Half Marathons in Washington — 2026

There are 91 half marathons in Washington scheduled for 2026. The next is the Sun City Barry James Memorial 5K and Half Marathon in Yakima on October 11. Washington half marathons run primarily October.

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

Sat, Dec 26 · Spokane, WA Spokane

5K10KHalf Marathon

From $30 Open

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New Year's Run 5K/10K/13.1 SEATTLE

Sat, Dec 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

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A Merry Christmas Run 5K/10K/13.1 SEATTLE

Sat, Dec 26 · Seattle, WA Seattle

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

From $30 Open

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2027 SRC Season Pass and Multi-Race Passes

Fri, Jan 1 · Snohomish, WA Snohomish

2027 3 Race Pass2027 Season Pass2027 5 Race Pass +1

From $150 Open

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2027 Fort Steilacoom Resolution Series

Sat, Jan 9 · Lakewood, WA Lakewood

5K Series (5K - 5K - 5K)5K - #2 February5K - #1 January +19

From $30 Open

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MLK Jr. Freedom Run 5K/10K/13.1 SEATTLE

Sat, Jan 16 · Seattle, WA Seattle

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

From $30 Open

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Sunrise Marathon 5K/10K/13.1 SEATTLE

Sat, Jan 16 · Seattle, WA Seattle

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

From $30 Open

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Coffee Lover Run SEATTLE

Sat, Jan 30 · 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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Run for Donut SEATTLE

Sat, Jan 30 · Seattle, WA Seattle

Family 1 Mile Fun RunVirtual Run Registration5K Registration +3

From $30 Open

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Richland RunFest 2027

Fri, Feb 5 · Richland, WA Richland

5KVirtual 5KVirtual 5K +9

From $20 Closed 85 spots left

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Valentine's Day Run 5K/10K/13.1 SEATTLE

Sat, Feb 13 · 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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Run for Chocolate 5K/10K/13.1 SEATTLE

Sat, Feb 13 · Seattle, WA Seattle

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

From $30 Open

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My Better Half Marathon

Sun, Feb 14 · Seattle, WA Seattle

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

From $45 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)Virtual Run Registration +3

From $30 Open

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Run Together Against Breast Cancer SEATTLE

Sat, Feb 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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2027 Woodinville Half and 10K

Sat, Feb 27 · Woodinville, WA Woodinville

10KHalf Marathon

From $50 Open

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Winter Fun Run

Sat, Feb 27 · Seattle, WA Seattle

5k10k15k +1

From $6 Open

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Brooks Lake Sammamish Half Marathon presented by REI

Sat, Mar 6 · Redmond, WA Redmond

Virtual Half MarathonHalf MarathonSaturday Half Marathon +2

From $50 Open 30 spots left

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Run The Green

Sat, Mar 13 · Kent, WA Kent

10K10KHalf Marathon +3

From $42 Open

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

From $30 Open

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SuperHeroes 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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2027 Mill Town Half Marathon, 10K and 5K

Sat, Mar 27 · Everett, WA Everett

Military or Veteran 5K5K10K +3

From $35 Open

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Sloth Run 5K/10K/13.1 SEATTLE

Sat, Apr 10 · Seattle, WA Seattle

Family 1 Mile Fun Run5K RegistrationVirtual 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 RegistrationVirtual Run 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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Run for Donut SEATTLE

Sat, Apr 24 · 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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Coffee Lover Run SEATTLE

Sat, Apr 24 · 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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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 85 spots left

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Snohomish Women's Run

Sat, May 8 · Everett, WA Everett

Virtual Snohomish Women's Run 5kSnohomish Women's Run 5kSnohomish 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 RunVirtual Run Registration5K Registration +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 15 spots left

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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 RunVirtual Run Registration5K 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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The Great Ferry Race

Sun, Jun 6 · Bainbridge Island, WA Bainbridge Island

The Great Ferry RaceThe Great Ferry Race

From $79 Open

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Snoqualmie Valley Half

Sat, Jun 19 · Carnation, WA Carnation

10K10K1/2 Marathon +3

From $45 Open

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Run Juneteenth Day 5K/10K/13.1 SEATTLE

Sat, Jun 19 · Seattle, WA Seattle

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

From $30 Open

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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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Craft Classic Seattle

Sun, Aug 1 · Redmond, WA Redmond

5K5KHalf Marathon +1

From $33 Open

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

Sat, Aug 14 · Washougal, WA Washougal

5K-No Shirt5K-No ShirtVirtual 5K +15

From $35 Closed

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Popsicle 5K/10K/Half - Richland

Sat, Aug 21 · Richland, WA Richland

5K-No Shirt5K5K +15

From $35 Closed

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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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The Brooks Orca Half Marathon presented by REI

Sat, Sep 18 · Seattle, WA Seattle

Orca 8-Miler (Sunday)Orca 8-Miler (Sunday)Blowhole Challenge +7

From $60 Open 50 spots left

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Run for the Gnomes Half Marathon & 5K

Sat, Oct 2 · Maple Valley, WA Maple Valley

Run for the Gnomes 5KRun for the Gnomes 5KRun for the Gnomes Half Marathon +1

From $32 Closed

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