Half Marathons in Washington — 2026

There are 98 half marathons in Washington scheduled for 2026. The next is the Haunted 5K, 10K, & 13.1M at Everett WA (41) in Everett on October 10. Washington half marathons run primarily October.

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

Sat, Oct 10 · Camas, WA Camas

5K10K13.1M

From $30 Open Closing Soon

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Cookie Run 5K/10K/13.1 SEATTLE

Sat, Oct 10 · Seattle, WA Seattle

Family 1 Mile Fun Run5K/10K/13.1 Eco-Registration (No Shirt)Virtual Run Registration +3

From $30 Open Closing Soon

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

Sat, Oct 10 · Washougal, WA Washougal

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

From $25 Open Closing Soon

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

Sat, Oct 10 · Olympia, WA Olympia

5K10KHalf Marathon

From $30 Open Closing Soon

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Running Scared 5K/13K - Spokane

Sat, Oct 10 · Spokane, WA Spokane

Virtual Scaredy Cat 5KScaredy Cat 5KHeart Pounding 13K +3

From $35 Open Closing Soon

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Coffee Lovers Run 5K/10K/13.1 SEATTLE

Sat, Oct 10 · Seattle, WA Seattle

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

From $30 Open Closing Soon

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

Sat, Oct 10 · Everett, WA Everett

5K10KHalf Marathon

From $30 Open Closing Soon

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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 Walk Non HCR Member +3

From $15 Open Closing Soon

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Running Scared 5K/13K - Richland

Sun, Oct 11 · Richland, WA Richland

Virtual Scaredy Cat 5KScaredy Cat 5K-No ShirtScaredy Cat 5K +5

From $30 Open Closing Soon

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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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The Salty Half and 10K too!

Sat, Oct 17 · Seattle, WA Seattle

10KHalf Marathon

From $39 Open Closing Soon

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

Sat, Oct 17 · Pasco, WA Pasco

5K10KHalf Marathon

From $30 Open Closing Soon

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

Sat, Oct 17 · Vancouver, WA Vancouver

5K10K13.1M

From $30 Open Closing Soon

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

Sat, Oct 17 · Everett, WA Everett

5K10KHalf Marathon

From $30 Open Closing Soon

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Girlfriends Run

Sun, Oct 18 · Vancouver, WA Vancouver

6K Walk6K Run6K Pink Brigade Guy +10

From $0 Open Closing Soon

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Running Scared 5K/13K - Seattle

Sun, Oct 18 · Seattle, WA Seattle

Scaredy Cat 5KScaredy Cat 5K-No SwagVirtual Scaredy Cat 5K +5

From $30 Open Closing Soon

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

Sat, Oct 24 · Spokane, WA Spokane

5K10KHalf Marathon

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

Sat, Oct 31 · Seattle, WA Seattle

Family 1 Mile Fun RunVirtual Run Registration5K Registration +3

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/10K/13.1 Eco-Registration (No Shirt) +3

From $30 Open

Register →

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

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

Sat, Nov 14 · Seattle, WA Seattle

Family 1 Mile Fun Run5K RegistrationVirtual Run Registration +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

Register →

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

Sat, Nov 14 · 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 (46)

Sat, Nov 14 · Everett, WA Everett

5K10KHalf Marathon

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 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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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 Olympia, WA (48)

Sat, Nov 28 · Olympia, WA Olympia

5K10KHalf Marathon

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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Coffee Lovers Run 5K/10K/13.1 SEATTLE

Sat, Nov 28 · Seattle, WA Seattle

Family 1 Mile Fun RunVirtual Run Registration5K Registration +3

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 Mile5K Registration5K/10K/13.1 Eco-Registration (No Shirt) +3

From $30 Open

Register →

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

Sat, Nov 28 · Camas, WA Camas

5K10K13.1M

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

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

Sat, Dec 12 · Camas, WA Camas

5K10K13.1M

From $30 Open

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

Sat, Dec 12 · Everett, WA Everett

5K10KHalf Marathon

From $30 Open

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

Sat, Dec 12 · Seattle, WA Seattle

Family 1 Mile Fun RunVirtual Run Registration5K Registration +3

From $30 Open

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Sunrise Marathon 5K/10K/13.1 SEATTLE

Sat, Dec 12 · Seattle, WA Seattle

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

From $30 Open

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2026 Jingle Bell Run - Seattle, WA

Sun, Dec 13 · Seattle, WA Seattle

1 Mile with Packet Shipping1 Mile5K Untimed with Packet Shipping +11

From $25 Open

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Holiday 5K, 10K, & 13.1M at Everett, WA (51)

Sat, Dec 19 · Everett, WA Everett

5K10KHalf Marathon

From $30 Open

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Holiday fun Run

Sat, Dec 19 · Seattle, WA Seattle

5k10k15k +1

From $6 Open

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Holiday 5K, 10K, 13.1M at Vancouver, WA (51)

Sat, Dec 19 · Vancouver, WA Vancouver

5K10K13.1M

From $30 Open

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Holiday 5K, 10K, & 13.1M at Camas, WA (52)

Sat, Dec 26 · Camas, WA Camas

5K10K13.1M

From $30 Open

Register →

Holiday 5K, 10K, & 13.1M at Olympia, WA (52)

Sat, Dec 26 · Olympia, WA Olympia

5K10KHalf Marathon

From $30 Open

Register →