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

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The Split logo

The Split

Spokane, WA

Saturday, April 4th, 2026

Half
10K
5K
View details for race The Split
Pirate 5K, 10K, & Half Marathon at Heritage Park, Olympia, WA (15) 150 logo

Pirate 5K, 10K, & Half Marathon at Heritage Par...

Olympia, WA

Saturday, April 11th, 2026

5K
10K
Half
View details for race Pirate 5K, 10K, & Half Marathon at Heritage Park, Olympia, WA (15) 150
Run the River logo

Run the River

Kennewick, WA

Friday, April 17th, 2026

Marathon
Half
5K
Fast
View details for race Run the River
Spring Classic Duathlon, Half, 10k & 5k logo

Spring Classic Duathlon, Half, 10k & 5k

Vancouver, WA

Sunday, April 26th, 2026

Half
5K
Fast
View details for race Spring Classic Duathlon, Half, 10k & 5k

Explore more in Washington, US

Distances:

5K10KHalf MarathonMarathon

Months:

SeptemberOctoberNovember

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TrailBoston QualifiersFast Courses

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