Marathons in King County, WA on Weekends

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Name Open Date Close Date
With Virtual Option
1. Ghost of Seattle Marathon
2. Tukwila To Alki Half and Full Marathon
3. Green River Half Marathon and Double Half (full)
4. Spring Run for Fun - Bridle Trails
5. Mt. Si Relay & Trail Runs
6. Light at the End of the Tunnel Marathon
7. Bottle Rocket Run (Day 3 of the Lil Firecracker Quad)
8. Kent Marathon, Half Marathon, and 50K
9. Jack & Jill's Downhill Marathon
10. Jack & Jill's Downhill Marathon
11. Cougar Mountain Trail Run Series
12. Tunnel Vision Marathon
13. Summer Blast at Redmond Watershed
14. Beat the Blerch
15. Cascade Express Marathon
16. Tunnel Light Marathon
17. Fall Freakin Fun Run (Marathon, Half Marathon & 50K)
18. In Unity We Run Marathon and Half Marathon
19. Grand Ridge Trail Runs
20. Seattle Marathon

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.