Half Marathons in Washington — 2026

There are 102 half marathons in Washington scheduled for 2026. The next is the Haunted 5K, 10K & 13.1M at Camas, WA (43) in Camas on October 24. Washington half marathons run primarily October.

My Better Half Marathon

Sun, Feb 14 · Seattle, WA Seattle

My Better Half 5KMy Better Half 10KMy Better Half Marathon +1

From $45 Open Closing Soon

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Viking 5K, 10K, 13.1M at Vancouver, WA (08)

Sat, Feb 20 · Vancouver, WA Vancouver

5K10K13.1M

From $30 Open

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Run For Mental Health SEATTLE

Sat, Feb 27 · Seattle, WA Seattle

Family 1 Mile Fun Run5K/10K/13.1 Eco-Registration (No Shirt)5K Registration +3

From $30 Open

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Winter Fun Run

Sat, Feb 27 · Seattle, WA Seattle

5k10k15k +1

From $6 Open

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2027 Woodinville Half and 10K

Sat, Feb 27 · Woodinville, WA Woodinville

10KHalf Marathon

From $50 Open

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Run Together Against Breast Cancer SEATTLE

Sat, Feb 27 · 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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Vancouver Lake Half Marathon & 4 Mile Run

Sun, Feb 28 · Vancouver, WA Vancouver

4 Mile run4 Mile runHalf Marathon +1

From $25 Open 100 spots left

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Brooks Lake Sammamish Half Marathon presented by REI

Sat, Mar 6 · Redmond, WA Redmond

Virtual Half MarathonHalf MarathonVirtual Half Marathon +2

From $50 Open Closing Soon 30 spots left

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Run The Green

Sat, Mar 13 · Kent, WA Kent

10K10KHalf Marathon +3

From $42 Open Closing Soon

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St. Paddy's Day Run Tacoma

Sat, Mar 13 · Tacoma, WA Tacoma

5K5K10K +3

From $35 Closed

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Shamrock Shuffle

Sun, Mar 14 · Spokane, WA Spokane

Kids Fun RunKids Fun Run5K +7

From $0 Open

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Sunrise Marathon 5K/10K/13.1 SEATTLE

Sat, Mar 20 · Seattle, WA Seattle

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

From $30 Open

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St. Paddy's Day Lucky Run 5K/10K/13.1 SEATTLE

Sat, Mar 20 · Seattle, WA Seattle

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

From $30 Open

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Squirrel 5K, 10K, 13.1M at Vancouver, WA (12)

Sat, Mar 20 · Vancouver, WA Vancouver

5K10K13.1M

From $30 Open

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2027 Mill Town Half Marathon, 10K and 5K

Sat, Mar 27 · Everett, WA Everett

5KMilitary or Veteran 5K10K +3

From $35 Open

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Always Hope Easter Run SEATTLE

Sat, Mar 27 · Seattle, WA Seattle

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

From $30 Open

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SuperHeroes Run SEATTLE

Sat, Mar 27 · Seattle, WA Seattle

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

From $30 Open

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Sloth Run 5K/10K/13.1 SEATTLE

Sat, Apr 10 · Seattle, WA Seattle

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

From $30 Open

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

Sat, Apr 10 · Seattle, WA Seattle

Family 1 Mile Fun Run5K/10K/13.1 Eco-Registration (No Shirt)5K Registration +3

From $30 Open

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The Split

Sat, Apr 10 · Spokane, WA Spokane

Kids Fun RunKids Fun Run5K +9

From $0 Open

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Medal Madness 5K, 10K, 13.1M at Vancouver, WA (16)

Sat, Apr 17 · Vancouver, WA Vancouver

5K10K13.1M

From $30 Open

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Coffee Lover Run SEATTLE

Sat, Apr 24 · Seattle, WA Seattle

Family 1 Mile Fun Run5K/10K/13.1 Eco-Registration (No Shirt)5K Registration +3

From $30 Open

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Run for Donut SEATTLE

Sat, Apr 24 · Seattle, WA Seattle

Family 1 Mile Fun Run5K RegistrationVirtual Run Registration +3

From $30 Open

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Spring Classic Duathlon, Half, 10k & 5k

Sat, May 1 · Vancouver, WA Vancouver

5K5KHalf Marathon +13

From $41 Open

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Kirkland Half Marathon & 5K

Sun, May 2 · Kirkland, WA Kirkland

Kid's RaceKid's Race5K +3

From $12 Open Closing Soon 85 spots left

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Snohomish Women's Run

Sat, May 8 · Everett, WA Everett

Snohomish Women's Run 5kVirtual Snohomish Women's Run 5kVirtual Snohomish Women's Run 5k +9

From $38 Open

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Run for Chocolate 5k/10k/13.1 SEATTLE

Sat, May 8 · Seattle, WA Seattle

Family 1 Mile Fun Run5K Registration5K/10K/13.1 Eco-Registration (No Shirt) +3

From $30 Open

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San Juan Island Half

Sat, May 8 · Friday Harbor, WA Friday Harbor

Kid's RaceKid's RaceSan Juan Island Half Marathon +1

From $15 Open Closing Soon 15 spots left

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Pirate 5K, 10K, 13.1M at Vancouver, WA (20)

Sat, May 15 · Vancouver, WA Vancouver

5K10K13.1M

From $30 Open

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Annie Curtis Half Marathon & 5K

Sun, May 16 · Anacortes, WA Anacortes

Kid's Run5KHalf Marathon

From $10 Closed

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2027 Evergreen Half and 5 Mile

Sun, May 23 · Snohomish, WA Snohomish

Evergreen 5 MileEvergreen Half Marathon

From $45 Open

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SuperHeroes Run SEATTLE

Sat, May 29 · Seattle, WA Seattle

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

From $30 Open

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Big River Race

Sat, May 29 · Pasco, WA Pasco

Big River 5kBig River 5kBig River 10k +5

From $20 Closed 50 spots left

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Medal Madness 5K, 10K, 13.1M at Vancouver, WA (22)

Sat, May 29 · Vancouver, WA Vancouver

5K10K13.1M

From $30 Open

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The Great Ferry Race

Sun, Jun 6 · Bainbridge Island, WA Bainbridge Island

The Great Ferry RaceThe Great Ferry Race

From $79 Open Closing Soon

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Snoqualmie Valley Half

Sat, Jun 19 · Carnation, WA Carnation

10K10K1/2 Marathon +3

From $45 Open Closing Soon

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Run Juneteenth Day 5K/10K/13.1 SEATTLE

Sat, Jun 19 · 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

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Squirrel 5K, 10K, 13.1M at Vancouver, WA (25)

Sat, Jun 19 · Vancouver, WA Vancouver

5K10K13.1M

From $30 Open

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Medal Madness 5K, 10K, 13.1M at Vancouver, WA (29)

Sat, Jul 17 · Vancouver, WA Vancouver

5K10K13.1M

From $30 Open

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Christmas 5K/10K/Half Marathon in July - Richland

Sun, Jul 18 · Richland, WA Richland

Virtual 5KVirtual 5K5K +11

From $25 Closed

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2027 Kirk-Wood Half Marathon

Sat, Jul 24 · Kirkland, WA Kirkland

Kirk-Wood Half MarathonKirk-Wood Half Marathon

From $75 Closed

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Medal Madness 5K, 10K, 13.1M at Vancouver, WA (30)

Sat, Jul 31 · Vancouver, WA Vancouver

5K10K13.1M

From $30 Open

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Craft Classic Seattle

Sun, Aug 1 · Redmond, WA Redmond

5K5KHalf Marathon +1

From $33 Open Closing Soon

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

Sat, Aug 14 · Washougal, WA Washougal

5KVirtual 5KVirtual 5K +15

From $35 Closed

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Popsicle 5K/10K/Half - Richland

Sat, Aug 21 · Richland, WA Richland

5KVirtual 5KVirtual 5K +15

From $35 Closed

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Luau 5K, 10K, 13.1M at Vancouver, WA (34)

Sat, Aug 21 · Vancouver, WA Vancouver

5K5K10K +3

From $30 Open

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Iron Horse Half Marathon

Sun, Aug 29 · North Bend, WA North Bend

Half MarathonHalf MarathonVirtual Half Marathon +1

From $52 Open 50 spots left

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Redmond Harvest Half Marathon

Mon, Sep 6 · Redmond, WA Redmond

Half MarathonHalf Marathon

From $59 Closed

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

Sat, Sep 18 · Vancouver, WA Vancouver

5K5K10K +3

From $30 Open

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The Brooks Orca Half Marathon presented by REI

Sat, Sep 18 · Seattle, WA Seattle

Orca 8-Miler (Sunday)Orca 8-Miler (Sunday)Virtual Half Marathon or 8 Miler +7

From $60 Open Closing Soon 50 spots left

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