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Best Seattle, Washington Half Marathon Races

View some of the best Half Marathon races in Seattle, Washington! RaceMob's race calendar allows you to find races that suits your needs. Use our advanced filters below or calendar on the right, and discover new races. We try to maintain up to date information, and rely heavily on our community of volunteers. If you find a race that we're missing, use the "Suggest Race" button on the right. Find RaceMob discounts that others have added or add deals that you've discovered.

    • 1/2M

    Seattle, WA

    5.27 miles away

    I'm Attending

    My Better Half Marathon

    Prepare yourself for a running event like no other. Romance. Kitsch. Sweat. My Better Half Marathon is a celebration of running, romance and rom-coms. There are 4 categories: Bromance (two guy friends), Besties (two best friends), Lovers (romantic...

    • 1/2M

    Redmond, WA

    11.03 miles away

    I'm Attending

    Lake Sammamish Half Marathon

    The Lake Sammamish Half Marathon takes runners along the smooth trail that connects Marymoor Park in Redmond to Lake Sammamish State Park in Issaquah. This interurban trail is very popular with runners; about 30% of the course will be on smooth gr...

    • 1/2M

    Federal Way, WA

    20.18 miles away

    I'm Attending

    Dash Point Trail Run

    Dash Point State Park is a 398-acre camping park in the Pacific Northwest with 3,300 feet of saltwater shoreline on Puget Sound. The beach provides unobstructed views of the Sound and lots of opportunities to observe wildlife such as coyotes, foxe...

    • 1/2M

    Kirkland, WA

    7.53 miles away

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    Virginia Mason Mother's Day 5K

    The Virginia Mason Mother’s Day 5K is an annual race celebrating Mother’s Day with running! Located in beautiful Kirkland, Washington. Your race entry includes chip timing, finisher’s medal (for both half and 5k), free professional photo download...

    • 1/2M

    Port Orchard, WA

    14.73 miles away

    I'm Attending

    Yukon Do It! Summer Edition 2021

    Run the 4th annual Summer Yukon Do It! July 11th in scenic Port Orchard, Washington. Enjoy 10 miles of waterfront running in the half marathon! The course is relatively flat with some moderate hills between miles 5 and 8. This half marathon is US...

    • 1/2M

    Seattle, WA

    2.52 miles away

    I'm Attending

    Orca Half Marathon (Saturday and Sunday)

    The Orca Half is TWO days in 2021! The Orca Half is a half marathon along the shores of West Seattle, starting at Lincoln Park and finishing at Don Armeni Boat Launch. The course is point to point, with two small out and back sections in the begi...

    • 1/2M

    Port Townsend, WA

    40.3 miles away

    I'm Attending

    Larry Scott Trail (Paved) Run

    Join us in the 4th of 5 races in the 2020 Run the Peninsula Road Race Series, Larry Scott Trail 5K / 10K / Half-Marathon The 5K, 10K and Half Marathon will be an out and back on the Olympic Discovery Trail.  The Half Marathon Start at 8:30 am  5K...

    • 1/2M

    Issaquah, WA

    17.25 miles away

    I'm Attending

    Grand Ridge Trail Run

    Join us for a trail run at Grand Ridge Regional Park, just across I-90 from Tiger Mountain. A great trail system awaits.  

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