Trail Running calendar near Siler 2025-2026

We have found 57 Trailruns within 80 miles of Siler. See below where and when you can find the races.

Run the Bigfoot 20 Mile on August 14, 2026, from Marble Mountain Sno Park near Cougar Washington along the southwestern slopes of Mount St. Helens. Enjoy single track trails through lava fields, stream crossings and old growth forest with a..

Wy’east Trailfest is a two-day mountain event at Mt. Hood Meadows on August 15 and 16, 2026, featuring alpine trails to 8,000 feet and distances from a kids run to 50 miles. Expect marked courses, full aid stations, camping and custom finis..

Run Super Series offers road and trail races across Washington, from 5k to 100 mile ultras, plus relays and downhill marathons with Boston qualifying courses. Scenic routes and varied distances suit every runner.

Tackle the scenic Post Canyon Half Marathon in Hood River, Oregon, a challenging trail with roughly 2,300 ft of climbing, sweeping mountain views and creekside waterfalls. Cup free event with aid stations and finisher prize bags.

Backcountry Rise brings scenic singletrack around Coldwater Lake on Mount St Helens with 50K, 20 mile and half marathon options. Base camp at the Science and Learning Center includes parking, camping, aid stations and chip timing.

September 2026

Experience the Dark Divide Trail Races Sept 4 to 6, 2026 near Randle, Washington, with distances from a 15 Miler up to a 100 Miler. Rugged, scenic forest courses, a Hardrock 100 qualifier, and rustic basecamp at Cispus Learning Center.

Scenic point to point marathon and half near Snoqualmie Pass on September 12, 2026, run on gravel trails with a net downhill. Marathon is Boston qualifying and the half includes a 2.4 mile stretch through the Snoqualmie Tunnel.

Join the quirky Beat the Blerch run created by The Oatmeal, with distances from 5K to marathon. Enjoy a flat out and back course through mossy evergreen forests along the Snoqualmie Valley Trail near Carnation.

Run the Tunnel Light Marathon and Half on a scenic point to point course from Snoqualmie Pass to North Bend, featuring a tunnel section and steady downhill that makes for fast times. Registration opens January 1, 2026.

Run a stunning 7.7 mile mountain course with 2,544 feet of climbing at Crystal Mountain, WA, featuring summit ridgeline views and technical single track. Limited to 700 entries and part of the Cirque Series with season points and buckle awa..

Ultra Fest in Easton, Washington invites trail lovers to race the scenic Foothills Trail alongside rivers, forests, and mountain views. Choose distances from 25K to 100 mile, with buckle awards for the longest distances and a lively finish..

October 2026

North Bend Trail Fest returns October 3 and 4, 2026 to Torguson Park in the Snoqualmie Valley with mountain biking, fly fishing, gravel rides and a climbing wall. The weekend highlights the Skyline 30k with huge vertical gain and supports R..

November 2026

Grand Ridge Trail Run in Issaquah on Nov 7, 2026 offers distances from a kids race to 50K across rugged, scenic trails with big climbs and sweeping views. The race is cupless so bring a refillable bottle.

Thunder River in Cascade Locks Oregon offers 50K and 25K trail courses on the Pacific Crest Trail, passing under the Bridge of the Gods and finishing at Marine Park. Expect scenic singletrack and dramatic Gorge views.

Tackle a thrilling 7 mile trail run from Dog Mountain Trailhead with a steep climb to the summit and a fast single track descent, all amid sweeping Columbia River Gorge views. Finish festival includes beer, pizza and a lively trail running..

December 2026

The Pigtails Run Flat Fat Ass returns to Maple Valley this December with 50K, marathon and half marathon options on a community supported course. Expect a laid back, low support atmosphere perfect for self reliant runners and exploring scen..