Trail Running calendar near Leavenworth 2026-2027

Trail races at Cougar Mountain Regional Wildland Park near Seattle, offering 5k, 7.6 mi, 19.5 mi and 50k courses on varied single-track and groomed trails, with substantial elevation gain and proceeds supporting King County Parks.

Final race of the Evergreen season on November 7, 2026 at Grand Ridge Park in Issaquah. Multiple distances from 5 Mile to 50K on forested loops with notable elevation gain. The event is cupless so runners should carry a refillable container..

A 5k and 10k trail run at Carkeek Park in Seattle on forested trails with varied terrain. The 5k gains 480 feet and the 10k is two 5k loops; aid is at the start and dogs are not allowed on course.

Trail runs of 4k, 8k and 12k on a 4.1 km forested loop in Ravenna Park, Seattle, with a staffed aid station and a 230 foot climb per loop. Youth runners under 20 receive a $10 discount.

A winter trail event at Redmond Watershed Preserve on December 5, 2026 offering 5 mile and half marathon routes on well groomed, mostly smooth trails. Offsite parking with shuttle, aid stations for the half marathon, and a Winter Wonderland..

A low cost, low key running event in Maple Valley, WA offering 50K, marathon and half marathon options. The December 2026 edition follows a postponed race earlier in the year and features limited on-course support and volunteer staffing.

A winter trail run at Seward Park offering 4.2 mile and 10k loops through old growth forest as part of the 2026-27 Winter Trail Series. An aid station is on course and dogs are not allowed.

A 4-mile or 8-mile trail run at St. Edward State Park in Kenmore, WA, featuring single-track and shoreline sections. The event is part of the 2026-27 Winter Trail Series and includes an aid station and on-site apparel sales.

A 5 mile and a half marathon take place at Soaring Eagle Regional Park on January 16, 2027. Courses use narrow technical singletrack and a figure eight layout with multiple aid stations and a short groomed gravel section.

Interlaken Icicle Dash on January 30, 2027 at Interlaken Park in Seattle features 5k and 10k trail loops on paved boulevard and dirt trails. It is the final race of the 2026 to 2027 Winter Trail Series.

Experience North America's largest ski trail network during this community Nordic event. Ski from the Methow River to Sun Mountain Lodge in a marathon, half marathon, or relay race followed by a festive post race lunch.

Celebrate Valentine's Day with a community 5k in Black Diamond featuring unique two person team categories and a cross country style scoring system.