Trail Running calendar near Siler 2026-2027

We have found 83 Trailruns within 80 miles of Siler. See below where and when you can find the races.

A free community trail running festival in Seattle on July 22, 2026, combining group runs, an expo with brands and vendors, food and a raffle. Run options include 4 miles or 6.5 miles and a city-specific T-shirt preorder is available.

Outlast Portland is a 6 hour trail challenge of six timed 5K laps run on the hour. Runners who complete four or five laps earn patches and those who finish all six earn a medal and a national leaderboard ranking.

A mountain trail event near Greenwater, WA offering 50M, 50K and 25K courses with big climbs, Palisades views of Mt. Rainier, technical single-track and multiple aid stations.

Volunteer event at Marble Mountain Sno Park near Cougar, WA where crews carry water into remote aid stations for a race. Each day includes an about nine mile roundtrip hike and nearby camping is available.

Run the Trestle in Maple Valley on July 25, 2026 offers a USATF sanctioned half marathon (13.1 miles), 10K and 5K on a hard packed limestone trail with shaded sections. Registration includes a race T shirt and a finisher medal.

A low-key evening trail running series in Forest Park, organized as three Series of five races with courses around 4 to 7 miles. The Series includes standings, a post-Series awards gathering, and benefits the Forest Park Conservancy.

August 2026

A 100 mile mountain trail race on Mt. Hood with a crew accessible lollipop loop, 17,300 feet of ascent and descent, staged at Mt. Hood Meadows.

A two day trail event at Mt St Helens near Cougar, WA offering a full loop 50K with about 7400 ft elevation and a 25K option over varied volcanic terrain.

A loaded trail event at Esmeralda Trailhead in Cle Elum, Washington on August 1, 2026. Two options: a 13 mile route with 4,406 ft elevation gain and a 9 mile mini with 2,831 ft, each requiring a 20 lb dry load.

Stair races and walks at Stadium Bowl in Tacoma with one lap and two lap options, a Heroes Race with weighted vests, and proceeds supporting Kindred Souls Foundation. Open to participants aged eight and up with guardian supervision for mino..

Experience the lush forests and single track trails of Bellevue in this eco friendly trail series. Choose from three distances ranging from a 5K to a full marathon while supporting King County Parks.

Tunnel Vision Marathon & Half Marathon on August 9, 2026 near North Bend WA features a mostly downhill, USATF certified rail-trail with about 1,000 feet net elevation drop and a marathon that qualifies for Boston.

A low-key evening trail running series in Forest Park, organized as three Series of five races with courses around 4 to 7 miles. The Series includes standings, a post-Series awards gathering, and benefits the Forest Park Conservancy.

A 200 mile point to point trail run through Mount St. Helens and the Cascade Mountains in August 2026, featuring ridgelines, old growth forests, stream crossings and 13 aid stations including six sleep stations.

A 20 miles long single track trail race along Mount St. Helens' southwestern side, starting at Marble Mountain Sno Park, with lava fields, stream crossings and old growth forest.

Timed endurance event on August 15, 2026 in Lincoln Park, Seattle, where runners cover as many laps as possible on an about two-mile shoreline-and-forest loop. Features a team Battle of the Run Club, kids Loopy races, festival-style support..

Mountain trail races at Mt. Hood Meadows on August 15-16 2026, featuring a 50K USATF Trail National Championship, multiple distances and a free kids race.

A 24 hour festival of hourly five kilometer races at Kearin Family Farm in Bonney Lake, WA. Runners may complete between one and 24 laps and can camp on site while enjoying music, food, and games.

Looped 5K, 10K and half marathon on the paved Chambers Bay Loop Trail in University Place with varied terrain and bay views.

A two-day team trail relay at Crystal Mountain Ski Resort on August 21 and 22, 2026, featuring three National Forest loops, a mid-race gondola ride, and alpine views of Mt. Rainier. Multiple team formats and pricing tiers are available.

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