0050
Half Marathons Found In Washington in Fall
View all ↓Half Marathons in Washington in Fall 2025
Find A Race is the US's favourite event listings site. Check out our list of Fall 2025 Half Marathons in Washington below.
Race Calendar: Half Marathons Found In Fall
🚀Boosted
The Spokane Marathon
Spokane, Washington
12 Oct 25 - 19 Oct 25
$22.20 - $144.10
🚀Boosted
Bed to 5K/10K/13.1 Snoozers Run SEATTLE
Seattle, Washington
15 Nov 25
$32.80 - $48.70
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.
Medal Madness 5K, 10K, & Half Marathon at Heritage Park, Olympia, WA (37) 30
Olympia, Washington
13 Sep 25
$33.80 - $70.90
Skagit Flats Marathon, Half & 5k
Burlington, Washington
14 Sep 25
$43.40 - $112.30
Orca Half Marathon
Seattle, Washington
20 Sep 25 - 21 Sep 25
Free - $199.29
Anacortes Half Marathon & 5k
Anacortes, Washington
20 Sep 25
$28.56 - $56.12
Mud Mountain Dam Half Marathon / 5K
Buckley, Washington
20 Sep 25
$61.35 - $130.90
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
Quilcene Oyster Races
Quilcene, Washington
21 Sep 25
Free - $64.60
Bellingham Bay Marathon
Bellingham, Washington
21 Sep 25
$56.40 - $316.00
Medal Madness 5K, 10K, & Half Marathon at Liberty Park, Spokane, WA (39) 60
Spokane, Washington
27 Sep 25
$33.80 - $70.90
Fidalgo Trail Run
Anacortes, Washington
27 Sep 25
Free - $110.73
Colbert Autumn Classic Half Marathon & 4-Mile Loop
Colbert, Washington
27 Sep 25
$32.80 - $54.00
National Singles Day: Singles & Friends Running Club SEATTLE
Seattle, Washington
27 Sep 25
$32.80 - $52.94
National Coffee Day: Run for Coffee SEATTLE
Seattle, Washington
27 Sep 25
$32.80 - $52.94
Run for the Gnomes Half Marathon & 10K
Maple Valley, Washington
04 Oct 25
$54.00 - $91.10
Haunted 5K, 10K, & Half Marathon at Langus Riverfront Park, Everett, WA (40) 60
Everett, Washington
04 Oct 25
$33.80 - $70.90
Cheers to Oktoberfest Run 5K/10K/13.1 SEATTLE
Seattle, Washington
04 Oct 25
$32.80 - $52.94
Run for Donuts 5K/10K/13.1 SEATTLE
Seattle, Washington
04 Oct 25
$32.80 - $52.94
Poulsbo Half Marathon & 10k
Poulsbo, Washington
05 Oct 25
$86.97 - $113.97
Haunted 5K, 10K, 13.1 & 26.2 at Heritage Park, Olympia, WA (41) 80
Olympia, Washington
11 Oct 25
$33.80 - $97.40
Haunted 5K, 10K, & 13.1 at McCollum Park, Everett, WA (41) 30
Everett, Washington
11 Oct 25
$33.80 - $70.90
Falla Walla Half Marathon, 10K & Heroes 5K Run
Walla Walla, Washington
11 Oct 25
$54.00 - $75.20
The Spokane Marathon
Spokane, Washington
12 Oct 25 - 19 Oct 25
$22.20 - $144.10
Girlfriends Run
Vancouver, Washington
12 Oct 25
Free - $102.44
Sun City Barry James Memorial 5K and Half Marathon
Yakima, Washington
12 Oct 25
$16.90 - $22.20
Haunted 5K, 10K, & Half Marathon at Chiawana Park, Pasco, WA (42) 60
Pasco, Washington
18 Oct 25
$33.80 - $70.90
The Salty Half and 10K too!
Seattle, Washington
18 Oct 25
$42.34
Lake Washington Half Marathon
Kirkland, Washington
18 Oct 25
$56.73 - $102.09
Run Against Breast Cancer 5K/10K/13.1 SEATTLE
Seattle, Washington
18 Oct 25
$32.80 - $52.94
Haunted 5K, 10K, 13.1 & 26.2 at Lowell Riverfront Park, Everett, WA (42) 80
Everett, Washington
18 Oct 25
$33.80 - $97.40
International Sloth Day Run 5K/10K/13.1 SEATTLE
Seattle, Washington
18 Oct 25
$32.80 - $52.94
Haunted 5K, 10K, & Half Marathon at Heritage Park, Olympia, WA (43) 80
Olympia, Washington
25 Oct 25
$33.80 - $70.90
Haunted 5K, 10K, & Half Marathon at Liberty Park, Spokane, WA (43) 30
Spokane, Washington
25 Oct 25
$33.80 - $70.90
Tri-Cities Marathon
Richland, Washington
26 Oct 25
$75.00 - $180.00
Pie Gobbler 5K, 10K, 13.1 & 26.2 at Heritage Park, Olympia, WA (44) 150
Olympia, Washington
01 Nov 25
$33.80 - $97.40
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, & Half Marathon at Langus Riverfront Park, Everett, WA (44) 80
Everett, Washington
01 Nov 25
$33.80 - $70.90
Pie Gobbler 5K, 10K, & Half Marathon at Heritage Park, Olympia, WA (45) 80
Olympia, Washington
08 Nov 25
$33.80 - $70.90
Pie Gobbler 5K, 10K, & 13.1 at McCollum Park, Everett, WA (45) 30
Everett, Washington
08 Nov 25
$33.80 - $70.90
Showing 1-40 of 50 results
