0021

Half Marathons Found In Washington in March

View all ↓

Half Marathons in Washington in March 2026

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

Race Calendar: Half Marathons Found In March

🚀Boosted

Medal Madness 5K, 10K, 13.1, & 26.2 at Langus Riverfront Park, Everett, WA (10) 80

Everett, Washington
Sat 07 Mar 26
$33.80 - $97.40
🚀Boosted

Brooks Lake Sammamish Half Marathon presented by REI

Redmond, Washington
Sat 07 Mar 26
$56.73 - $95.61
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.

Richland RunFest 2026

Richland, Washington
Fri 06 Feb 26 - Fri 06 Mar 26
$27.50 - $69.90

Three Lakes Triathlons and Kings Market San Juan Island Runs

Friday Harbor, Washington
Sun 15 Feb 26 - Sat 20 Jun 26
$54.00 - $244.80

Brooks Lake Sammamish Half Marathon presented by REI

Redmond, Washington
Sat 07 Mar 26
$56.73 - $95.61

Medal Madness 5K, 10K, 13.1, & 26.2 at Langus Riverfront Park, Everett, WA (10) 80

Everett, Washington
Sat 07 Mar 26
$33.80 - $97.40

SuperHeroes Run 5K/10K/13.1 SEATTLE

Seattle, Washington
Sat 07 Mar 26
$32.80 - $48.70

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

Seattle, Washington
Sat 07 Mar 26
$32.80 - $48.70

Medal Madness 5K, 10K, & Half Marathon at Heritage Park, Olympia, WA (11) 80

Olympia, Washington
Sat 14 Mar 26
$33.80 - $70.90

St. Paddy's Day Run Tacoma

Tacoma, Washington
Sat 14 Mar 26
$61.35 - $104.15

St. Paddy's Day Lucky Run 5K/10K/13.1 SEATTLE

Seattle, Washington
Sat 14 Mar 26
$32.80 - $48.70

Medal Madness 5K, 10K, & Half Marathon at McCollum Park, Everett, WA (11S40)

Everett, Washington
Sat 14 Mar 26
$33.80 - $70.90

Sloth Run 5K/10K/13.1 SEATTLE

Seattle, Washington
Sat 14 Mar 26
$32.80 - $48.70

Run The Green

Kent, Washington
Sat 14 Mar 26
$56.73 - $83.73

Shamrock Shuffle

Spokane, Washington
Sun 15 Mar 26
Free - $107.00

Medal Madness 5K, 10K, 13.1, & 26.2 at Chiawana Park, Pasco, WA (12) 80

Pasco, Washington
Sat 21 Mar 26
$33.80 - $97.40

Medal Madness 5K, 10K, 13.1 & 26.2 at Lowell Riverfront Park, Everett, WA (12) 80

Everett, Washington
Sat 21 Mar 26
$33.80 - $97.40

Dash Point Trail Run

Federal Way, Washington
Sat 21 Mar 26
Free - $78.33

Medal Madness 5K, 10K, & Half Marathon at Heritage Park, Olympia, WA (13) 80

Olympia, Washington
Sat 28 Mar 26
$33.80 - $70.90

Yakima River Canyon Marathon and Half-Marathon

Yakima, Washington
Sat 28 Mar 26
$85.00

Seattle Cherry Blossom Run

Seattle, Washington
Sat 28 Mar 26 - Sat 11 Apr 26
$36.41 - $75.56

Medal Madness 5K, 10K, & Half Marathon at Lake Camas Heritage Park, Camas, WA (13S40)

Camas, Washington
Sat 28 Mar 26
$33.80 - $70.90

Medal Madness 5K, 10K, & Half Marathon at Liberty Park, Spokane, WA (13) 40

Spokane, Washington
Sat 28 Mar 26
$33.80 - $70.90
Showing 1-21 of 21 results

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