September Half Marathons within 100 miles of Seattle, WA
1. Redmond Harvest Half Marathon
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Sep 1, 2025Monday
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13.1M run
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Redmond, WA
12 miles point to pointKing County, WA
2. Beat the Blerch
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Past DateSep 7, 2024Saturday
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26.2M, 13.1M, 10K, 5K run
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Carnation, WA
23 miles point to pointKing County, WA
3. Cascade Express Half Marathon
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Past DateSep 7, 2024Saturday
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13.1M run
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Snoqualmie Pass, WA
52 miles point to pointKittitas County, WA
4. Ninja 1M, 5K, 10K, 15K, and Half Marathon
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Past DateSep 7, 2024Saturday
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13.1M, 15K, 10K, 5K, 1M run
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Olympia, WA
50 miles point to pointThurston County, WA
5. Pirate 1M, 5K, 10K, 15K, & Half Marathon
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Past DateSep 7, 2024Saturday
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13.1M, 15K, 10K, 5K, 1M run
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Everett, WA
27 miles point to pointSnohomish County, WA
6. Race For A Soldier
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Past DateSep 8, 2024Sunday
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13.1M, 5K run
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Gig Harbor, WA
23 miles point to pointPierce County, WA
7. Skagit Flats Marathon
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Past DateSep 8, 2024Sunday
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26.2M, 13.1M, 5M run
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Boston Marathon Qualifier
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Burlington, WA
59 miles point to pointSkagit County, WA
8. Quilcene Oyster Races
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Past DateSep 15, 2024Sunday
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13.1M, 10K, 5M run
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Quilcene, WA
33 miles point to pointJefferson County, WA
9. Orca Half Marathon
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Sep 20, 2025Saturday
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13.1M, 8M run
Virtual OptionMore Information
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Seattle, WA
King County, WA
10. Anacortes Half Marathon
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Past DateSep 21, 2024Saturday
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13.1M, 5K run
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Anacortes, WA
64 miles point to pointSkagit County, WA
11. Bellingham Bay Marathon
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Sep 21, 2025Sunday
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26.2M, 13.1M, 10K, 5K run
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Boston Marathon Qualifier
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Bellingham, WA
79 miles point to pointWhatcom County, WA
12. Mud Mountain Dam Marathon
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Past DateSep 21, 2024Saturday
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26.2M, 13.1M, 5K run
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startBuckley, WA35 miles point to pointfinishOrting, WA36 miles point to pointPierce County, WAPierce County, WA
13. Orca Half Marathon
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Sep 21, 2025Sunday
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13.1M, 8M run
Virtual OptionMore Information
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Seattle, WA
King County, WA
14. Viking 1M, 5K, 10K, 15K, & Half Marathon
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Past DateSep 21, 2024Saturday
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13.1M, 15K, 10K, 5K, 1M run
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Everett, WA
27 miles point to pointSnohomish County, WA
15. Puyallup Valley Half Marathon & 10K
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Past DateSep 28, 2024Saturday
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13.1M, 10K run
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Puyallup, WA
29 miles point to pointPierce County, WA
16. Run or Wine 5K Series - September
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Past DateSep 28, 2024Saturday
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13.1M, 10K, 5K run
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Woodinville, WA
14 miles point to pointKing County, WA
For the love of all that Is good And moisture wicking...
Though we Try To be accurate And On top Of things... Race details can change When we aren't lookin. And once in a while we simply make a mistake.
ALWAYS visit the race's website for the most complete and accurate race information.
ALWAYS visit the race's website for the most complete and accurate race information.