Marathon Races in Washington

Find upcoming marathon races in Washington — with dates, locations, and direct registration links.

142 upcoming marathon races found in Washington

Upcoming Marathon Races in Washington

5K+8

Aug 15

Popsicle 5K/10K/Half - Portland (Washougal)

Sat, August 15, 2026

Washougal, WA

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5K+2

Aug 15

Ninja 5K, 10K, 13.1M at Pasco, WA (33)

Sat, August 15, 2026

Pasco, WA

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5K Registration+5

Aug 15

Run for PB& J 5K/10K/13.1 SEATTLE

Sat, August 15, 2026

Seattle, WA

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5K+2

Aug 15

Ninja 5K, 10K & 13.1M at Everett, WA (33)

Sat, August 15, 2026

Everett, WA

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5K Registration+5

Aug 15

Bagel Run 5K/10K/13.1 SEATTLE

Sat, August 15, 2026

Seattle, WA

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Twilight at the Bay Half Marathon+2

Aug 15

Twilight at the Bay

Sat, August 15, 2026

University Place, WA

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5K+8

Aug 22

Popsicle 5K/10K/Half - Richland

Sat, August 22, 2026

Richland, WA

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5K+2

Aug 22

Ninja 5K, 10K, & 13.1M at Olympia, WA (34)

Sat, August 22, 2026

Olympia, WA

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Half Marathon+2

Aug 22

Children of the Sun Half Marathon

Sat, August 22, 2026

Spokane, WA

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5K+2

Aug 22

Ninja 5K, 10K, & 13.1M at Camas, WA (34)

Sat, August 22, 2026

Camas, WA

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Kirk-Wood Half Marathon

Aug 22

Kirk-Wood Half Marathon

Sat, August 22, 2026

Kirkland, WA

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5K+2

Aug 22

Ninja 5K, 10K, & 13.1M at Spokane, WA (34)

Sat, August 22, 2026

Spokane, WA

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Half marathon

Aug 23

Half Sam - Virtual Sam

Sun, August 23, 2026

Issaquah, WA

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Half marathon

Aug 23

Half Sam - Sponsor

Sun, August 23, 2026

Issaquah, WA

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Half marathon

Aug 23

Half Sam - 5k

Sun, August 23, 2026

Issaquah, WA

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Half marathon

Aug 23

Half Sam - 13.1

Sun, August 23, 2026

Issaquah, WA

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5K Registration+5

Aug 29

Run for Breast Cancer 5K/10K/13.1 SEATTLE

Sat, August 29, 2026

Seattle, WA

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5K Sunset Run+5

Aug 29

PeaceHealth Appletree Marathon

Sat, August 29, 2026

Vancouver, WA

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5K Registration+5

Aug 29

Run to Breast Cancer 5K/10K/13.1 SEATTLE

Sat, August 29, 2026

Seattle, WA

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5K Registration+5

Aug 29

Sloth Run 5K/10K/13.1 SEATTLE

Sat, August 29, 2026

Seattle, WA

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Half Marathon+2

Aug 29

Tacoma Narrows Half Marathon / 10K / 5K

Sat, August 29, 2026

Tacoma, WA

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Half Marathon+1

Aug 30

Iron Horse Half Marathon

Sun, August 30, 2026

North Bend, WA

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5K+3

Sep 5

Medal Madness 5K, 10K, 13.1M & 26.2M at Everett, WA (36)

Sat, September 5, 2026

Everett, WA

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Half Marathon+1

Sep 5

Jump Off Joe Marathon, Half Marathon & 10K

Sat, September 5, 2026

Kennewick, WA

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Half Marathon

Sep 7

Redmond Harvest Half Marathon

Mon, September 7, 2026

Redmond, WA

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Cascade Express Marathon+1

Sep 12

Cascade Express Marathon & Half Marathon

Sat, September 12, 2026

North Bend, WA

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OVERCOMER 5K+1

Sep 12

OVERCOMER 5K & 13.1 Mile Half Marathon

Sat, September 12, 2026

Pasco, WA

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Half Marathon WAVE 1+3

Sep 12

GOAT Run

Sat, September 12, 2026

Port Angeles, WA

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5K+2

Sep 12

Medal Madness 5K, 10K, & 13.1M at Everett, WA (37)

Sat, September 12, 2026

Everett, WA

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5K Registration+5

Sep 12

Run for Mental Health 5K/10K/13.1 SEATTLE

Sat, September 12, 2026

Seattle, WA

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