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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
🚀Boosted
Medal Madness 5K, 10K, & Half Marathon at Heritage Park, Olympia, WA (10) 80
Olympia, Washington
14 Mar 26
$28.50 - $70.90
🚀Boosted
Medal Madness 5K, 10K, & Half Marathon at Heritage Park, Olympia, WA (50) 80
Olympia, Washington
13 Dec 25
$33.80 - $70.90
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Race the Reserve Whidbey Island
Coupeville, Washington
09 Aug 25
$43.40 - $91.10
Ninja 5K, 10K, & Half Marathon at Heritage Park, Olympia, WA (32) 80
Olympia, Washington
09 Aug 25
$33.80 - $70.90
Ninja 5K, 10K, 15K, & Half Marathon at Lowell Riverfront Park, Everett, WA (33) 80
Everett, Washington
16 Aug 25
$33.80 - $70.90
Twilight at the Bay
University Place, Washington
16 Aug 25
$76.26 - $118.66
Run for Mental Health 5K/10K/13.1 SEATTLE
Seattle, Washington
16 Aug 25
$32.80 - $52.94
The Cookie Dash Run 5K/10K/13.1 SEATTLE
Seattle, Washington
16 Aug 25
$32.80 - $52.94
Ninja 1M, 5K, 10K, 15K, & Half Marathon at Chiawana Park, Pasco, WA (33) 60
Pasco, Washington
16 Aug 25
$28.50 - $70.90
Tacoma Narrows Half Marathon / 5K
Tacoma, Washington
23 Aug 25
$70.40 - $134.00
Ninja 5K, 10K, 15K, & Half Marathon at Heritage Park, Olympia, WA (34) 40
Olympia, Washington
23 Aug 25
$33.80 - $70.90
Ninja 5K, 10K, & Half Marathon at Liberty Park, Spokane, WA (34) 30
Spokane, Washington
23 Aug 25
$33.80 - $70.90
Iron Horse Half Marathon
North Bend, Washington
24 Aug 25
$56.73 - $117.21
Labor Day Run 5K/10K/13.1 SEATTLE
Seattle, Washington
30 Aug 25
$32.80 - $52.94
Sunrise Marathon 5K/10K/13.1 SEATTLE
Seattle, Washington
30 Aug 25
$32.80 - $52.94
Medal Madness 5K, 10K, & Half Marathon at Heritage Park, Olympia, WA (35) 80
Olympia, Washington
30 Aug 25
$33.80 - $70.90
Redmond Harvest Half Marathon
Redmond, Washington
01 Sep 25
$75.00
PeaceHealth Appletree Marathon
Vancouver, Washington
06 Sep 25
$56.00 - $542.00
Beat the Blerch
Carnation, Washington
06 Sep 25
$44.37 - $130.17
Medal Madness 5K, 10K, & Half Marathon at Heritage Park, Olympia, WA (36) 80
Olympia, Washington
06 Sep 25
$33.80 - $70.90
Cascade Express Marathon & Half Marathon
North Bend, Washington
06 Sep 25
$150.46 - $182.26
Medal Madness 5K, 10K, & Half Marathon at Langus Riverfront Park, Everett, WA (27) 80
Everett, Washington
06 Sep 25
$33.80 - $70.90
Medal Madness 5K, 10K, & Half Marathon at Heritage Park, Olympia, WA (37) 80
Olympia, Washington
13 Sep 25
$33.80 - $70.90
Skagit Flats Marathon, Half & 5k
Burlington, Washington
14 Sep 25
$43.40 - $112.30
Medal Madness 5K, 10K, 15K, & Half Marathon at Lowell Riverfront Park, Everett, WA (38) 80
Everett, Washington
20 Sep 25
$33.80 - $70.90
RUN THE DAM 2025
Grand Coulee, Washington
20 Sep 25
$32.80 - $69.90
Orca Half Marathon
Seattle, Washington
20 Sep 25 - 21 Sep 25
Free - $189.57
Mud Mountain Dam Half Marathon / 5K
Buckley, Washington
20 Sep 25
$54.50 - $118.10
Anacortes Half Marathon & 5k
Anacortes, Washington
20 Sep 25
$28.56 - $56.12
Quilcene Oyster Races
Quilcene, Washington
21 Sep 25
Free - $64.60
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
Fidalgo Trail Run
Anacortes, Washington
27 Sep 25
Free - $105.33
BRRC 48th Colbert Autumn Classic Half Marathon and 3rd Annual 4-Mile Loop
Colbert, Washington
27 Sep 25
$32.80 - $54.00
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
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
Haunted 5K, 10K, & Half Marathon at Langus Riverfront Park, Everett, WA (40) 80
Everett, Washington
04 Oct 25
$28.50 - $70.90
Poulsbo Half Marathon & 10k
Poulsbo, Washington
05 Oct 25
$76.17 - $103.17
Haunted 5K, 10K, & 13.1 at McCollum Park, Everett, WA (41) 80
Everett, Washington
11 Oct 25
$33.05 - $70.15
Showing 1-40 of 109 results
