RunRace USA › Washington › Sammamish City Marathon
Sammamish City Marathon
Sammamish, Washington · Saturday, October 24, 2026 · Marathon
Official race page & registration ↗Sammamish City Marathon takes place on Saturday, October 24, 2026 in Sammamish, Washington. The race is run over Marathon. For anyone travelling in, Seattle is about 14 miles away.
It is one of 107 races on the Washington calendar that October.
- Date
- Saturday, October 24, 2026
- Location
- Sammamish, Washington
- Distances
- Marathon
Listing from the 2026 race calendar, refreshed nightly. Details can change: confirm date and entry on the official race page before travelling. Spot an error? Tell us here.
Making a race weekend of it?
Stay near the start line in Sammamish: check in Oct 23, out Oct 25.
Common questions
When is Sammamish City Marathon?
Sammamish City Marathon is scheduled for Saturday, October 24, 2026.
Where is Sammamish City Marathon held?
Sammamish City Marathon is held in Sammamish, Washington. It is about 14 miles from Seattle.
What distances does Sammamish City Marathon offer?
The listed distances are Marathon.
How do I register for Sammamish City Marathon?
Registration is handled on the official race page, linked at the top of this listing. Entry can close early if the race sells out.
More races nearby
- Oct 242026 Greenlake 5K and Wellness FestivalSeattle, WA
- Oct 24Boots & Boogie 5KLynden, WA
- Oct 24Carkeek 12 HourSeattle, WA
- Oct 24Chamna ChaseRichland, WA
- Oct 24Greenlake 5KSeattle, WA
See every race on the Washington calendar, Washington Marathons, or use the Race Finder for maps and filters.