Half Marathons in Washington — 2026

There are 121 half marathons in Washington scheduled for 2026. The next is the Run for Coffee Lovers 5K/10K/13.1 SEATTLE in Seattle on July 25. Washington half marathons run primarily July through May.

Run for Donuts 5K/10K/13.1 SEATTLE

Sat, Jul 25 · Seattle, WA Seattle

Family 1 Mile Fun RunVirtual Run Registration5K/10K/13.1 Eco-Registration (No Shirt) +3

From $30 Open Closing Soon

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Eagle 5K, 10K, & 13.1M at Camas, WA (30)

Sat, Jul 25 · Camas, WA Camas

5K10K13.1M

From $30 Open Closing Soon

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Run for Coffee Lovers 5K/10K/13.1 SEATTLE

Sat, Jul 25 · Seattle, WA Seattle

Family Fun Run 1 MileVirtual Run Registration (5K/10K/13.1)5K/10K/13.1 Eco-Registration (No Shirt) +3

From $30 Open Closing Soon

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Eagle 5K, 10K, & 13.1M, Spokane, WA, (30)

Sat, Jul 25 · Spokane, WA Spokane

5K10KHalf Marathon

From $30 Open Closing Soon

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Eagle 5K, 10K, & 13.1M at Olympia, WA (30)

Sat, Jul 25 · Olympia, WA Olympia

5K10KHalf Marathon

From $30 Open Closing Soon

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University Place Twisted Cider 5K, 12K & 1K

Sat, Jul 25 · University Place, WA University Place

Kids 1K Run5K12K

From $10 Open Closing Soon

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Run Like a Viking Virtual Challenge 5K/10K/Half Marathon

Sat, Aug 1 · Seattle, WA Seattle

Virtual 5K Run/Walk ChallengeVirtual 10K Run/Walk ChallengeVirtual 1/2 Run/Walk Challenge

From $45 Open

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Ninja 5K, 10K & 13.1M at Everett, WA (31)

Sat, Aug 1 · Everett, WA Everett

5K10KHalf Marathon

From $30 Open Closing Soon

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Craft Classic Seattle

Sun, Aug 2 · Redmond, WA Redmond

5KHalf Marathon

From $33 Open Closing Soon

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Race the Reserve Whidbey Island

Sat, Aug 8 · Coupeville, WA Coupeville

Race the Reserve 5kRace the Reserve 10kRace the Reserve Half Marathon +1

From $30 Open

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Ninja 5K, 10K, & 13.1M at Camas, WA (32)

Sat, Aug 8 · Camas, WA Camas

5K10K13.1M

From $30 Open

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Ninja 5K, 10K, & 13.1M at Everett, WA (32)

Sat, Aug 8 · Everett, WA Everett

5K10KHalf Marathon

From $30 Open

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Ninja 5K, 10K, & 13.1M at Olympia, WA (32)

Sat, Aug 8 · Olympia, WA Olympia

5K10KHalf Marathon

From $30 Open

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Vashon Dock to Dock Run - 15 mile Run and Relay

Sun, Aug 9 · Vashon, WA Vashon

Vashon Dock to Dock RelayVahon Dock to Dock - 15mile Run

From $65 Open Closing Soon

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

Sat, Aug 15 · Vancouver, WA Vancouver

5K10K13.1M

From $30 Open

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

Sat, Aug 15 · Seattle, WA Seattle

Family 1 Mile Fun RunVirtual Run Registration5K/10K/13.1 Eco-Registration (No Shirt) +3

From $30 Open

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

Sat, Aug 15 · Everett, WA Everett

5K10KHalf Marathon

From $30 Open

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Bagel Run 5K/10K/13.1 SEATTLE

Sat, Aug 15 · Seattle, WA Seattle

Family Fun Run 1 MileVirtual Run Registration (5K/10K/13.1)5K Registration +3

From $30 Open

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

Sat, Aug 15 · Washougal, WA Washougal

Virtual 5K5K-No Shirt5K +6

From $35 Open

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

Sat, Aug 15 · Pasco, WA Pasco

5K10KHalf Marathon

From $30 Open

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Twilight at the Bay

Sat, Aug 15 · University Place, WA University Place

Twilight at the Bay 5kTwilight at the Bay 10kTwilight at the Bay Half Marathon

From $33 Open

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2026 Kirk-Wood Half Marathon

Sat, Aug 22 · Kirkland, WA Kirkland

Kirk-Wood Half Marathon

From $75 Open

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

Sat, Aug 22 · Olympia, WA Olympia

5K10KHalf Marathon

From $30 Open

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

Sat, Aug 22 · Camas, WA Camas

5K10K13.1M

From $30 Open

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Popsicle 5K/10K/Half - Richland

Sat, Aug 22 · Richland, WA Richland

Virtual 5K5K-No Shirt5K +6

From $35 Open

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

Sat, Aug 22 · Spokane, WA Spokane

5K10KHalf Marathon

From $30 Open

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Children of the Sun Half Marathon

Sat, Aug 22 · Spokane, WA Spokane

5K12KHalf Marathon

From $25 Open Closing Soon 13 spots left

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Sloth Run 5K/10K/13.1 SEATTLE

Sat, Aug 29 · Seattle, WA Seattle

Family 1 Mile Fun RunVirtual Run Registration5K Registration +3

From $30 Open

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

Sat, Aug 29 · Seattle, WA Seattle

Family Fun Run 1 MileVirtual Run Registration (5K/10K/13.1)5K Registration +3

From $30 Open

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Medal Madness 5K, 10K, 13.1M at Vancouver, WA (35)

Sat, Aug 29 · Vancouver, WA Vancouver

5K10K13.1M

From $30 Open

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Iron Horse Half Marathon

Sun, Aug 30 · North Bend, WA North Bend

Half MarathonVirtual Half Marathon

From $52 Open Closing Soon 40 spots left

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

Sat, Sep 5 · Everett, WA Everett

5K10KHalf Marathon +1

From $30 Open

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BRRC Cross Country Series

Sun, Sep 6 · Spokane, WA Spokane

BRRC Mead 5K Cross CountryBRRC Audubon 5K Cross CountryBRRC 7-Mile Airstrip 5K Cross Country +1

From $20 Open

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Redmond Harvest Half Marathon

Mon, Sep 7 · Redmond, WA Redmond

Half Marathon

From $59 Open Closing Soon

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March for the Fallen 2026

Sat, Sep 12 · Nine Mile Falls, WA Nine Mile Falls

5k Run or Walk5k Ruck (35lb pack minimum weight for competitive ruck)10k Run or Walk +4

From $30 Closed

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

Sat, Sep 12 · Everett, WA Everett

5K10KHalf Marathon

From $30 Open

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

Sat, Sep 12 · Seattle, WA Seattle

Family Fun Run 1 Mile5K/10K/13.1 Eco-Registration (No Shirt)Virtual Run Registration (5K/10K/13.1) +3

From $30 Open

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National Chocolate Day: Run for Chocolates 5K/10K/13.1 SEATTLE

Sat, Sep 12 · Seattle, WA Seattle

Family 1 Mile Fun RunVirtual Run Registration5K/10K/13.1 Eco-Registration (No Shirt) +3

From $30 Open

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

Sat, Sep 12 · Camas, WA Camas

5K10K13.1M

From $30 Open

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

Sat, Sep 12 · Olympia, WA Olympia

5K10KHalf Marathon

From $30 Open

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The Brooks Orca Half Marathon presented by REI

Sat, Sep 19 · Seattle, WA Seattle

Orca 8-Miler (Sunday)Blowhole ChallengeVirtual Half Marathon or 8 Miler +2

From $60 Open Closing Soon 100 spots left

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Medal Madness 5K, 10K, 13.1M at Vancouver, WA (38)

Sat, Sep 19 · Vancouver, WA Vancouver

5K10K13.1M

From $30 Open

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Anacortes Half Marathon & 5k

Sat, Sep 19 · Anacortes, WA Anacortes

The Anacortes 5kThe Anacortes Half Marathon

From $32 Open Closing Soon

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Medal Madness 5K, 10K, 13.1M at Pasco, WA (38)

Sat, Sep 19 · Pasco, WA Pasco

5K10KHalf Marathon

From $30 Open

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Medal Madness 5K, 10K & 13.1M at Everett, WA (38)

Sat, Sep 19 · Everett, WA Everett

5K10KHalf Marathon

From $30 Open

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RUN THE DAM 2026

Sat, Sep 19 · Grand Coulee, WA Grand Coulee

5K10K1/2 MARATHON

From $25 Open

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Quilcene Oyster Races

Sun, Sep 20 · Quilcene, WA Quilcene

Duo 5K Run/Walk5K Run/WalkDuo 10K Run/Walk +3

From $25 Open

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Run for Donuts 5K/10K/13.1 SEATTLE

Sat, Sep 26 · Seattle, WA Seattle

Family Fun Run 1 Mile5K/10K/13.1 Eco-Registration (No Shirt)Virtual Run Registration (5K/10K/13.1) +3

From $30 Open

Register →

Medal Madness 5K, 10K & 13.1M at Camas, WA (39)

Sat, Sep 26 · Camas, WA Camas

5K10K13.1M

From $30 Open

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Medal Madness 5K, 10K, & 13.1M at Spokane, WA (39)

Sat, Sep 26 · Spokane, WA Spokane

5K10KHalf Marathon

From $30 Open

Register →