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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

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Yakima River Canyon Marathon and Half-Marathon

Yakima, Washington
28 Mar 26
$85.00
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Lake Sammamish Half Marathon

Redmond, Washington
07 Mar 26
$56.73
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Lake Sammamish Half Marathon

Redmond, Washington
07 Mar 26
$56.73

Shamrock Shuffle

Spokane, Washington
07 Mar 26 - 22 Mar 26
Free - $80.50

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

Olympia, Washington
14 Mar 26
$28.50 - $70.90

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

Seattle, Washington
14 Mar 26
$32.80 - $48.70

Sloth Run 5K/10K/13.1 SEATTLE

Seattle, Washington
14 Mar 26
$32.80 - $48.70

Richland RunFest 2026

Richland, Washington
06 Feb 26 - 06 Mar 26
$22.20 - $64.60

Yakima River Canyon Marathon and Half-Marathon

Yakima, Washington
28 Mar 26
$85.00

Seattle Cherry Blossom Run

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