Half marathons in Washington, United States
Find half marathons in Washington, United States. Compare 4 upcoming events by date and location. Open a race guide for the course, recorded editions and official entry information where available.
Events to explore include Grand Ridge Trail Run, Deception Pass Trail Half & 10K and Devil's Gulch.
4 listed events · 4 with upcoming dates
Upcoming half marathons
4 matching events, earliest date first. Entry availability is shown separately.
Grand Ridge Trail Run
USAIssaquah, Washington
Forest trail races in the Cascade foothills, with four adult distances and a free children’s run. Distances are approximate; the advertised…
· Half marathon
Race details, entry and past editions →Entry information ↗Deception Pass Trail Half & 10K
USAOak Harbor, Washington
Rainshadow Running trail races through Deception Pass State Park near Oak Harbor, Washington, with half marathon and 10K options.
· Half marathon · Status TBC
Race details, entry and past editions →Devil's Gulch
USAWenatchee, Washington
Mountain trail ultras and a half marathon from Mission Ridge.
· Half marathon
Race details, entry and past editions →Entry information ↗Mount Rainier Trail Events
USAWashington
Mountain trail races at Crystal Mountain Resort, including a half marathon, downhill 10K and uphill 5K.
· Half marathon · Status TBC
Race details, entry and past editions →Race archive
Past races and previous editions
Looking back at a race? Browse the guides below for recorded editions. This section also includes events awaiting a new date and cancelled editions. Previous editions of races in the upcoming calendar are available through their race guides above.
No separate archived race guides are listed for this selection yet.
View full race archive (0) →Choosing a race in Washington
The unfiltered upcoming calendar includes events in Issaquah (1), Oak Harbor (1), Wenatchee (1). Use the town filter to compare locations, then check the race guide for the start venue and organiser’s travel information.
Questions about half marathons in Washington
Which half marathons are coming up in Washington, United States?
Grand Ridge Trail Run is listed for 7 November 2026. Deception Pass Trail Half & 10K is listed for 3 April 2027 (status to be confirmed). Devil's Gulch is listed for 10 July 2027. Check the race guide and organiser’s latest information before making plans.
Where can I find race entry details for Washington, United States?
Follow the link from the race guide to the organiser or entry provider, where one is available. Check the entry deadline, eligibility and current availability there. A listed race date does not necessarily mean entries are still open.
Why has a race moved out of the upcoming calendar?
Once its listed dates have passed, a race moves to the past-editions view unless another upcoming edition is recorded. Cancelled events also leave the upcoming list. The race guide stays available, and the event returns when a new date is added.