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.

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

Sat, Dec 12 · 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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Sunrise Marathon 5K/10K/13.1 SEATTLE

Sat, Dec 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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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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2026 Jingle Bell Run - Seattle, WA

Sun, Dec 13 · Seattle, WA Seattle

1 Mile1 Mile with Packet Shipping5K Timed 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 5K, 10K, 13.1M at Vancouver, WA (51)

Sat, Dec 19 · Vancouver, WA Vancouver

5K10K13.1M

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

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

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

Sat, Dec 26 · 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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Holiday 5K, 10K, & 13.1M at Olympia, WA (52)

Sat, Dec 26 · Olympia, WA Olympia

5K10KHalf Marathon

From $30 Open

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

Sat, Dec 26 · Spokane, WA Spokane

5K10KHalf Marathon

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

From $30 Open

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Coffee Lover Run SEATTLE

Sat, Jan 30 · Seattle, WA Seattle

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

From $30 Open

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Run for Donut SEATTLE

Sat, Jan 30 · 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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Richland RunFest 2027

Fri, Feb 5 · Richland, WA Richland

Virtual 5K5KVirtual 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 MileVirtual Run Registration (5K/10K/13.1)5K/10K/13.1 Eco-Registration (No Shirt) +3

From $30 Open

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Brooks Lake Sammamish Half Marathon presented by REI

Sat, Mar 6 · Redmond, WA Redmond

Virtual Half MarathonSaturday Half MarathonVirtual Half Marathon +2

From $50 Closed 30 spots left

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2027 Woodinville Half and 10K

Sun, Mar 7 · Woodinville, WA Woodinville

10KHalf Marathon

From $50 Open

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Shamrock Shuffle

Sun, Mar 14 · Spokane, WA Spokane

Kids Fun RunKids Fun Run5K +7

From $0 Closed

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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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The Split

Sat, Apr 10 · Spokane, WA Spokane

Kids Fun RunKids Fun Run5K +9

From $0 Closed

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Kirkland Half Marathon & 5K

Sun, May 2 · Kirkland, WA Kirkland

Kid's RaceKid's Race5K +3

From $12 Closed 85 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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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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