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.

Eagle 5K, 10K, 13.1M at, Pasco, WA (29)

Sat, Jul 18 · Pasco, WA Pasco

5K10KHalf Marathon

From $30 Open Closing Soon

Register →

Eagle 5K, 10K, & 13.1M at Everett, WA (29)

Sat, Jul 18 · Everett, WA Everett

5K10KHalf Marathon

From $30 Open Closing Soon

Register →

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

Sat, Jul 18 · Spokane, WA Spokane

Virtual 5K5KVirtual 10K +3

From $40 Open Closing Soon

Register →

Olympia Lakefair Races - Half Marathon, 8K & 3K

Sat, Jul 18 · Olympia, WA Olympia

3K Run & 3K Kid's Run8K RunJerry Miller Half Marathon

From $19.75 Open Closing Soon

Register →

B & O Half Marathon and 10k

Sun, Jul 19 · Orting, WA Orting

B&O 10kB&O Half Marathon

From $59 Open Closing Soon

Register →

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

Sun, Jul 19 · Richland, WA Richland

Virtual 5K5KVirtual 10K +4

From $25 Open Closing Soon

Register →

Run for Coffee Lovers 5K/10K/13.1 SEATTLE

Sat, Jul 25 · 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 Closing Soon

Register →

University Place Twisted Cider 5K, 12K & 1K

Sat, Jul 25 · University Place, WA University Place

Kids 1K Run5K12K

From $10 Open Closing Soon

Register →

Eagle 5K, 10K, & 13.1M at Camas, WA (30)

Sat, Jul 25 · Camas, WA Camas

5K10K13.1M

From $30 Open Closing Soon

Register →

Eagle 5K, 10K, & 13.1M, Spokane, WA, (30)

Sat, Jul 25 · Spokane, WA Spokane

5K10KHalf Marathon

From $30 Open Closing Soon

Register →

Eagle 5K, 10K, & 13.1M at Olympia, WA (30)

Sat, Jul 25 · Olympia, WA Olympia

5K10KHalf Marathon

From $30 Open Closing Soon

Register →

Run for Donuts 5K/10K/13.1 SEATTLE

Sat, Jul 25 · Seattle, WA Seattle

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

From $30 Open Closing Soon

Register →

Run Like a Viking Virtual Challenge 5K/10K/Half Marathon

Sat, Aug 1 · Seattle, WA Seattle

Virtual 5K Run/Walk ChallengeVirtual 10K Run/Walk ChallengeVirtual 1/2 Run/Walk Challenge

From $45 Open

Register →

Ninja 5K, 10K & 13.1M at Everett, WA (31)

Sat, Aug 1 · Everett, WA Everett

5K10KHalf Marathon

From $30 Open

Register →

Craft Classic Seattle

Sun, Aug 2 · Redmond, WA Redmond

5KHalf Marathon

From $33 Open

Register →

Ninja 5K, 10K, & 13.1M at Everett, WA (32)

Sat, Aug 8 · Everett, WA Everett

5K10KHalf Marathon

From $30 Open

Register →

Ninja 5K, 10K, & 13.1M at Camas, WA (32)

Sat, Aug 8 · Camas, WA Camas

5K10K13.1M

From $30 Open

Register →

Race the Reserve Whidbey Island

Sat, Aug 8 · Coupeville, WA Coupeville

Race the Reserve 5kRace the Reserve 10kRace the Reserve Half Marathon +1

From $30 Open

Register →

Ninja 5K, 10K, & 13.1M at Olympia, WA (32)

Sat, Aug 8 · Olympia, WA Olympia

5K10KHalf Marathon

From $30 Open

Register →

Vashon Dock to Dock Run - 15 mile Run and Relay

Sun, Aug 9 · Vashon, WA Vashon

Vashon Dock to Dock RelayVahon Dock to Dock - 15mile Run

From $65 Open

Register →

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

Sat, Aug 15 · Washougal, WA Washougal

5K-No Shirt5KVirtual 5K +6

From $35 Open

Register →

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

Sat, Aug 15 · Seattle, WA Seattle

Family 1 Mile Fun Run5K RegistrationVirtual Run Registration +3

From $30 Open

Register →

Ninja 5K, 10K, 13.1M at Pasco, WA (33)

Sat, Aug 15 · Pasco, WA Pasco

5K10KHalf Marathon

From $30 Open

Register →

Twilight at the Bay

Sat, Aug 15 · University Place, WA University Place

Twilight at the Bay 5kTwilight at the Bay 10kTwilight at the Bay Half Marathon

From $33 Open

Register →

Ninja 5K, 10K, 13.1M at Vancouver, WA (33)

Sat, Aug 15 · Vancouver, WA Vancouver

5K10K13.1M

From $30 Open

Register →

Bagel Run 5K/10K/13.1 SEATTLE

Sat, Aug 15 · Seattle, WA Seattle

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

From $30 Open

Register →

Ninja 5K, 10K & 13.1M at Everett, WA (33)

Sat, Aug 15 · Everett, WA Everett

5K10KHalf Marathon

From $30 Open

Register →

Ninja 5K, 10K, & 13.1M at Camas, WA (34)

Sat, Aug 22 · Camas, WA Camas

5K10K13.1M

From $30 Open

Register →

2026 Kirk-Wood Half Marathon

Sat, Aug 22 · Kirkland, WA Kirkland

Kirk-Wood Half Marathon

From $75 Open

Register →

Ninja 5K, 10K, & 13.1M at Olympia, WA (34)

Sat, Aug 22 · Olympia, WA Olympia

5K10KHalf Marathon

From $30 Open

Register →

Ninja 5K, 10K, & 13.1M at Spokane, WA (34)

Sat, Aug 22 · Spokane, WA Spokane

5K10KHalf Marathon

From $30 Open

Register →

Popsicle 5K/10K/Half - Richland

Sat, Aug 22 · Richland, WA Richland

Virtual 5K5K-No Shirt5K +6

From $35 Open

Register →

Children of the Sun Half Marathon

Sat, Aug 22 · Spokane, WA Spokane

5K12KHalf Marathon

From $25 Open Closing Soon 13 spots left

Register →

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

Sat, Aug 29 · Seattle, WA Seattle

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

From $30 Open

Register →

Sloth Run 5K/10K/13.1 SEATTLE

Sat, Aug 29 · Seattle, WA Seattle

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

From $30 Open

Register →

Medal Madness 5K, 10K, 13.1M at Vancouver, WA (35)

Sat, Aug 29 · Vancouver, WA Vancouver

5K10K13.1M

From $30 Open

Register →

Iron Horse Half Marathon

Sun, Aug 30 · North Bend, WA North Bend

Virtual Half MarathonHalf Marathon

From $52 Open Closing Soon 40 spots left

Register →

Medal Madness 5K, 10K, 13.1M & 26.2M at Everett, WA (36)

Sat, Sep 5 · Everett, WA Everett

5K10KHalf Marathon +1

From $30 Open

Register →

BRRC Cross Country Series

Sun, Sep 6 · Spokane, WA Spokane

BRRC 7-Mile Airstrip 5K Cross CountryBRRC Mead 5K Cross CountryBRRC Audubon 5K Cross Country +1

From $20 Open

Register →

Redmond Harvest Half Marathon

Mon, Sep 7 · Redmond, WA Redmond

Half Marathon

From $59 Open Closing Soon

Register →

Medal Madness 5K, 10K & 13.1M at Camas, WA (37)

Sat, Sep 12 · Camas, WA Camas

5K10K13.1M

From $30 Open

Register →

Medal Madness 5K, 10K, & 13.1M at Everett, WA (37)

Sat, Sep 12 · Everett, WA Everett

5K10KHalf Marathon

From $30 Open

Register →

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

Sat, Sep 12 · Seattle, WA Seattle

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

From $30 Open

Register →

National Chocolate Day: Run for Chocolates 5K/10K/13.1 SEATTLE

Sat, Sep 12 · Seattle, WA Seattle

Family 1 Mile Fun RunVirtual Run Registration5K Registration +3

From $30 Open

Register →

March for the Fallen 2026

Sat, Sep 12 · Nine Mile Falls, WA Nine Mile Falls

5k Ruck (35lb pack minimum weight for competitive ruck)5k Run or Walk10k Ruck (35lb pack minimum weight for competitive ruck) +4

From $30 Closed

Register →

Medal Madness 5K, 10K, & 13.1M at Olympia, WA (37)

Sat, Sep 12 · Olympia, WA Olympia

5K10KHalf Marathon

From $30 Open

Register →

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

Sat, Sep 19 · Vancouver, WA Vancouver

5K10K13.1M

From $30 Open

Register →

Anacortes Half Marathon & 5k

Sat, Sep 19 · Anacortes, WA Anacortes

The Anacortes 5kThe Anacortes Half Marathon

From $32 Open Closing Soon

Register →

Medal Madness 5K, 10K & 13.1M at Everett, WA (38)

Sat, Sep 19 · Everett, WA Everett

5K10KHalf Marathon

From $30 Open

Register →

Medal Madness 5K, 10K, 13.1M at Pasco, WA (38)

Sat, Sep 19 · Pasco, WA Pasco

5K10KHalf Marathon

From $30 Open

Register →