Upcoming Half Marathon Races In Washington, US in March, 2026

Lake Sammamish Half Marathon logo

Lake Sammamish Half Marathon

Redmond, WA

Saturday, March 7th, 2026

Half
View details for race Lake Sammamish Half Marathon
Medal Madness 1M, 5K, 10K, 15K, & Half Marathon at Heritage Park, Olympia, WA (10) 80 logo

Medal Madness 1M, 5K, 10K, 15K, & Half Marathon...

Olympia, WA

Saturday, March 14th, 2026

1 Mile
5K
10K
View details for race Medal Madness 1M, 5K, 10K, 15K, & Half Marathon at Heritage Park, Olympia, WA (10) 80
Seattle Cherry Blossom Run logo

Seattle Cherry Blossom Run

Seattle, WA

Saturday, March 28th, 2026

5K
10K
Half
View details for race Seattle Cherry Blossom Run
Yakima River Canyon Marathon and Half-Marathon logo

Yakima River Canyon Marathon and Half-Marathon

Yakima, WA

Saturday, March 28th, 2026

Half
Marathon
View details for race Yakima River Canyon Marathon and Half-Marathon
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