Trail Running Calendar Washington 2026-2027

We have found 171 Trailruns in Washington. Check below where and when you can find the races.

Experience the lush forests of the Cascade foothills at the Grand Ridge Trail Run. Choose from distances ranging from a 5 miler to a 50K on a scenic and technical course near Issaquah.

The Klickitat Trail Run is a scenic fundraiser on the Klickitat Trail in Washington. Races include a half marathon and a 5K, with shuttles to the start. Every runner gets a bowl of famous post-run soup.

Run on the famously flat and fast Willapa Hills Trail in Washington. This festival offers distances from a 5K to a 100-mile ultramarathon, with a scenic route along an old rail grade. It's a community-focused event with modest entry fees su..

Experience a forested trail run through Carkeek Park with views of the Olympic Mountains. This event offers 5k and 10k distances on a mix of wide and narrow trails as part of the Winter Trail Series.

Experience the autumn beauty of Riverside State Park during this trail event in Nine Mile Falls. Choose from multiple distances including a 25K and a Kids Fun Run while supporting physical therapy students.

Experience a forest filled ravine in Seattle at the Ravenna Refresher Trail Run. Choose from a 4k, 8k, or 12k loop through groomed trails in this second event of the Winter Trail Series.

The Ruff is a demanding 7-mile trail run straight up Dog Mountain in the Columbia River Gorge. The course climbs 3000 feet to a summit with sweeping views before a fast descent. Finish with post-race beer, pizza, and the chance to win award..

December 2026

Experience a scenic trail run through the lush forests of the Redmond Watershed Preserve. Choose between a 5 mile or half marathon course featuring well groomed paths and festive holiday spirit.

Experience a low key and community focused running event in Maple Valley. This flat course offers half marathon, marathon, and 50K distances for runners seeking a grassroots atmosphere and personal challenge.

Celebrate the winter season with a 10 km trail run through the forested paths of Squaxin Park. Experience the holiday atmosphere and the natural elements of the Pacific Northwest in this Olympia community event.

Experience a winter trail run through the old growth forest of Seattle's Seward Park. Choose between 4.2 mile and 10k loops featuring a mix of smooth paths and technical lakeside trails.

January 2027

Experience the natural beauty of St. Edward State Park with a 4 or 8 mile trail run along the shores of Lake Washington. This Winter Trail Series event features scenic forest single track and waterfront views north of Seattle.

Experience a technical trail run through the forests and wetlands of Soaring Eagle Regional Park with 5 mile and Half Marathon options featuring rolling hills and twisty singletrack.

Experience winter trail running on the woodchip and dirt paths of the Big Cross facility in Pasco. Choose between the 2.5 mile or 5 mile distances and receive a specialized runners belt for participating.

Join the final event of the Winter Trail Series for a 5k or 10k through the beautiful forest of Interlaken Park. Choose between dirt trails and car free paved roads for a unique Seattle running experience.

Experience a historic skiing tradition at Mount Spokane State Park. This 10K event features wave starts for all speeds and includes dedicated categories for adaptive skiers on the scenic Nordic trail system.

February 2027

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.