Half Marathons in Washington — 2026

There are 123 half marathons in Washington scheduled for 2026. The next is the Christmas 5K/10K/Half Marathon in July - Richland in Richland on July 19. Washington half marathons run primarily July through May.

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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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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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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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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Oktoberfest Run 5K/10K/13.1 SEATTLE

Sat, Sep 26 · Seattle, WA Seattle

Family 1 Mile Fun Run5K RegistrationVirtual Run Registration +3

From $30 Open

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Run for Donuts 5K/10K/13.1 SEATTLE

Sat, Sep 26 · Seattle, WA Seattle

Family Fun Run 1 Mile5K Registration5K/10K/13.1 Eco-Registration (No Shirt) +3

From $30 Open

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Colbert Autumn Classic Half Marathon & 4-Mile Loop

Sat, Sep 26 · Colbert, WA Colbert

Colbert 4-Mile LoopBRRC 49th Colbert Autumn Classic Half MarathonBRRC 49th Colbert Autumn Classic Half Marathon EARLY START

From $25 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

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Puyallup Valley Half Marathon and 10K

Sun, Sep 27 · Puyallup, WA Puyallup

10KHalf Marathon

From $40 Open

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Falla Walla Half Marathon, 10K & Heroes 5K Run

Sat, Oct 3 · Walla Walla, WA Walla Walla

Heroes 5k Run10KHalf Marathon

From $40 Open

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Haunted 5K, 10K, 13.1M & 26.2M at Everett, WA (40)

Sat, Oct 3 · Everett, WA Everett

5K10KHalf Marathon +1

From $30 Closed

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Run for the Gnomes Half Marathon & 5K

Sat, Oct 3 · Maple Valley, WA Maple Valley

Run for the Gnomes 5KRun for the Gnomes Half Marathon

From $32 Open

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Poulsbo Half Marathon & 10k

Sun, Oct 4 · Poulsbo, WA Poulsbo

10kHalf Marathon

From $38 Open

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Haunted 5K, 10K, & 13.1M at Everett WA (41)

Sat, Oct 10 · Everett, WA Everett

5K10KHalf Marathon

From $30 Open

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Coffee Lovers Run 5K/10K/13.1 SEATTLE

Sat, Oct 10 · Seattle, WA Seattle

Family Fun Run 1 Mile5K Registration5K/10K/13.1 Eco-Registration (No Shirt) +3

From $30 Open

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Running Scared 5K/13K - Portland (Washougal)

Sat, Oct 10 · Washougal, WA Washougal

Scaredy Cat 5KVirtual Scaredy Cat 5KVirtual Heart Pounding 13K +3

From $25 Open

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Haunted 5K, 10K & 13.1M at Camas, WA (41)

Sat, Oct 10 · Camas, WA Camas

5K10K13.1M

From $30 Open

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Haunted 5K, 10K & 13.1M at Olympia, WA (41)

Sat, Oct 10 · Olympia, WA Olympia

5K10KHalf Marathon

From $30 Open

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Bagel Run 5K/10K/13.1 SEATTLE

Sat, Oct 10 · Seattle, WA Seattle

Family 1 Mile Fun Run5K RegistrationVirtual Run Registration +3

From $30 Open

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Sun City Barry James Memorial 5K and Half Marathon

Sun, Oct 11 · Yakima, WA Yakima

Sun City Barry James Memorial 5K Non HCR MemberSun City Barry James Memorial 5K HCR MemberSun City Barry James Memorial Half Marathon Run HCR Member +3

From $15 Closed

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Haunted 5K, 10K & 13.1M at Everett, WA (42)

Sat, Oct 17 · Everett, WA Everett

5K10KHalf Marathon

From $30 Open

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Haunted 5K, 10K, & 13.1M at Pasco, WA (42)

Sat, Oct 17 · Pasco, WA Pasco

5K10KHalf Marathon

From $30 Open

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Haunted 5K, 10K, 13.1M at Vancouver, WA (42)

Sat, Oct 17 · Vancouver, WA Vancouver

5K10K13.1M

From $30 Open

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Lake Washington Half Marathon

Sat, Oct 17 · Kirkland, WA Kirkland

Half MarathonVirtual Half Marathon

From $52 Open Closing Soon

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Running Scared 5K/13K - Seattle

Sun, Oct 18 · Seattle, WA Seattle

Scaredy Cat 5K-No SwagScaredy Cat 5KVirtual Scaredy Cat 5K +5

From $30 Open

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Girlfriends Run

Sun, Oct 18 · Vancouver, WA Vancouver

6K Glam Gal6K Run6K Walk +10

From $0 Open

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Haunted 5K, 10K, & 13.1M at Spokane, WA (43)

Sat, Oct 24 · Spokane, WA Spokane

5K10KHalf Marathon

From $30 Open

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Haunted 5K, 10K, & 13.1M at Olympia, WA (43)

Sat, Oct 24 · Olympia, WA Olympia

5K10KHalf Marathon

From $30 Open

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Haunted 5K, 10K & 13.1M at Camas, WA (43)

Sat, Oct 24 · Camas, WA Camas

5K10K13.1M

From $30 Open

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Captain Jack's Treasure Run

Sun, Oct 25 · Redmond, WA Redmond

5K8K12K +1

From $10 Open 68 spots left

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Halloween Trick or Trot Run 5K/10K/13.1 SEATTLE

Sat, Oct 31 · 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 Vancouver, WA (44)

Sat, Oct 31 · Vancouver, WA Vancouver

5K10K13.1M

From $30 Open

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

Sat, Oct 31 · Seattle, WA Seattle

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

From $30 Open

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Gobbler 5K, 10K, & 13.1M at Everett, WA (45)

Sat, Nov 7 · Everett, WA Everett

5K10KHalf Marathon

From $30 Open

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Run the Bay

Sun, Nov 8 · University Place, WA University Place

Run the Bay 5kRun the Bay 10kRun The Bay Half Marathon

From $33 Open Closing Soon

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Gobbler 5K, 10K, & 13.1M at Everett, WA (46)

Sat, Nov 14 · Everett, WA Everett

5K10KHalf Marathon

From $30 Open

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Veterans Day Freedom Run 5K/10K/13.1 SEATTLE

Sat, Nov 14 · Seattle, WA Seattle

Family Fun Run 1 Mile5K RegistrationVirtual Run Registration (5K/10K/13.1) +3

From $30 Open

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Gobbler 5K, 10K, & 13.1M at Camas, WA (46)

Sat, Nov 14 · Camas, WA Camas

5K10K13.1M

From $30 Open

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

Sat, Nov 14 · 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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Gobbler 5K, 10K & 13.1M at Olympia, WA (46)

Sat, Nov 14 · Olympia, WA Olympia

5K10KHalf Marathon

From $30 Open

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Gobbler 5K, 10K, & 13.1M at Everett, WA (47)

Sat, Nov 21 · Everett, WA Everett

5K10KHalf Marathon

From $30 Open

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Gobbler 5K, 10K, 13.1M at Vancouver, WA (47)

Sat, Nov 21 · Vancouver, WA Vancouver

5K10K13.1M

From $30 Open

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Gobbler 5K, 10K, 13.1M at Pasco, WA (47)

Sat, Nov 21 · Pasco, WA Pasco

5K10KHalf Marathon

From $30 Open

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Thanksgiving Gobble Trot Run 5K/10K/13.1 SEATTLE

Sat, Nov 28 · Seattle, WA Seattle

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

From $30 Open

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Gobbler 5K, 10K, & 13.1M at Camas, WA (48)

Sat, Nov 28 · Camas, WA Camas

5K10K13.1M

From $30 Open

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Coffee Lovers Run 5K/10K/13.1 SEATTLE

Sat, Nov 28 · Seattle, WA Seattle

Family 1 Mile Fun Run5K RegistrationVirtual Run Registration +3

From $30 Open

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Gobbler 5K, 10K, & 13.1M, Spokane, WA (48)

Sat, Nov 28 · Spokane, WA Spokane

5K10KHalf Marathon

From $30 Open

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Gobbler 5K, 10K, & 13.1M at Olympia, WA (48)

Sat, Nov 28 · Olympia, WA Olympia

5K10KHalf Marathon

From $30 Open

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Holiday 5K, 10K, & 13.1M at Everett, WA (49)

Sat, Dec 5 · Everett, WA Everett

5K10KHalf Marathon

From $30 Open

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Holiday 5K, 10K, & 13.1M at Olympia, WA (50)

Sat, Dec 12 · Olympia, WA Olympia

5K10KHalf Marathon

From $30 Open

Register →