Washington has 36 active marathons this year. Races are most common in September, April, and June. Course terrain for these courses is most often downhill or rolling hills. Typical race day temperatures range from 35°F to 66°F.
Popular races include the Seattle Marathon, Jack and Jills Downhill Marathon (Saturday), and Cascade Express Marathon. There is 1 new marathon in Washington this year — Washington State Marathon. 29 certified courses can be great Boston qualifier options. Races with the best Boston qualifying percentages include the Bound for Boston (Seattle) Marathon — 40.0% BQ and Mud Mountain Dam (Spring) Marathon — 25.0% BQ.
| Washington Marathons |
Course
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PR Score
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|---|---|---|---|---|---|---|---|
Fort Ebey Kettles Trail MarathonWhidbey Island, WA02/20/2027 |  Rolling Hills 30 Finishers |
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Yakima River Canyon MarathonEllensburg, WA04/03/2027 |  Downhill190 Finishers |
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Run the River MarathonKennewick, WA04/17/2027 |  Mostly Flat161 Finishers |
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Wenatchee MarathonWenatchee, WA04/17/2027 | Rolling Hills87 Finishers |
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Bremerton MarathonBremerton, WA04/18/2026 | Rolling Hills41 Finishers |
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Washington State MarathonSeattle, WA04/18/2027 | Mostly Flat
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Whidbey Island MarathonOak Harbor, WA04/26/2026 |  Hilly233 Finishers |
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Tacoma City MarathonTacoma, WA05/02/2027 | Hilly422 Finishers |
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Capital City MarathonOlympia, WA05/16/2027 | Rolling Hills389 Finishers |
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Windermere MarathonSpokane, WA05/16/2027 | Mostly Flat223 Finishers |
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Mud Mountain Dam (Spring) MarathonEnumclaw, WA05/29/2027 | Downhill180 Finishers |
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Green River MarathonKent, WA06/05/2027 |  Very Flat29 Finishers |
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Drumheller MarathonSeattle, WA06/06/2026 | Very Flat3 Finishers |
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North Olympic Discovery MarathonPort Angeles, WA06/06/2027 | Hilly329 Finishers |
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Light at the End of the Tunnel MarathonNorth Bend, WA06/07/2026 | Downhill233 Finishers |
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Bound for Boston (Seattle) MarathonOlympia, WA06/14/2026 | Mostly Flat5 Finishers |
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Super Hyak MarathonNorth Bend, WA06/19/2027 | Downhill488 Finishers |
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Jack and Jills Downhill Marathon (Saturday)North Bend, WA07/24/2027 | Downhill684 Finishers |
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Jack and Jills Downhill MarathonNorth Bend, WA07/26/2026 | Downhill325 Finishers |
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Tunnel Vision MarathonNorth Bend, WA08/09/2026 | Downhill235 Finishers |
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Appletree MarathonVancouver, WA08/30/2026 | Mostly Flat208 Finishers |
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Mud Mountain Dam (Fall) MarathonEnumclaw, WA09/04/2027 | Downhill175 Finishers |
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Beat the Blerch (Carnation Saturday)Carnation, WA09/12/2026 | Hilly64 Finishers |
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Cascade Express MarathonNorth Bend, WA09/12/2026 | Downhill563 Finishers |
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Skagit Flats MarathonBurlington, WA09/13/2026 | Very Flat112 Finishers |
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Tunnel Light MarathonNorth Bend, WA09/13/2026 | Downhill232 Finishers |
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Bellingham Bay MarathonBellingham, WA09/20/2026 | Rolling Hills301 Finishers |
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Fidalgo Trail Run MarathonAnacortes, WA09/26/2026 | Rolling Hills38 Finishers |
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Leavenworth MarathonLeavenworth, WA10/02/2027 | Downhill310 Finishers |
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Spokane MarathonSpokane, WA10/10/2027 | Hilly280 Finishers |
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Snohomish River Run MarathonSnohomish, WA10/17/2027 | Rolling Hills175 Finishers |
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Tri-Cities MarathonRichland, WA10/25/2026 | Mostly Flat96 Finishers |
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Grand Ridge Trail Marathon (November)Issaquah, WA11/07/2026 | Hilly18 Finishers |
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Seattle Ghost MarathonSeattle, WA11/28/2026 | Very Flat87 Finishers |
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Seattle MarathonSeattle, WA11/29/2026 | Hilly2,470 Finishers |
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Last Chance MarathonBellingham, WA12/31/2026 | Mostly Flat40 Finishers |
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