Trail Running calendar near Issaquah 2025-2026

The Light at the End of the Tunnel Marathon is a fast, downhill point-to-point race held in Washington State, starting at Snoqualmie Pass and finishing in North Bend. Known for its consistent downhill grade with over 2,000 feet of elevation loss, the course offers runners an excellent opportunity to..

The Cougar Mountain Trail Run Series #2 takes place at King County’s Cougar Mountain Regional Wildland Park in Newcastle, Washington, just 15 minutes from Seattle. This event offers three distance options: 5k, 8.2 miles, and 14.5 miles, featuring a variety of trails that range from narrow, technical..

The Tiger Mountain Trail Run, held in Issaquah, Washington, offers a premier Pacific Northwest trail running experience in the scenic Tiger Mountain State Forest. Participants can choose from 5k, 12k, and half marathon distances, each featuring well-marked loop courses through the Tradition Plateau..

The Hotfoot 5K Trail Run is an annual running event taking place in Port Orchard, Washington, featuring a 5K trail course and a 1-mile trail course. The event is designed for participants of all skill levels and is set in the scenic South Kitsap Regional Park, which offers a mostly flat course that..

The Super Marathon & Half Marathon, taking place on June 21, 2025, in North Bend, WA, features two of the fastest courses in the country. The Super Marathon is a Boston Qualifier with a 34% qualifying rate, offering a scenic 26.2-mile downhill route alongside Keechelus Lake and through the Cascade M..

The Silver Creek Trail Run Half Marathon, held at Night Owl Landing in Kingston, Washington, offers a scenic trail running experience through a 122-acre private resort featuring Douglas Fir, Big Leaf Maples, Alders, and Western Red Cedar. The event includes 5K, 10K, and half marathon distances, with..

The Carkeek Warmer Trail Run, held at Carkeek Park in Seattle, WA, features 5k and 10k distances on June 24, 2025. The course offers six miles of dynamic, roller-coaster trails through forested terrain, combining wide, rolling paths with narrow, steep sections. The 5k route includes a mix of gentle..

The Yeti 100 Mile Endurance Run in Washington is a premier ultramarathon held annually at the Hyak Trailhead on the Palouse to Cascades Trail. Offering 100-mile, 100K, and 50-mile distances, the race features a runner-friendly, out-and-back course with a total elevation gain of 4,000 feet and a maxi..

The SISU 24 Ultra PNW is a unique endurance event held at Camp Sheppard near Enumclaw, Washington, in the scenic Cascade Mountains close to Mount Rainier National Park. Participants can choose from a 24-hour solo or team adventure, or tackle the challenging 100-mile race with a 32-hour cutoff and ov..

The Tiger Peak Challenge is a demanding trail running event held in Issaquah, Washington, within the scenic Tiger Mountain State Forest. Participants can choose from three distances: 5 miles, a half marathon, or a 50K ultra, all featuring significant elevation gains—500 feet for the 5-mile, 4,000 fe..

The Seward Sizzler Trail Run is a scenic trail running event held at Seward Park in Seattle, Washington. Set on a peninsula surrounded by Lake Washington, the course features a loop mostly through old-growth forest, known as “The Magnificent Forest,” with towering Western Red Cedars and Douglas Firs..

The Cougar Mountain Trail Run Series #3 is a trail running event held at King County’s Cougar Mountain Regional Wildland Park in Newcastle, Washington, just 15 minutes from Seattle. Scheduled for July 12, 2025, the race offers three distance options: 5k, 10.8 miles, and 19.5 miles. The course featur..

Kill Bill’s Oyster Dome Challenge is a challenging trail running event held on Blanchard Mountain near Alger, Washington. Participants can choose between a 25k or a 50k race, with the 50k consisting of two loops of the 25k course. The course features tough climbs, including the infamous "Kill Bill H..

Running with BigFoot 8K is an annual trail running event held at Mud Mountain Dam in Enumclaw, Washington. Now in its 6th year, this challenging 8-kilometer course offers a scenic trail experience in Bigfoot's backyard. The event emphasizes environmental responsibility by eliminating disposable cups..

The Mount Rainier Half Marathon & Trail Events take place at Crystal Mountain Resort near Enumclaw, Washington, in the Cascade Range. This scenic race offers a challenging 13.1-mile course through diverse terrain including towering evergreen forests, alpine meadows, ridgelines, and mountain lakes, a..

Cascade Crest is a renowned 100-mile trail running event held in Easton, Washington. Known for its challenging course, the race features over 23,000 feet of elevation gain and includes about 32 miles along the scenic Pacific Crest Trail. A unique highlight is running through the 2.3-mile Snoqualmie..

The Summer Eddy Trail Run, part of the Tuesday Night Trail to Grill series, takes place at St. Edward State Park in Kenmore, Washington. Offering 4-mile and 8-mile distances, the course features a mix of wide trails and twisting single track with swooping turns, moderate roots, and rocks, providing..

Dirt Circus - Seattle is a free community trail running event held in Seattle, Washington, celebrating local races, run clubs, and running culture. Organized by UltraSignup, this one-day festival features a social group run with options of 4 or 6.5 miles, followed by a lively expo at Seven Hills Run..

The Beast of Big Creek is a challenging mountain trail running event held at Big Creek Campground near Hoodsport on the Olympic Peninsula, Washington. Featuring three race options, it includes a 22K (14-mile) Skyrace certified by the International Skyrunning Federation, which ascends over 5,300 feet..

The Cougar Mountain Trail Run Series #4 takes place on August 9, 2025, at King County’s Cougar Mountain Regional Wildland Park in Newcastle, Washington, just 15 minutes from Seattle. This event offers three race distances: 5k, 14.5 miles, and a full marathon of 26.2 miles. The course features a vari..