Seattle
Marathon Calendar near Seattle 2026-2027
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Explore the top marathons near Seattle for 2026-2027! We've gathered 17 exciting races in the area. Check out our detailed list below to find your next local race.
July 2026
A USATF certified downhill marathon and half in North Bend, WA featuring the Snoqualmie Tunnel and about 1,000 feet of net descent. Many finishers achieve Boston qualifying times and the event offers professional timing and live tracking.
August 2026
Tunnel Vision Marathon & Half Marathon on August 9, 2026 near North Bend WA features a mostly downhill, USATF certified rail-trail with about 1,000 feet net elevation drop and a marathon that qualifies for Boston.
September 2026
A point to point marathon and half marathon on the Palouse to Cascades Trail in North Bend, WA, featuring downhill profiles, a Snoqualmie Tunnel section, lake views, USATF certification and timed race services.
The Tunnel Light Marathon & Half Marathon in North Bend, WA on September 13, 2026 uses a USATF certified, packed gravel course with about 1,000 feet net downhill; the marathon is a Boston qualifier and aid stations are provided.
October 2026
A multi-distance road running event along the Snohomish River in Snohomish, Washington, on October 11, 2026. Distances include a certified Boston-qualifier marathon, a USATF-certified half marathon, 10K and 5K with set fees and registration dates.
November 2026
A multi distance trail event at Grand Ridge Park near Issaquah, WA offering 5 mile, half marathon, marathon and 50K routes. Courses use two loops, include significant elevation gain, aid stations, and are held as a cupless race.
A multi-day race weekend in late November with a full marathon and half marathon from Seattle Center to Pier 66, an expo and packet pickup at The Westin Seattle, a kids race, virtual options, and a summer training run series.
December 2026
Pigtails Run #21 is a low key trail event in Maple Valley on 12/12/2026 offering half marathon, marathon and 50K options. The mostly paved course has marked turnarounds, manned aid stations, and limited race support.
April 2027
A USATF certified Boston qualifying marathon on April 18, 2027, the inaugural point to point course runs 26.2 miles from Marymoor Park to Gas Works Park along the Sammamish River and Burke Gilman Trail.
May 2027
A weekend of races in Tacoma on May 1 and May 2, 2027 featuring USATF certified marathon and half marathon across the Narrows Bridge, plus 10K, 5K, Kids 1K, a relay and the Ghost of Tacoma event.