0137

Half Marathons Found In Washington

View all ↓

Half Marathons in Washington 2026 - 2027

The most comprehensive list of Half Marathons in and near Washington in 2026 - 2027. Find your perfect race!

If you're exploring half marathon races in nearby states, take a look at our range of:

Start your adventure with findarace, your one-stop destination for the most comprehensive list of runs, swims, and cycles across the US.


Race Calendar: Half Marathons Found In Washington

🚀Boosted

Mount Rainier Trail Events

Enumclaw, Pierce
Fri 17 Jul 26 - Sat 18 Jul 26
$114.00 - $190.00
🚀Boosted

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

Olympia, Washington
Sat 18 Jul 26
$44.00 - $77.00
🚀Boosted

B & O Half Marathon and 10k

Orting, Washington
Sun 19 Jul 26
$76.26 - $108.06
🚀Boosted

Jack & Jill Marathon & Half

North Bend, Washington
Sat 25 Jul 26 - Sun 26 Jul 26
$150.46 - $182.26
Feature your event at the top of the results

Want more bookings?

Our most effective tool for getting more people to your race is a ‘Boost’. Boosts put your event to the top of the search results.

Typically a Boosted event gets 8x as many Impressions, 4x as many Clicks and generates 4x more revenue than a standard event listing.

Choose to Boost your event on the landing page which best suits your target audience and budget. For example, ‘10k’s near San Francisco or ‘marathons in April’. Our team can advise on scheduling promotions to optimize performance.

Prices start at $100 per month. The most popular categories sell out in advance so booking early is recommended.

Get in touch

Hi, I'm Rosie from findarace.com!

If you're looking to boost your event or have any questions, please fill in your details below and I'll be in touch to help you.

Three Lakes Triathlons and Kings Market San Juan Island Runs

Friday Harbor, Washington
Sun 15 Feb 26 - Sat 20 Jun 26
$59.30 - $244.80

San Juan Island Half

Friday Harbor, Washington
Sat 09 May 26
$18.37 - $133.41

Luau 5K, 10K, & 13.1M at Olympia, WA (19)

Olympia, Washington
Sat 09 May 26
$33.80 - $70.90

Luau 5K, 10K, & 13.1M at Everett, WA (19)

Everett, Washington
Sat 09 May 26
$33.80 - $70.90

Snohomish Women's Run

Everett, Washington
Sat 09 May 26
$48.70 - $110.18

Super Mom 5K/10K/Half Marathon - Portland (Washougal)

Washougal, Washington
Sun 10 May 26
$33.60 - $65.20

Soaring Eagle Trail Run

Sammamish, Washington
Sat 16 May 26
Free - $68.61

Luau 5K, 10K, & 13.1M at Everett, WA (20)

Everett, Washington
Sat 16 May 26
$33.80 - $70.90

Capital City Marathon

Olympia, Washington
Sat 16 May 26 - Sun 17 May 26
Free - $119.37

Luau 5K, 10K, & 13.1M at Pasco, WA (20)

Pasco, Washington
Sat 16 May 26
$33.80 - $70.90

Windermere Marathon

Spokane, Washington
Sun 17 May 26
Free - $133.50

Luau 5K, 10K, & 13.1M at Camas, WA (21)

Camas, Washington
Sat 23 May 26
$33.80 - $70.90

Luau 5K, 10K, & 13.1M at Olympia, WA (21)

Olympia, Washington
Sat 23 May 26
$33.80 - $70.90

Luau 5K, 10K, & 13.1M at Spokane, WA (21)

Spokane, Washington
Sat 23 May 26
$33.80 - $70.90

Memorial Day Run 5K/10K/13.1 SEATTLE

Seattle, Washington
Sat 23 May 26
$32.80 - $64.60

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

Seattle, Washington
Sat 23 May 26
$32.80 - $64.60

Echo Valley

Chelan, Washington
Sat 30 May 26
Free - $118.29

Spring - Mud Mountain Dam Marathon & Half Marathon

Enumclaw, Washington
Sat 30 May 26
$109.50 - $120.20

Big River Race

Pasco, Washington
Sat 30 May 26
Free - $69.90

Run the 509

Deer Park, Washington
Sun 31 May 26
$38.10 - $101.70

SuperHeroes Run 5K/10K/13.1 SEATTLE

Seattle, Washington
Sat 06 Jun 26
$32.80 - $64.60

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

Seattle, Washington
Sat 06 Jun 26
$32.80 - $64.60

Medal Madness 5K, 10K, & 13.1M at Everett, WA (23)

Everett, Washington
Sat 06 Jun 26
$33.80 - $70.90

North Olympic Discovery Marathon (5K / 10K/ Half / Full / Relay / Kids Marathon)

Port Angeles, Washington
Sat 06 Jun 26 - Wed 29 Jul 26
$16.90 - $368.50

The Great Ferry Race

Bainbridge Island, Washington
Sun 07 Jun 26
$107.49

Super Hyak Marathon and Half

North Bend, Washington
Sat 13 Jun 26
$148.34 - $182.26

Medal Madness 5K, 10K, & 13.1M at Everett, WA (24)

Everett, Washington
Sat 13 Jun 26
$33.80 - $70.90

Medal Madness 5K, 10K, & 13.1M at Olympia, WA (24)

Olympia, Washington
Sat 13 Jun 26
$33.80 - $70.90

Bound for Boston Marathon & Half Marathon - Seattle

Olympia, Washington
Sun 14 Jun 26
$49.10 - $102.70

Jasper Mountain Trail Fest 2026

Dayton, Washington
Sat 20 Jun 26
$22.20 - $54.00

Sloth Run 5K/10K/13.1 SEATTLE

Seattle, Washington
Sat 20 Jun 26
$32.80 - $48.70

Run Juneteenth Day 5K/10K/13.1 SEATTLE

Seattle, Washington
Sat 20 Jun 26
$32.80 - $48.70

Snoqualmie Valley Half

Carnation, Washington
Sat 20 Jun 26
$65.37 - $97.77

Medal Madness 5K, 10K, & 13.1M at Pasco, WA (25)

Pasco, Washington
Sat 20 Jun 26
$33.80 - $70.90

Tiger Peak Challenge

Issaquah, Washington
Sat 20 Jun 26
Free - $110.73

Medal Madness 5K, 10K, & 13.1M at Camas, WA (26)

Camas, Washington
Sat 27 Jun 26
$33.80 - $70.90

Medal Madness 5K, 10K, & 13.1M at Olympia, WA (26)

Olympia, Washington
Sat 27 Jun 26
$33.80 - $70.90

Medal Madness 5K, 10K, & 13.1M at Spokane, WA (26)

Spokane, Washington
Sat 27 Jun 26
$33.80 - $70.90

Christmas 5K/10K/Half Marathon in July - Portland (Washougal)

Washougal, Washington
Sat 04 Jul 26
$39.10 - $59.90
5.0

Eagle 5K, 10K, & 13.1M at Olympia, WA (27)

Olympia, Washington
Sat 04 Jul 26
$33.80 - $70.90
Showing 1-40 of 137 results
Prev
1 2 3 4
Next

Win $500
nike.com
gift card!

Sign-up to our email newsletter this November and you'll be automatically entered into a prize draw to win a $500 digital gift card to spend at nike.com

By signing up you agree to our privacy policy and terms

Image: © Nike