Trail Running calendar near Siler 2025-2026

We have found 75 Trailruns within 80 miles of Siler. See below where and when you can find the races.

The Mardi Gras Soaring Eagle Trail Race, taking place on March 1, 2025, in Sammamish, Washington, offers participants the choice of a 5-mile or 10-mile trail run. This festive event celebrates Fat Tuesday with a New Orleans flair, featuring a Mardi Gras medal for all finishers, along with custom T-s..

Running Up For Air - Tiger Mountain is a running event scheduled for March 8, 2025, in Issaquah, WA. The event features multiple race formats, including a 12-hour solo race, a 6-hour race, a 3-hour race, and a 12-hour two-person team challenge. However, due to a recent windstorm that significantly i..

The Little Backyard Adventure is a trail running event taking place in Olympia, WA, featuring 3, 6, and 12-hour endurance runs. Participants will navigate a scenic ~4-mile loop through the lush L.B.A. neighborhood forest park, which includes technical trails and approximately 200 feet of elevation g..

The A2PT 5K MS Fundraiser is a family-friendly fun run taking place on the scenic Titlow Trails in Tacoma, WA. This event aims to raise funds for a multiple sclerosis program, providing pro bono physical therapy services and access to advanced treatment technology for those affected by MS. Participa..

The Dash Point Trail Run, scheduled for March 22, 2025, takes place in Dash Point State Park, Federal Way, WA. This scenic event features a 10K and a half marathon, winding through a 398-acre park with stunning views of Puget Sound and opportunities to observe local wildlife. The course is designed..

Dizzy Daze is an endurance running event taking place at Green Lake Park in Seattle, WA. Participants can choose between a 12-hour or a 5-hour race, running on a flat 3.2-mile loop around the lake. Runners will travel counter-clockwise on a groomed dirt path, aiming to complete as many laps as possi..

April 2025

The Gorge Waterfalls event features scenic trail running races of 100K, 50K, and 30K through the stunning Columbia River Gorge. Known for its challenging terrain and breathtaking views, this event is a highlight in the Pacific Northwest running calendar. Organized by Freetrail and Daybreak Racing, p..

The Cottontail 6 & 12 Hour event, taking place in Seattle's Carkeek Park, offers participants the chance to run for either six or twelve hours on a scenic 1.93-mile loop. This annual race, now in its 11th year, features varied terrain, including steep stairs and rolling trails, with a total vertical..

The Loop the Lookout Trail Run, taking place at Pinnacle Peak Park in Enumclaw, WA, features a variety of race distances including 5k, 10k, and 15k, along with a free 0.8-mile kids' run. This event is part of the Goat Series, known for its challenging hilly courses, making it an excellent opportunit..

The Squak Mountain Trail Run, taking place at Squak Mountain State Park near Issaquah, Washington, offers a breathtaking experience with stunning views and challenging elevation gains. Participants can choose from three race distances: 12K, half-marathon, and 50K, all featuring well-maintained trail..

The Twilight 12 Hour is a unique night running event held at Flying Horseshoe Ranch in Cle Elum, WA. Originating from a casual night run in Utah, this event encourages participants to run a 2.3-mile loop under the stars, fostering a sense of community among trail runners. It is not a competitive rac..

Capitol Peak is an annual running event featuring a 50-mile ultra and a 25K trail race, taking place in Capitol Forest, Olympia, WA. Celebrating its 17th year, the event offers participants a chance to experience rugged singletrack trails and scenic views. Runners must complete the 50-mile race with..

The Oxbow Trail Runs is a family-friendly running event featuring 5K, 10K, and half marathon distances, set in the picturesque Oxbow Regional Park near Gresham, Oregon. Scheduled for April 27, 2025, participants can enjoy scenic trails along the Sandy River, with courses designed for various skill l..

May 2025

Wood You Rather is a unique checkpoint running event organized by Go Beyond Racing, taking place in Forest Park, Portland. Participants receive a map with ten highlighted checkpoints and have 2.5 hours to strategize their route, choosing how to navigate the trails to collect as many checkpoints as p..

The Mt Si Relay & Trail Runs is a popular running event taking place in Snoqualmie, WA, featuring various distances including a 50-Miler, 50K, Marathon, and Half Marathon. The event caters to both novice and experienced runners, offering a supportive environment with multiple aid stations along the..

Tiger Claw is an exhilarating trail running event held in Issaquah, WA, featuring challenging courses that test the limits of even the most seasoned runners. Participants can choose from three main events: the 50k, the Ascent, and the Big Cat, which combines both the Ascent and 50k. The course inclu..

The Cougar Mountain Trail Run Series #1 is set to take place in King County’s Cougar Mountain Regional Wildland Park, Newcastle, WA. This event features two race distances: 5.1 miles and 10.8 miles, providing a scenic trail running experience just 15 minutes from Seattle. The series has a strong com..

The Firelane Trail Trial is an exciting time trial event set in Forest Park, Portland, OR, designed for hill climbers and speed enthusiasts. Participants will tackle a challenging 4.45-mile roundtrip course with a total elevation gain and loss of 1,266 feet. The race features wave starts, allowing g..

The PDX 50K is an exciting running event taking place in Portland, Oregon, organized by Run Pacifica. This unsupported race features a diverse course that includes roads, car-free paths, and dirt/gravel trails, allowing participants to explore all six quadrants of the city. Starting from Brooklyn Pa..

The Teanaway Trail Run is an exciting running event set in the picturesque Teanaway Community Forest near Cle Elum, WA. Participants can choose from various distances, including a 5k, 10k, half marathon, and marathon. The course features scenic dirt logging roads and trails, with moderate elevation..