Washington · Marathon

2026-2027 Marathons in Washington

Every upcoming Marathon in Washington, all 15 of them, sorted by date. Dates, entry fees, finish-time stats from past results, and start-line maps.

15 upcoming marathons · 7 with finish-time stats

By the numbers

The Biggest and Longest-Running

The Washington races that stand out on the numbers: the biggest field, and the longest unbroken run of editions.

Washington Marathons by City

The Next Marathons in Washington

15 total

How we calculate these stats: RunSesh calculates these figures from the most recent published results of past editions, sourced from RunSignup. We show aggregates only: field size, winning and median times, and the cutoff. We never publish individual finisher tables. Last updated Oct 25, 2026.

Common Questions About Running a Marathon in Washington

Which Washington cities have the most marathons?

Olympia (2), Enumclaw (2), Richland (1), Seattle (1) lead the state for Marathon races. Those give you the most dates to choose from if your schedule is tight.

When are most marathons held in Washington?

May is the busiest month for Marathon races in Washington, with 4 of the 15, followed by June with 3. If you are flexible on the date, that is the quickest way to narrow things down.

Are Washington Marathon races beginner-friendly?

Yes, for the most part. Across the 7 Marathon races in Washington with published results, the typical median finish is around 4:15:44, which means half of every one of those fields came in slower than that. Recreational runners and walk-runners are the bulk of these fields, not the exception.