoreline (WA) is a city in King County with an estimated population of 53,007.[4]
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Did you know?
In 2014, 57% of marathon finishers in the U.S. were men; women made up 43% of finishers.
