0119
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
July 4th Freedom Run 5K/10K/13.1 SEATTLE
Seattle, Washington
05 Jul 25
$32.80 - $52.94
🚀Boosted
Olympia Lakefair Races - Half Marathon, 8K & 3K
Olympia, Washington
19 Jul 25
$49.50 - $88.00
Feature your event at the top of the results
Want more bookings?
Our most effective tool for getting more people to your race is a ‘Boost’. Boosts put your event to the top of the search results.
Typically a Boosted event gets 8x as many Impressions, 4x as many Clicks and generates 4x more revenue than a standard event listing.
Choose to Boost your event on the landing page which best suits your target audience and budget. For example, ‘10k’s near San Francisco or ‘marathons in April’. Our team can advise on scheduling promotions to optimize performance.
Prices start at $100 per month. The most popular categories sell out in advance so booking early is recommended.
Get in touch
Hi, I'm Rosie from findarace.com!
If you're looking to boost your event or have any questions, please fill in your details below and I'll be in touch to help you.
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
