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Half Marathons Found In Seattle, Washington
View all ↓Half Marathons in & near Seattle, Washington 2025 - 2026
The most comprehensive list of Half Marathons in and near Seattle, Washington in 2025 - 2026. Find your perfect race!
Race Calendar: Half Marathons Found In Seattle, Washington
πBoosted
July 4th Freedom Run 5K/10K/13.1 SEATTLE
Seattle, Washington
05 Jul 25
$32.80 - $52.94
πBoosted
Olympia Lakefair Races - Half Marathon, 8K & 3K
Olympia, Washington
19 Jul 25
$49.50 - $88.00
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Cascade Express Marathon & Half Marathon
North Bend, Washington
06 Sep 25
$150.46 - $182.26
Beat the Blerch
Carnation, Washington
06 Sep 25
$44.37 - $130.17
Medal Madness 5K, 10K, & Half Marathon at Heritage Park, Olympia, WA (37) 150
Olympia, Washington
13 Sep 25
$33.05 - $70.15
Skagit Flats Marathon, Half & 5k
Burlington, Washington
14 Sep 25
$38.10 - $96.40
Orca Half Marathon
Seattle, Washington
20 Sep 25 - 21 Sep 25
Free - $189.57
Medal Madness 1M, 5K, 10K, 15K, & Half Marathon at Lowell Riverfront Park, Everett, WA (38) 80
Everett, Washington
20 Sep 25
$27.75 - $70.15
RUN THE DAM 2025
Grand Coulee, Washington
20 Sep 25
$32.80 - $69.90
Anacortes Half Marathon & 5k
Anacortes, Washington
20 Sep 25
$28.56 - $56.12
Mud Mountain Dam Half Marathon / 5K
Buckley, Washington
20 Sep 25
$38.60 - $81.00
Quilcene Oyster Races
Quilcene, Washington
21 Sep 25
Free - $59.30
Bellingham Bay Marathon
Bellingham, Washington
21 Sep 25
$45.44 - $263.50
Medal Madness 5K, 10K, & Half Marathon at Liberty Park, Spokane, WA (39) 80
Spokane, Washington
27 Sep 25
$33.05 - $70.15
National Singles Day: Singles & Friends Running Club SEATTLE
Seattle, Washington
27 Sep 25
$32.80 - $48.70
BRRC 48th Colbert Autumn Classic Half Marathon and 3rd Annual 4-Mile Loop
Colbert, Washington
27 Sep 25
$32.80 - $54.00
Fidalgo Trail Run
Anacortes, Washington
27 Sep 25
Free - $105.33
National Coffee Day: Run for Coffee SEATTLE
Seattle, Washington
27 Sep 25
$32.80 - $48.70
Run for the Gnomes Half Marathon & 10K
Maple Valley, Washington
04 Oct 25
$43.40 - $80.50
Haunted 1M, 5K, 10K, 15K, & Half Marathon at Langus Riverfront Park, Everett, WA (40) 80
Everett, Washington
04 Oct 25
$27.75 - $70.15
Cheers to Oktoberfest Run 5K/10K/13.1 SEATTLE
Seattle, Washington
04 Oct 25
$32.80 - $48.70
Run for Donuts 5K/10K/13.1 SEATTLE
Seattle, Washington
04 Oct 25
$32.80 - $48.70
Poulsbo Half Marathon & 10k
Poulsbo, Washington
05 Oct 25
$65.37 - $92.37
Falla Walla Half Marathon, 10K & Heroes 5K Run
Walla Walla, Washington
11 Oct 25
$54.00 - $75.20
Haunted 5K, 10K, 13.1 & 26.2 at Heritage Park, Olympia, WA (41) 150
Olympia, Washington
11 Oct 25
$33.05 - $96.65
Girlfriends Run
Vancouver, Washington
12 Oct 25
Free - $102.44
The Spokane Marathon
Spokane, Washington
12 Oct 25
$54.00 - $117.60
Haunted 5K, 10K, 13.1 & 26.2 at Lowell Riverfront Park, Everett, WA (42) 80
Everett, Washington
18 Oct 25
$33.05 - $96.65
Run Against Breast Cancer 5K/10K/13.1 SEATTLE
Seattle, Washington
18 Oct 25
$32.80 - $48.70
International Sloth Day Run 5K/10K/13.1 SEATTLE
Seattle, Washington
18 Oct 25
$32.80 - $48.70
Haunted 1M, 5K, 10K, 15K, & Half Marathon at Chiawana Park, Pasco, WA (42) 80
Pasco, Washington
18 Oct 25
$27.75 - $70.15
Lake Washington Half Marathon
Kirkland, Washington
18 Oct 25 - 21 Oct 25
$56.73 - $96.69
Haunted 5K, 10K, & Half Marathon at Heritage Park, Olympia, WA (43) 80
Olympia, Washington
25 Oct 25
$33.05 - $70.15
Haunted 5K, 10K, & Half Marathon at Liberty Park, Spokane, WA (43) 80
Spokane, Washington
25 Oct 25
$33.05 - $70.15
Tri-Cities Marathon
Richland, Washington
26 Oct 25
$75.00 - $180.00
Pie Gobbler 1M, 5K, 10K, 15K, & Half Marathon at Langus Riverfront Park, Everett, WA (44) 80
Everett, Washington
01 Nov 25
$27.75 - $70.15
Halloween Trick or Trot Run 5K/10K/13.1 SEATTLE
Seattle, Washington
01 Nov 25
$32.80 - $48.70
Run SEATTLE "Emerald City" 5K/10K/13.1 FALL
Seattle, Washington
01 Nov 25
$32.80 - $48.70
Pie Gobbler 5K, 10K, 13.1 & 26.2 at Heritage Park, Olympia, WA (44) 150
Olympia, Washington
01 Nov 25
$33.05 - $96.65
Pie Gobbler 5K, 10K, & Half Marathon at Heritage Park, Olympia, WA (45)
Olympia, Washington
08 Nov 25
$33.05 - $70.15
Run the Bay
University Place, Washington
09 Nov 25
$65.66 - $108.06
Pie Gobbler 1M, 5K, 10K, 15K, & Half Marathon at Lowell Riverfront Park, Everett, WA (46) 80
Everett, Washington
15 Nov 25
$27.75 - $70.15
Showing 41-80 of 119 results