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Races in Black Diamond, WA

Running races in or near Black Diamond, WA

Marathons, 1-milers, 5Ks, half-marathons, 10Ks & more

See below for a frequently-updated, comprehensive list of upcoming running events in the local Black Diamond, 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.

Lock Laces

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 ...

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 ...

Bubble Run - Exclusive VIP Registration- Regular Price ...

Organization: Viral Run

Date of Race: 08-03-2025

Description: If you’ve done a traditional 5K, you know they ...

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 ...

Bubble Run | Seattle

Organization: Viral Run

Date of Race: 08-03-2025

Description: If you’ve done a traditional 5K, you know they ...

Bubble Run - Value Registrations- Regular Price $54.95

Organization: Viral Run

Date of Race: 08-03-2025

Description: If you’ve done a traditional 5K, you know they ...

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 ...

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 ...

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 ...

Newcastle 10k, 13.1 Half, 5k Eastrail Redhawk

Organization: Sammamish Running

Date of Race: 06-21-2025

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

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 ...

Run Club (current students only)

Organization: Seabury School

Date of Race: 04-08-2025

Description: Join Coach Kelly and Ms. Woodruff for Seabury's second annual Run ...

Puzzle Palooza! Puzzle Competition-Summer Fun!

Organization: Pierce County Parks

Date of Race: 08-09-2025

Description: DescriptionInternet Registration has not begun yet. Check Registration Dates in ...

Price

Organization: Camp Gilead

Date of Race: 05-26-2025

Description: DescriptionInternet Registration has not begun yet. Check Registration Dates in ...

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 Kentwood Basketball Camp

Organization: Kentwood Basketball

Date of Race: 06-23-2025

Description: Event details and schedule

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 ...

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 ...

Saucony

Complete list of running events in and near Black Diamond, WA: Marathons, 1-milers, 5Ks, half-marathons, 10Ks, obstacle courses, walking events & more.


More information about Black Diamond

About Black Diamond

Black Diamond (WA) is a city in King County with an estimated population of 4,151.[4]

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In 2014, there were more than 1,100 marathons and more than 541,000 finishers in the U.S.

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