Washington · Marathon
Marathons in Washington
Washington currently has 26 upcoming marathons with a confirmed date listed in RaceRove. North Bend, Seattle, Bellingham and Tacoma have the largest concentration of events.
September (5), November (5) and May (4) are the busiest months on the calendar right now. Another 9 annual marathons are waiting for next year's date to be announced.
- Upcoming, date confirmed
- 26
- Active listings
- 35
- Cities with races
- 23
More ways to browse Washington
Upcoming marathons in Washington
All 26 with a confirmed date, soonest first.
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UW Medicine Seattle Marathon and Half MarathonSeattle, WAFull MarathonHalf Marathon (RunWalkVirtual +1 more
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Tacoma City Marathon / Half / Ghost / 10K / 5K / 1KTacoma, WAMarathonHalf Marathon10K5K +1 more ~2,000 runners
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Windermere Marathon, Half Marathon, 10K & 5KSpokane, WAMarathonHalf Marathon10K5K +1 more ~1,500 runners
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North Olympic Discovery Marathon (5K / 10K/ Half / Full / Relay / Kids Marathon)Port Angeles, WAMarathonHalf Marathon5K10K +1 more ~495 runners
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Fall - Mud Mountain Dam Marathon & Half MarathonEnumclaw, WAMarathonHalf Marathon10K5K ~58 runners
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Light at the End of the Tunnel Marathon (Tunnel Light Marathon)North Bend, WAMarathonHalf Marathon ~800 runners
Dates come from each race's own listing. Always confirm on the organiser's site before you book travel.
Largest marathon events in Washington
By estimated field size across all distances at the event.
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Spokane MarathonSpokane, WA Usually held in October · next date not announcedMarathonHalf10K ~2,500 runners
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Tacoma City Marathon / Half / Ghost / 10K / 5K / 1KTacoma, WAMarathonHalf Marathon10K5K +1 more ~2,000 runners
When marathons happen in Washington
- February
- 1 upcoming race
- April
- 3 upcoming races
- May
- 4 upcoming races
- June
- 2 upcoming races
- July
- 2 upcoming races
- August
- 1 upcoming race
- September
- 5 upcoming races
- October
- 1 upcoming race
- November
- 5 upcoming races
- December
- 2 upcoming races
Washington cities with the most marathons
- North Bend
- 4 upcoming races
- Seattle
- 4 upcoming races
- Bellingham
- 2 upcoming races
- Tacoma
- 2 upcoming races
- Vancouver
- 2 upcoming races
- Spokane
- 1 upcoming race
- Birch Bay
- 1 upcoming race
- Carnation
- 1 upcoming race
Annual events awaiting their next date
These marathons are held every year, but the next date isn't in the listing yet. The month shown is when each is usually held.
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Spokane MarathonSpokane, WA Usually held in October · next date not announcedMarathonHalf10K ~2,500 runners
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Tunnel Light Marathon & Half MarathonNorth Bend, WA Usually held in September · next date not announcedMarathonTunnel Light Half Marathon ~831 runners
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Tunnel Vision Marathon & Half MarathonSnoqualmie Pass, WA Usually held in August · next date not announcedMarathonHalf Marathon ~768 runners
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Cascade Express Marathon & Half MarathonNorth Bend, WA Usually held in September · next date not announcedMarathonHalf Marathon ~545 runners
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Tri-Cities MarathonRichland, WA Usually held in October · next date not announcedMarathon10K5K ~455 runners
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Leavenworth Marathon & Half MarathonLeavenworth, WA Usually held in October · next date not announcedHalf MarathonMarathon ~256 runners
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Skagit Flats Marathon, Half & 5kBurlington, WA Usually held in September · next date not announcedMarathonHalf Marathon5K10K ~112 runners
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FidalgoAnacortes, WA Usually held in September · next date not announcedMarathonHalf-Marathon5 MileKids Race ~38 runners
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Jump Off Joe MarathonKennewick, WA Usually held in September · next date not announcedMarathon1/2 Marathon10k
Marathons in nearby states
Guides from the RaceRove blog
- 8 min read How to Choose Your First Marathon A practical checklist for choosing a first marathon based on course, weather, cutoff, travel, field size and support.
- 7 min read How to Find a 5K, 10K, Half Marathon or Marathon Near You A practical way to find running races near you: pick a distance, decide how far you'll travel, read the listing properly and confirm the details before you register.
- 4 min read Diplo's Run Club 2026-27: Every City, Date and Course Diplo's Run Club is a 5K with a post-race concert. Every US date for 2026-27 (San Francisco, New York, Los Angeles, San Diego and Phoenix), start times and courses.
- Blog All guides Planning advice for finding, choosing and travelling to races.
Marathons in Washington: common questions
- How many marathons are there in Washington?
- RaceRove currently lists 26 upcoming marathons in Washington with a confirmed date, plus 9 annual events whose next date hasn't been announced yet.
- How long is a marathon?
- A marathon is 26.2 miles (42.2 kilometres).
- Which Washington cities have the most marathons?
- By upcoming events listed in RaceRove: North Bend (4), Seattle (4), Bellingham (2), Tacoma (2) and Vancouver (2).
- When is marathon season in Washington?
- Of the upcoming marathons listed, the busiest months are September (5), November (5) and May (4).
- What is the biggest marathon in Washington?
- By estimated field size, the largest event with a marathon listed in Washington is the Jack & Jill Marathon & Half, with about 17,124 runners across all of its distances.
Search every marathon in Washington
Filter by month, course profile and field size, save races to a shortlist and compare them side by side in the interactive search.