Padden Mudfest Trail Runs

Lake Padden Park 4882 S Samish Way, Bellingham, WA, United States

Produced by the Greater Bellingham Running Club Padden Mudfest offers 5K and 10K distances on the hilly and wooded trails around Lake Padden in Bellingham, WA.

Deception Pass Trail Runs

Deception Pass State Park 41020 SR 20, Oak Harbor, WA, United States

Hosted by Destination Trail, the Deception Pass Half Marathon & Full Marathon explores the coastal trails around the famous Deception Pass Bridge on the North end of Whidbey Island.

Event Series Boeing Creek Crawl

Boeing Creek Crawl

Shoreview Park 17229 3rd Ave NW, Shoreline, United States

Produced by Northwest Trail Runs, Boeing Creek Crawl is a trail run on a hilly short-loop course with the challenge of accumulating as much vertical gain—and as much distance—as you can by completing laps within your chosen time limit of 2 hours, 4 hours, or 6 hours.

Alsea Falls Spring Fling Trail Runs

Alsea Falls Fall Creek Access Rd, Alsea, OR, United States

Produced by Oregon Trail Runs, run a half marathon, 10k, or 5K on forested trails through the Alsea Falls area in the Central Oregon Coast Range.

Frosty Moss Relay 80mi | 30mi

Port Angeles Port Angeles, WA, United States

Produced by Peninsula Adventure Sports, Frosty Moss Relay runners trace the Olympic Discovery Trail (paved multiuse path) and Adventure Route (singletrack trail) from west to east, beginning at the Camp Creek Trailhead along the Sol Duc River and finishing in Blyn at the Jamestown S’Klallam Tribe facilities.

Chuckanut 50K

Fairhaven Park 107 Chuckanut Dr N, Bellingham, WA, United States

The Chuckanut 50k is a classic PNW ultra-endurance trail race in the Chuckanut range south of Bellingham, Washington.

Event Series Siuslaw Dunes 50K | 25K

Siuslaw Dunes Trail Runs

Cleawox Lake Day-Use Area OR, United States

Produced by Daybreak Racing, Siuslaw Dunes Trail Runs offers challenging point to point 50K, 20 mile, and 12K routes traversing a wild tapestry of coastal terrain, including ancient open sand dunes with “tree islands”, old growth rainforest, stream fords and remote ocean beaches.

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