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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
Tri-Cities Marathon
Richland, Washington
26 Oct 25
$75.00 - $180.00
🚀Boosted
Beat the Blerch
Carnation, Washington
06 Sep 25
$44.37 - $130.17
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Redmond Harvest Half Marathon
Redmond, Washington
01 Sep 25
$75.00
Medal Madness 5K, 10K, & Half Marathon at Langus Riverfront Park, Everett, WA (27) 80
Everett, Washington
06 Sep 25
$33.80 - $70.90
PeaceHealth Appletree Marathon
Vancouver, Washington
06 Sep 25
$56.00 - $542.00
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 (36) 60
Olympia, 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
Orca Half Marathon
Seattle, Washington
20 Sep 25 - 21 Sep 25
Free - $199.29
Medal Madness 5K, 10K, 15K, & Half Marathon at Lowell Riverfront Park, Everett, WA (38) 80
Everett, Washington
20 Sep 25
$33.80 - $70.90
Anacortes Half Marathon & 5k
Anacortes, Washington
20 Sep 25
$28.56 - $56.12
Mud Mountain Dam Half Marathon / 5K
Buckley, Washington
20 Sep 25
$54.50 - $118.10
RUN THE DAM 2025
Grand Coulee, Washington
20 Sep 25
$32.80 - $69.90
Bellingham Bay Marathon
Bellingham, Washington
21 Sep 25
$45.44 - $263.50
Quilcene Oyster Races
Quilcene, Washington
21 Sep 25
Free - $64.60
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
Medal Madness 5K, 10K, & Half Marathon at Liberty Park, Spokane, WA (39) 80
Spokane, Washington
27 Sep 25
$33.80 - $70.90
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
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
Run for the Gnomes Half Marathon & 10K
Maple Valley, Washington
04 Oct 25
$43.40 - $80.50
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
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
The Spokane Marathon, Marathon Relay, Half, & 10K
Spokane, Washington
12 Oct 25 - 19 Oct 25
$22.20 - $133.50
Girlfriends Run
Vancouver, Washington
12 Oct 25
Free - $102.44
Haunted 5K, 10K, 13.1 & 26.2 at Lowell Riverfront Park, Everett, WA (42) 80
Everett, Washington
18 Oct 25
$33.05 - $96.65
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
International Sloth Day Run 5K/10K/13.1 SEATTLE
Seattle, Washington
18 Oct 25
$32.80 - $52.94
Haunted 5K, 10K, & Half Marathon at Chiawana Park, Pasco, WA (42) 80
Pasco, Washington
18 Oct 25
$33.80 - $70.90
Haunted 5K, 10K, & Half Marathon at Liberty Park, Spokane, WA (43) 80
Spokane, Washington
25 Oct 25
$33.05 - $70.15
Haunted 5K, 10K, & Half Marathon at Heritage Park, Olympia, WA (43) 80
Olympia, 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
$33.05 - $96.65
Halloween Trick or Trot Run 5K/10K/13.1 SEATTLE
Seattle, Washington
01 Nov 25
$32.80 - $48.70
Showing 1-40 of 55 results
