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Half Marathons Found In Seattle, Washington

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Half Marathons in & near Seattle, Washington 2026 - 2027

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

Race Calendar: Half Marathons Found In Seattle, Washington

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Snohomish Women's Run

Everett, Washington
Sat 09 May 26 - Sun 09 Aug 26
$48.70 - $99.58
🚀Boosted

Memorial Day Run 5K/10K/13.1 SEATTLE

Seattle, Washington
Sat 23 May 26
$32.80 - $48.70
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Medal Madness 5K, 10K & 13.1M at Everett, WA (38)

Everett, Washington
Sat 19 Sep 26
$33.80 - $70.90

Anacortes Half Marathon & 5k

Anacortes, Washington
Sat 19 Sep 26
$34.92 - $58.24

Bellingham Bay Marathon

Bellingham, Washington
Sun 20 Sep 26
$34.48 - $198.88

Quilcene Oyster Races

Quilcene, Washington
Sun 20 Sep 26
Free - $59.30

Oktoberfest Run 5K/10K/13.1 SEATTLE

Seattle, Washington
Sat 26 Sep 26
$32.80 - $48.70

Run for Donuts 5K/10K/13.1 SEATTLE

Seattle, Washington
Sat 26 Sep 26
$32.80 - $48.70

Fidalgo Trail Run

Anacortes, Washington
Sat 26 Sep 26
Free - $99.93

Run for the Gnomes Half Marathon & 5K

Maple Valley, Washington
Sat 03 Oct 26
$34.92 - $85.80

Poulsbo Half Marathon & 10k

Poulsbo, Washington
Sun 04 Oct 26
$52.53 - $81.57

Haunted 5K, 10K, & 13.1M at Everett WA (41)

Everett, Washington
Sat 10 Oct 26
$33.80 - $70.90

Haunted 5K, 10K & 13.1M at Olympia, WA (41)

Olympia, Washington
Sat 10 Oct 26
$33.80 - $70.90

Bagel Run 5K/10K/13.1 SEATTLE

Seattle, Washington
Sat 10 Oct 26
$32.80 - $48.70

Coffee Lovers Run 5K/10K/13.1 SEATTLE

Seattle, Washington
Sat 10 Oct 26
$32.80 - $48.70

Lake Washington Half Marathon

Kirkland, Washington
Sat 17 Oct 26
$56.73 - $84.81

Haunted 5K, 10K & 13.1M at Everett, WA (42)

Everett, Washington
Sat 17 Oct 26
$33.80 - $70.90

Haunted 5K, 10K, & 13.1M at Olympia, WA (43)

Olympia, Washington
Sat 24 Oct 26
$33.80 - $70.90

PB&J Fuel Run 5K/10K/13.1 SEATTLE

Seattle, Washington
Sat 31 Oct 26
$32.80 - $48.70

Run the Bay

University Place, Washington
Sun 08 Nov 26
$41.28 - $83.68
5.0

Gobbler 5K, 10K, & 13.1M at Everett, WA (46)

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

Gobbler 5K, 10K & 13.1M at Olympia, WA (46)

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

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

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

Gobbler 5K, 10K, & 13.1M at Everett, WA (47)

Everett, Washington
Sat 21 Nov 26
$33.80 - $70.90

Gobbler 5K, 10K, & 13.1M at Olympia, WA (48)

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

2026 Seattle Ghost Marathon, Half & 50K

Seattle, Washington
Sat 28 Nov 26
$128.20

Coffee Lovers Run 5K/10K/13.1 SEATTLE

Seattle, Washington
Sat 28 Nov 26
$32.80 - $48.70

Holiday 5K, 10K, & 13.1M at Olympia, WA (50)

Olympia, Washington
Sat 12 Dec 26
$33.80 - $70.90

Holiday 5K, 10K, & 13.1M at Everett, WA (50)

Everett, Washington
Sat 12 Dec 26
$33.80 - $70.90

Holiday 5K, 10K, & 13.1M at Everett, WA (51)

Everett, Washington
Sat 19 Dec 26
$33.80 - $70.90

Last Chance Marathon and Half Marathon

Bellingham, Washington
Thu 31 Dec 26
$64.60

Brooks Lake Sammamish Half Marathon presented by REI

Redmond, Washington
Sat 06 Mar 27
$54.57

Squak Mountain Trail Run

Issaquah, Washington
Sat 18 Apr 26
Free - $97.77

Haunted 5K, 10K, 13.1M & 26.2M at Everett, WA (40)

Everett, Washington
Sat 03 Oct 26
$33.80 - $102.70
Showing 81-112 of 112 results
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