Running races in or near Mountlake Terrace, WA
Marathons, 1-milers, 5Ks, half-marathons, 10Ks & more
See below for a frequently-updated, comprehensive list of upcoming running events in the local Mountlake Terrace, 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 - Half 13.1 - Half Sam
Organization: Sammamish Running
Date of Race: 08-17-2025
Description: Join us for one of the largest events of the year ...
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Seattle Waterfront 10k/5k Race - 10k
Organization: Sammamish Running
Date of Race: 10-18-2025
Description: Come out and race on the new Seattle Waterfront. Flat and ...
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Seattle Waterfront 10k/5k Race - Sponsor
Organization: Sammamish Running
Date of Race: 10-18-2025
Description: Come out and race on the new Seattle Waterfront. Flat and ...
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Seattle Waterfront 10k/5k Race - 5k
Organization: Sammamish Running
Date of Race: 10-18-2025
Description: Come out and race on the new Seattle Waterfront. Flat and ...
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Half Sam
Organization: Sammamish Running
Date of Race: 08-17-2025
Description: Join us for one of the largest events of the year ...
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Seattle Waterfront 10k/5k
Organization: Sammamish Running
Date of Race: 10-18-2025
Description: Come out and race on the new Seattle Waterfront. Flat and ...
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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 ...
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MAPS Rahma Quran Academy: Sisters Tajweed
Organization: MAPS-Redmond
Date of Race: 09-09-2025
Description: Race starts promptly at 8 am at the Beaver Lake beach ...
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Triathlon-Sprint - Sponsor - T-Shirts
Organization: Sammamish Running
Date of Race: 08-24-2025
Description: Race starts promptly at 8 am at the Beaver Lake beach ...
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Triathlon-Sprint - Sponsor - Mile 1 Marker Sponsor
Organization: Sammamish Running
Date of Race: 08-24-2025
Description: Race starts promptly at 8 am at the Beaver Lake beach ...
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Triathlon-Sprint - Sponsor - Post Race Celebration
Organization: Sammamish Running
Date of Race: 08-24-2025
Description: Race starts promptly at 8 am at the Beaver Lake beach ...
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Duathlon-10 mile bike - 5 mile Run - ...
Organization: Sammamish Running
Date of Race: 09-07-2025
Description: Soaring Eagle DuathlonSeptember 7, 2025, 8 am
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Triathlon-Sprint - Sponsor Pre-Race Pasta Dinner
Organization: Sammamish Running
Date of Race: 08-24-2025
Description: Race starts promptly at 8 am at the Beaver Lake beach ...
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Soaring Eagle Duathlon
Organization: Sammamish Running
Date of Race: 09-07-2025
Description: Soaring Eagle DuathlonSeptember 7, 2025, 8 am
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Duathlon-10 mile bike - 5 mile Run - ...
Organization: Sammamish Running
Date of Race: 09-07-2025
Description: Soaring Eagle DuathlonSeptember 7, 2025, 8 am
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Triathlon-Sprint - Splash n Dash 7-15 years old ...
Organization: Sammamish Running
Date of Race: 08-24-2025
Description: Race starts promptly at 8 am at the Beaver Lake beach ...
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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 ...
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Triathlon-Sprint - Relays - 1/4S - 13.4B - ...
Organization: Sammamish Running
Date of Race: 08-24-2025
Description: Race starts promptly at 8 am at the Beaver Lake beach ...
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Triathlon-Super Sprint - Individual - Sprint Triathlon
Organization: Sammamish Running
Date of Race: 08-03-2025
Description: 1/4 mile swim in Lake Washington, 13k bike on Eastrail, and ...
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Triathlon-Super Sprint - Relay - Swim, Bike, Run
Organization: Sammamish Running
Date of Race: 08-03-2025
Description: 1/4 mile swim in Lake Washington, 13k bike on Eastrail, and ...
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Newcastle Beach Triatlhlon
Organization: Sammamish Running
Date of Race: 08-03-2025
Description: 1/4 mile swim in Lake Washington, 13k bike on Eastrail, and ...
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Cheer Camp (Rising K-8th)
Organization: Bishop Blanchet High School
Date of Race: 08-18-2025
Description: Are you loud, proud, and full of spirit? All K-8 students ...
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Price
Organization: Bishop Blanchet High School
Date of Race: 08-18-2025
Description: Are you loud, proud, and full of spirit? All K-8 students ...
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Price
Organization: Bishop Blanchet High School
Date of Race: 08-11-2025
Description: Are you loud, proud, and full of spirit? All K-8 students ...
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Price
Organization: Bishop Blanchet High School
Date of Race: 08-18-2025
Description: Are you loud, proud, and full of spirit? All K-8 students ...
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Complete list of running events in and near Mountlake Terrace, WA: Marathons, 1-milers, 5Ks, half-marathons, 10Ks, obstacle courses, walking events & more.
More information about Mountlake Terrace
About Mountlake Terrace
Mountlake Terrace (WA) is a city in Snohomish County with an estimated population of 19,909.[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.).
