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Half Marathons Found In Washington in March

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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

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

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

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

Pasco, Washington
Sat 21 Mar 26
$33.80 - $97.40
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Richland RunFest 2026

Richland, Washington
Fri 06 Feb 26 - Fri 06 Mar 26
$32.80 - $80.50

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

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

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

Brooks Lake Sammamish Half Marathon presented by REI

Redmond, Washington
Sat 07 Mar 26
$56.73 - $106.41

SuperHeroes Run 5K/10K/13.1 SEATTLE

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

St. Paddy's Day Run Tacoma

Tacoma, Washington
Sat 14 Mar 26
$72.05 - $114.85

Medal Madness 5K, 10K, & 13.1M at Olympia, WA (11)

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

Medal Madness 5K, 10K, & 13.1M at Everett, WA (11)

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

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

Seattle, Washington
Sat 14 Mar 26
$32.80 - $64.60

Sloth Run 5K/10K/13.1 SEATTLE

Seattle, Washington
Sat 14 Mar 26
$32.80 - $64.60

Run The Green

Kent, Washington
Sat 14 Mar 26
$62.13 - $89.13

Shamrock Shuffle

Spokane, Washington
Sun 15 Mar 26
Free - $117.60

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

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

Medal Madness 5K, 10K, 13.1, & 26.2 at Everett, WA (12)

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

Dash Point Trail Run

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

Yakima River Canyon Marathon and Half-Marathon

Yakima, Washington
Sat 28 Mar 26
$85.00

Medal Madness 5K, 10K, & 13.1M at Camas, WA (13)

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

Medal Madness 5K, 10K, & 13.1M at Spokane, WA (13)

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

Medal Madness 5K, 10K, & 13.1M at Olympia, WA (13)

Olympia, Washington
Sat 28 Mar 26
$33.80 - $70.90
Showing 1-19 of 19 results

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