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Marathon Calendar near Sammamish 2026-2027

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Explore the top marathons near Sammamish for 2026-2027! We've gathered 15 exciting races in the area. Check out our detailed list below to find your next local race.

Marathon Calendar United States
September 2026
Sep
5
Sa

US Road Running - Everett

5 km 10 km 13 mi 26 mi
Sep
12
Sa

Cascade Express Marathon

Trail Run 13 mi 26 mi
Sep
12
Sa

Beat the Blerch

Trail Run 3 mi 10 km 13 mi 26 mi
Sep
13
Su

Tunnel Light Marathon

Trail Run 13 mi 26 mi
October 2026
Oct
3
Sa

US Road Running - Everett

5 km 10 km 13 mi 26 mi
Monthly updates for Sammamish

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Oct
11
Su

Snohomish River Run

5 km 10 km 13 mi 26 mi
Oct
17
Sa

Dick's-A-Thon

6 mi 15 mi 26 mi
Oct
24
Sa

Sammamish City Marathon

5 km 10 km 13 mi 26 mi
November 2026
Nov
7
Sa

Grand Ridge Trail Run

Trail Run 5 mi 13 mi 26 mi 50 km
Nov
28
Sa

Seattle Ghost Marathon

13 mi 26 mi 31 mi
Nov
29
Su

Seattle Marathon

Half Marathon 26 mi
December 2026
Dec
12
Sa

Pigtails Run

Road Race Trail Run 13 mi 26 mi 50 km
April 2027
Apr
18
Su

Washington State Marathon

26 mi
June 2027
Jun
5
Sa

Green River Marathon

Trail Run Half Marathon Marathon 50 km
July 2027
Jul
24-25
Sa - Su

Jack & Jill Downhill Marathon

13 mi 26 mi
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