0014

Half Marathons Found In Washington in Summer

View all ↓

Half Marathons in Washington in Summer 2026

Find A Race is the US's favourite event listings site. Check out our list of Summer 2026 Half Marathons in Washington below.

Race Calendar: Half Marathons Found In Summer

🚀Boosted

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

Port Angeles, Washington
06 Jun 26 - 29 Jul 26
$16.90 - $263.50
🚀Boosted

Jasper Mountain Trail Fest 2026

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

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

Port Angeles, Washington
06 Jun 26 - 29 Jul 26
$16.90 - $263.50

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

Seattle, Washington
06 Jun 26
$32.80 - $48.70

Medal Madness 5K, 10K, & Half Marathon at Heritage Park, Olympia, WA (24) 80

Olympia, Washington
13 Jun 26
$33.80 - $70.90

Jasper Mountain Trail Fest 2026

Dayton, Washington
20 Jun 26
$22.20 - $54.00

Jasper Mountain Trail Fest 2026

Dayton, Washington
20 Jun 26
$22.20 - $54.00

Medal Madness 5K, 10K, & Half Marathon at Liberty Park, Spokane, WA (26) 80

Spokane, Washington
27 Jun 26
$33.80 - $70.90

Eagle 5K, 10K, & Half Marathon at Heritage Park, Olympia, WA (27) 80

Olympia, Washington
04 Jul 26
$33.80 - $70.90

Jack & Jill Downhill Marathon, Half Marathon Washington

North Bend, Washington
25 Jul 26 - 26 Jul 26
$127.14 - $158.94

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

Seattle, Washington
25 Jul 26
$32.80 - $48.70

Ninja 5K, 10K, & Half Marathon at Heritage Park, Olympia, WA (32) 80

Olympia, Washington
08 Aug 26
$33.80 - $70.90

Iron Horse Half Marathon

North Bend, Washington
30 Aug 26
$56.73

The Great Ferry Race

Bainbridge Island, Washington
07 Jun 26
$85.89

Snoqualmie Valley Half

Carnation, Washington
27 Jun 26
$49.47 - $81.57

Craft Classic Seattle

Redmond, Washington
26 Jul 26
$37.23 - $85.89
Showing 1-14 of 14 results

Win
every
month

Sign-up to our email newsletter and you'll be automatically entered into a monthly prize draw to win running kit, from award-winning tech to the latest running shoes. This month it's the Shokz OpenRun Pro 2 headphones worth $180

By signing up you agree to our privacy policy and terms

Image: © Shokz