Trail running races in Washington, United States
Find trail running races in Washington, United States. Compare 19 upcoming events by date and location. Open a race guide for the course, recorded editions and official entry information where available.
Upcoming running events include 50K races, 25K races, 10K races, half marathons, 100K races and 5K races.
Events to explore include Carkeek 6 and 12 Hour, Cougar Mountain Trail Run and Grand Ridge Trail Run.
19 listed events · 19 with upcoming dates
Upcoming trail running races
19 matching events, earliest date first. Entry availability is shown separately.
Carkeek 6 and 12 Hour
USASeattle, Washington
Timed trail races on hilly park loops overlooking Puget Sound, supporting local trail work.
· 12H / 6H
Race details, entry and past editions →Entry information ↗Cougar Mountain Trail Run
USABellevue, Washington
Autumn trail races through Cougar Mountain Regional Wildland Park, starting at Sky Country Trailhead.
· 19.5mi / 50K / 5K / 7.6mi
Race details, entry and past editions →Entry information ↗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…
· 1.1mi Kids / 50K / 5mi / Half marathon / Marathon
Race details, entry and past editions →Entry information ↗Climb 89
USARichland, Washington
Repeated hill climbs on Badger Mountain, with awards based on completed laps and accumulated elevation.
· 32H
Race details, entry and past editions →Entry information ↗BURT 100
USABainbridge Island, Washington
Looped trail ultras supporting the Bainbridge Island Parks & Trails Foundation.
· 110K / 55K
Race details, entry and past editions →Entry information ↗Lord Hill Trail Run
USASnohomish, Washington
Hilly woodland trail races at Lord Hill Regional Park.
· 0.9mi Kids / 10mi / 20mi / 50K / 5K
Race details, entry and past editions →Entry information ↗Orcas Island 100 Mile
USAOlga, Washington
Winter 100-mile trail race on four loops through Moran State Park on Orcas Island.
· 100M · Status TBC
Race details, entry and past editions →Dizzy Daze
USASeattle, Washington
Timed races on the outer dirt loop around Green Lake.
· 12H / 5H
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.
· 10K / Half marathon · Status TBC
Race details, entry and past editions →Ancient Lakes Trail Run
USAQuincy, Washington
Trail races through desert lakes, waterfalls and the Columbia River Gorge.
· 10K / 25K / 50K / 50mi · Status TBC
Race details, entry and past editions →Lumberjack 100
USAPort Gamble, Washington
Loop trail ultras through the Port Gamble uplands.
· 100K / 100mi / 50K / 50mi
Race details, entry and past editions →Entry information ↗Yakima Skyline Trail Runs
USAEllensburg, Washington
Rainshadow Running trail races in the Yakima River Canyon near Ellensburg, Washington, offering 50K and 25K courses.
· 50K · Status TBC
Race details, entry and past editions →Sun Mountain Trail Races
USAWinthrop, Washington
Rainshadow Running trail races around Sun Mountain near Winthrop, Washington, with 50-mile, 50K and 25K options.
· 50K / 50M · Status TBC
Race details, entry and past editions →Orcas Island 50K & 25K
USAOlga, Washington
Trail races on Orcas Island, Washington, with separate 50K and 25K options.
· 50K · Status TBC
Race details, entry and past editions →Kaniksu Trail Runs
USAFrater Lake, Washington
Mountain trail races in the Lower Selkirk Mountains from Frater Lake.
· 100K / 13.5mi / 29K / 50K / 50mi / Marathon
Race details, entry and past editions →Entry information ↗Devil's Gulch
USAWenatchee, Washington
Mountain trail ultras and a half marathon from Mission Ridge.
· 100mi / 50mi / 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.
· 10K / 5K · Status TBC
Race details, entry and past editions →White River Trail Races
USAGreenwater, Washington
Trail races near Greenwater in the Mount Rainier area, with 25K, 50K and 50-mile options.
· 25K / 50K / 50M · Status TBC
Race details, entry and past editions →Olympic Mountains Trail Races
USAQuilcene, Washington
Mountain trail races through the Olympic National Forest near Quilcene.
· 100K / 50K · 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 Olga (2), Seattle (2), Bainbridge Island (1). Use the town filter to compare locations, then check the race guide for the start venue and organiser’s travel information.
Questions about trail running races in Washington
Which trail running races are coming up in Washington, United States?
Carkeek 6 and 12 Hour is listed for 24 October 2026. Cougar Mountain Trail Run is listed for 31 October 2026. Grand Ridge Trail Run is listed for 7 November 2026. Check the race guide and organiser’s latest information before making plans.
What running distances are listed in Washington, United States?
Look for 50K races, 25K races, 10K races, half marathons, 100K races and 5K races in the upcoming listings. If an event offers several distances, check the individual race guide to choose the edition and distance you want to enter.
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.