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Half Marathons Found In Washington in Fall
View all ↓Half Marathons in Washington in Fall 2026
Find A Race is the US's favourite event listings site. Check out our list of Fall 2026 Half Marathons in Washington below.
Race Calendar: Half Marathons Found In Fall
🚀Boosted
Lake Washington Half Marathon
Kirkland, Washington
Sat 17 Oct 26
$56.73 - $101.01
🚀Boosted
Haunted 5K, 10K, & 13.1M at Olympia, WA (43)
Olympia, Washington
Sat 24 Oct 26
$33.80 - $70.90
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Run for Mental Health 5K/10K/13.1 SEATTLE
Seattle, Washington
Sat 12 Sep 26
$32.80 - $69.90
National Chocolate Day: Run for Chocolates 5K/10K/13.1 SEATTLE
Seattle, Washington
Sat 12 Sep 26
$32.80 - $69.90
Cascade Express Marathon & Half Marathon
North Bend, Washington
Sat 12 Sep 26
$150.46 - $182.26
Beat the Blerch
Carnation, Washington
Sat 12 Sep 26
$44.37 - $130.17
Medal Madness 5K, 10K, & 13.1M at Olympia, WA (37)
Olympia, Washington
Sat 12 Sep 26
$33.80 - $70.90
Medal Madness 5K, 10K, & 13.1M at Everett, WA (37)
Everett, Washington
Sat 12 Sep 26
$33.80 - $70.90
OVERCOMER 5K & 13.1 Mile Half Marathon
Pasco, Washington
Sat 12 Sep 26
$35.00 - $65.00
Medal Madness 5K, 10K & 13.1M at Camas, WA (37)
Camas, Washington
Sat 12 Sep 26
$33.80 - $70.90
16th Annual Race For A Soldier Half Marathon, 10K & 5K, Virtual Run, and Kids Run
Gig Harbor, Washington
Sun 13 Sep 26
$17.37 - $96.72
Skagit Flats Marathon, Half & 5k
Burlington, Washington
Sun 13 Sep 26
$32.80 - $101.70
Anacortes Half Marathon & 5k
Anacortes, Washington
Sat 19 Sep 26
$34.92 - $64.07
5.0
The Brooks Orca Half Marathon presented by REI
Seattle, Washington
Sat 19 Sep 26 - Sun 20 Sep 26
$65.37 - $198.21
Medal Madness 5K, 10K & 13.1M at Everett, WA (38)
Everett, Washington
Sat 19 Sep 26
$33.80 - $70.90
RUN THE DAM 2026
Grand Coulee, Washington
Sat 19 Sep 26
$32.80 - $69.90
Fall - Mud Mountain Dam Marathon & Half Marathon
Enumclaw, Washington
Sat 19 Sep 26
$136.25 - $146.95
Medal Madness 5K, 10K, 13.1M at Vancouver, WA (38)
Vancouver, Washington
Sat 19 Sep 26
$33.80 - $70.90
Medal Madness 5K, 10K, 13.1M at Pasco, WA (38)
Pasco, Washington
Sat 19 Sep 26
$33.80 - $70.90
Bellingham Bay Marathon
Bellingham, Washington
Sun 20 Sep 26
$50.92 - $274.00
Quilcene Oyster Races
Quilcene, Washington
Sun 20 Sep 26
Free - $64.60
Oktoberfest Run 5K/10K/13.1 SEATTLE
Seattle, Washington
Sat 26 Sep 26
$32.80 - $69.90
Fidalgo Trail Run
Anacortes, Washington
Sat 26 Sep 26
Free - $99.93
Pacific Coast Running Festival
Long Beach, Washington
Sat 26 Sep 26
$25.76 - $117.56
Colbert Autumn Classic Half Marathon & 4-Mile Loop
Colbert, Washington
Sat 26 Sep 26
$27.50 - $54.00
Medal Madness 5K, 10K & 13.1M at Camas, WA (39)
Camas, Washington
Sat 26 Sep 26
$33.80 - $70.90
Run for Donuts 5K/10K/13.1 SEATTLE
Seattle, Washington
Sat 26 Sep 26
$32.80 - $69.90
Medal Madness 5K, 10K, & 13.1M at Spokane, WA (39)
Spokane, Washington
Sat 26 Sep 26
$33.80 - $70.90
Run for the Gnomes Half Marathon & 5K
Maple Valley, Washington
Sat 03 Oct 26
$43.40 - $96.40
Falla Walla Half Marathon, 10K & Heroes 5K Run
Walla Walla, Washington
Sat 03 Oct 26
$43.40 - $85.80
Poulsbo Half Marathon & 10k
Poulsbo, Washington
Sun 04 Oct 26
$84.81 - $113.97
Coffee Lovers Run 5K/10K/13.1 SEATTLE
Seattle, Washington
Sat 10 Oct 26
$32.80 - $48.70
Haunted 5K, 10K & 13.1M at Olympia, WA (41)
Olympia, Washington
Sat 10 Oct 26
$33.80 - $70.90
Haunted 5K, 10K, & 13.1M at Everett WA (41)
Everett, Washington
Sat 10 Oct 26
$33.80 - $70.90
Haunted 5K, 10K & 13.1M at Camas, WA (41)
Camas, Washington
Sat 10 Oct 26
$33.80 - $70.90
Cookie Run 5K/10K/13.1 SEATTLE
Seattle, Washington
Sat 10 Oct 26
$32.80 - $48.70
2026 The Snohomish River Run Marathon, Half Marathon, 10K and 5K
Snohomish, Washington
Sun 11 Oct 26
$54.00 - $112.30
The Spokane Marathon
Spokane, Washington
Sun 11 Oct 26
Free - $144.10
Haunted 5K, 10K & 13.1M at Everett, WA (42)
Everett, Washington
Sat 17 Oct 26
$33.80 - $70.90
The Salty Half and 10K too!
Seattle, Washington
Sat 17 Oct 26
$42.34
Haunted 5K, 10K, 13.1M at Vancouver, WA (42)
Vancouver, Washington
Sat 17 Oct 26
$33.80 - $70.90
Haunted 5K, 10K, & 13.1M at Pasco, WA (42)
Pasco, Washington
Sat 17 Oct 26
$33.80 - $70.90
Showing 1-40 of 66 results
