Washington Marathons
27 upcoming marathons across Washington, updated nightly. Want radius search and maps? Open these in the Race Finder.
When to race: marathons in Washington
Washington has 27 upcoming marathons over the next 12 months. Among complete calendar months, November 2026 has the most listed races, with 5. Most are around Seattle, Olympia, Enumclaw. The next one is Sammamish City Marathon on October 24 in Sammamish.
- Oct 20262 races
- Nov 20265 races
- Dec 20262 races
- Feb 20272 races
- Apr 20274 races
- May 20274 races
- Jun 20275 races
- Jul 20271 race
- Sep 20271 race
- Oct 20271 race
October 2026
- Sat 10/24Sammamish City MarathonSammamish, WA · Marathon · register ↗
- Sun 10/25Tri-Cities MarathonRichland, WA · Marathon · Half Marathon · 5K · from $25 · register ↗
November 2026
- Sat 11/7Grand RidgeIssaquah, WA · 50K · Marathon · Half Marathon · 5 Miles · Trail · register ↗
- Sat 11/282026 Seattle Ghost Marathon, Half & 50KSeattle, WA · Marathon · Half Marathon · 50K · from $120 · register ↗
- Sat 11/282026 Seattle Kids MarathonSeattle, WA · Marathon · register ↗
- Sun 11/292026 UW Medicine Seattle Marathon and Half MarathonSeattle, WA · Half Marathon · Marathon · register ↗
- Sun 11/29Seattle Marathon Vendors 2026Seattle, WA · Marathon · register ↗
December 2026
- Sat 12/12PIGTAILS RUNMaple Valley, WA · 50K · Marathon · Half Marathon · register ↗
- Thu 12/31Last Chance Marathon and Half MarathonBellingham, WA · Marathon · Half Marathon · from $60 · register ↗
February 2027
- Sat 2/13Woolley Trail RunsSedro Woolley, WA · 50K · Marathon · Half Marathon · Trail · from $65 · register ↗
- Fri 2/26Rock Solid Marathon, Half MarathonCoupeville, WA · Marathon · Half Marathon · from $85 · register ↗
April 2027
- Sat 4/3Yakima River Canyon Marathon and Half-MarathonYakima, WA · Half Marathon · Marathon · from $85 · register ↗
- Fri 4/16Run the RiverKennewick, WA · Marathon · Half Marathon · 5K · 1.2 Miles · from $15 · register ↗
- Sat 4/17Wenatchee Marathon, Half Marathon, 10k and 5kWenatchee, WA · Marathon · Half Marathon · 10K · 5K · register ↗
- Sun 4/18Washington State MarathonRedmond, WA · Marathon · from $99 · register ↗
May 2027
- Sat 5/1Tacoma City Marathon / Half / Ghost / 10K / 5K / 1KTacoma, WA · Marathon · Half Marathon · 10K · 5K · 0.6 Miles · from $10 · register ↗
- Sat 5/15Capital City MarathonOlympia, WA · Marathon · Half Marathon · 5 Miles · 1.2 Miles · from $30 · register ↗
- Sun 5/16Windermere MarathonSpokane, WA · Marathon · Half Marathon · 10K · 5K · 0.6 Miles · from $35 · register ↗
- Sat 5/29Spring - Mud Mountain Dam Marathon & Half MarathonEnumclaw, WA · Marathon · Half Marathon · Trail · from $90 · register ↗
June 2027
- Sat 6/52027 Seattle Marathon Summer EventsSeattle, WA · 5K · 10K · Half Marathon · 1K · Marathon · register ↗
- Sun 6/13Bound for Boston Marathon & Half Marathon - SeattleOlympia, WA · Marathon · Half Marathon · from $25 · registration closed · register ↗
- Sat 6/19Jasper Mountain Trail Fest 2027Dayton, WA · Half Marathon · Marathon · 4.3 Miles · Trail · from $20 · register ↗
- Sat 6/19Lake to Bay Relay & UltramarathonVancouver, WA · 100K · Marathon · register ↗
- Sat 6/19Super Hyak Marathon and HalfNorth Bend, WA · Marathon · Half Marathon · registration closed · register ↗
July 2027
- Sat 7/24Jack & Jill Marathon & HalfSnoqualmie Pass, WA · Marathon · Half Marathon · from $109 · register ↗
September 2027
- Sat 9/4Fall - Mud Mountain Dam Marathon & Half MarathonEnumclaw, WA · Marathon · Half Marathon · Trail · from $90 · register ↗
October 2027
- Sun 10/172027 The Snohomish River Run Marathon, Half Marathon, 10K and 5KSnohomish, WA · 5K · 10K · Half Marathon · Marathon · from $40 · register ↗
Planning a race
- Boston qualifying timesthe BQ standard for every age group, and what the cutoff has really been
- Choosing a first marathonwhat to look for in a debut race, and what to avoid
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