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Half Marathons Found In Washington

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Half Marathons in Washington 2025 - 2026

The most comprehensive list of Half Marathons in and near Washington in 2025 - 2026. Find your perfect race!

If you're exploring half marathon races in nearby states, take a look at our range of:

Start your adventure with findarace, your one-stop destination for the most comprehensive list of runs, swims, and cycles across the US.


Race Calendar: Half Marathons Found In Washington

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Olympia Lakefair Races - Half Marathon, 8K & 3K

Olympia, Washington
Sat 18 Jul 26
$22.25 - $55.00
🚀Boosted

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

Olympia, Washington
Sat 08 Aug 26
$33.80 - $70.90
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Holiday 5K, 10K, & Half Marathon at Liberty Park, Spokane, WA (52) 40

Spokane, Washington
Sat 27 Dec 25
$33.80 - $70.90

Holiday 5K, 10K, & Half Marathon at Heritage Park, Olympia, WA (52) 80

Olympia, Washington
Sat 27 Dec 25
$36.45 - $73.55

Last Chance Marathon and Half Marathon

Bellingham, Washington
Wed 31 Dec 25
$64.60

Sunrise Marathon 5K/10K/13.1 SEATTLE

Seattle, Washington
Sat 03 Jan 26
$32.80 - $64.60

New Year 5K, 10K, & 13.1M, Everett, WA (01)

Everett, Washington
Sat 03 Jan 26
$33.80 - $70.90

New Year New Me Run 5K/10K/13.1 SEATTLE

Seattle, Washington
Sat 03 Jan 26
$32.80 - $48.70

New Year New Me Run 5K/10K/13.1 SEATTLE

Seattle, Washington
Sat 03 Jan 26
$32.80 - $64.60

New Year 5K, 10K, & 13.1M, Everett, WA (02)

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

New Year 5K, 10K, & 13.1M, Olympia, WA (02)

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

Medal Madness 5K, 10K, & 13.1M, Everett, WA (03)

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

Run for Donuts 5K/10K/13.1 SEATTLE

Seattle, Washington
Sat 17 Jan 26
$32.80 - $48.70

Medal Madness 5K, 10K, & 13.1M, Pasco, WA (03)

Pasco, Washington
Sat 17 Jan 26
$33.80 - $70.90

Run for Donuts 5K/10K/13.1 SEATTLE

Seattle, Washington
Sat 17 Jan 26
$32.80 - $64.60

MLK Freedom Run 5K/10K/13.1 SEATTLE

Seattle, Washington
Sat 17 Jan 26
$32.80 - $64.60

Medal Madness 5K, 10K, & 13.1M, Olympia, WA (04)

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

Medal Madness 5K, 10K, & 13.1M, Camas, WA (04)

Camas, Washington
Sat 24 Jan 26
$33.80 - $70.90

Medal Madness 5K, 10K, & 13.1M, Spokane, WA (04)

Spokane, Washington
Sat 24 Jan 26
$33.80 - $70.90

Richland RunFest 2026

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

Lunar New Year Run 5K/10K/13.1 SEATTLE

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

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

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

Viking 5K, 10K, & 13.1M at Everett, WA (06)

Everett, Washington
Sat 07 Feb 26
$33.80 - $70.90

Lunar New Year Run 5K/10K/13.1 SEATTLE

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

My Better Half Marathon

Seattle, Washington
Sun 08 Feb 26
$57.81 - $93.45

Viking 5K, 10K, & Half Marathon at McCollum Park, Everett, WA (07S40)

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

Valentines Live, Love, RUN 5K/10K/13.1 SEATTLE

Seattle, Washington
Sat 14 Feb 26
$32.80 - $54.00

Run for Chocolate 5K/10K/13.1 SEATTLE

Seattle, Washington
Sat 14 Feb 26
$32.80 - $54.00

Viking 5K, 10K, & Half Marathon at Heritage Park, Olympia, WA (06) 80

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

Woolley Trail Runs

Sedro Woolley, Washington
Sat 14 Feb 26
$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

Viking 5K, 10K, & Half Marathon at Lowell Riverfront Park, Everett, WA (08) 80

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

Viking 5K, 10K, & Half Marathon at Chiawana Park, Pasco, WA (08) 80

Pasco, Washington
Sat 21 Feb 26
$33.80 - $70.90

Vancouver Lake Half Marathon & 4 Mile Run

Vancouver, Washington
Sun 22 Feb 26
$27.50 - $43.40

Viking 5K, 10K, & Half Marathon at Lake Camas Heritage Park, Camas, WA (09S40)

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

Viking 5K, 10K, & Half Marathon at Liberty Park, Spokane, WA (09) 40

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

Viking 5K, 10K, & Half Marathon at Heritage Park, Olympia, WA (09) 80

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

Rock Solid Marathon, Half Marathon

Coupeville, Washington
Sat 28 Feb 26
$101.70 - $133.50

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

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

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

Brooks Lake Sammamish Half Marathon presented by REI

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

SuperHeroes Run 5K/10K/13.1 SEATTLE

Seattle, Washington
Sat 07 Mar 26
$32.80 - $48.70
Showing 1-40 of 175 results
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