Trail Running calendar near Leavenworth 2025-2026

We have found 43 Trailruns within 80 miles of Leavenworth. See below where and when you can find the races.

Plain Endurance Runs, held near Leavenworth, Washington, feature challenging ultra-distance races including a 100-mile and a 100K event. The courses traverse approximately 85 miles of US Forest Service trails and 20 miles of forest roads within the Cascade Mountains, covering the Lake Wenatchee, Ent..

The Brown Bear Salmon Run is a trail running event held at Snoqualmie Pass, Washington, featuring 15K and new 30K race options. Hosted by Evergreen Trail Runs in partnership with Brown Bear Car Wash, this moderately challenging race offers about 1900 feet of elevation gain per lap on scenic singletr..

Corn Maze Craze is a unique fall running event held at Bob’s Corn & Pumpkin Farm in Snohomish, Washington. Participants can choose between a 5k or 7k course that combines trail running with an adventurous route through a corn maze. The course starts and ends with runs along dirt farm roads, passing..

The Stehekin event is a four-day adventure run set in the remote and scenic Stehekin Valley, Washington, nestled along Lake Chelan and surrounded by the North Cascades. Covering distances between 40 to 70 miles from September 17-20, participants experience a mix of challenging trail running and leis..

The Cirque Series at Crystal Mountain, Washington, is a challenging 7.7-mile trail race featuring 2,544 feet of elevation gain. Starting at the Crystal Mountain base area, runners tackle the rugged Kelly’s Gap service road before ascending to Grubstake, the race’s highest point at 6,861 feet. The co..

Ultra Fest in Easton, Washington, is a premier mountain ultramarathon event featuring multiple distances: 100 miles, 100K, 50 miles, 50K, and 25K. Set in the scenic Central Cascade Mountains, the course is known for being fast and mostly flat, with moderate elevation gains ranging from 500 to 3,000..

The Return of the Salmon Celebration - Salmon Run is held in Sultan, Washington, at Osprey Park. This event features a scenic 5K trail run through the beautiful forest trails of Osprey Park and Susie's Trail, including multiple river crossings along the Sultan River. For those preferring a more leis..

October 2025

The North Bend Trail Fest, held in North Bend, Washington, is a dynamic mountain running event featuring multiple races over two days. Key races include the challenging North Bend Skyline 30k, a new course with 6,600 feet of vertical gain offering stunning views of Mt Si, Mount Rainier, and Seattle...

The Mad Meadows 50 is a challenging trail running event held near Leavenworth, Washington, featuring 50K and 50-mile distances. Set in the scenic Eastern Cascades during October's vibrant Larch Season, the course offers a mix of smooth single track, steep climbs, technical sections, and breathtaking..

The Golden 6 Hour is a scenic endurance running event held in Cle Elum, Washington, featuring a 2.45-mile single-track loop on the Swauk Forest Discovery Trail near Blewett Pass. Set amidst vibrant fall colors and turning larches, the course offers mountain views and a festive atmosphere. Participan..

The Middle Fork Trail Run, held in North Bend, Washington, offers trail races of 50k, 22 miles, half marathon, and 10k distances. Starting at the Middle Fork Trailhead, the courses traverse scenic trails including Middle Fork, CCC, and Snoqualmie Lake, featuring modest climbs along river valleys. Ru..

The North Bend Skyline 30K is a challenging trail running event held in the scenic Snoqualmie Valley, Washington. Part of the Vert Running Series Championship, it features a demanding course that tests runners' limits while offering stunning views of the valley and Cascade Mountains. The event takes..

UTMB Index

The Larch Madness Trail Races, held at Loup Loup Ski Bowl near Twisp, Washington, offer challenging trail running events amidst stunning fall scenery dominated by golden larches. Distances include 5K, 15K, 25K, and 50K, with elevation gains ranging from 1,300 to 18,200 feet. The courses feature stee..

Run with the Kokanee is a fall running event held at Lake Sammamish State Park in Issaquah, Washington. It features flat and fast 5k and 10k courses, with the 10k consisting of two loops of the 5k route. The course is mostly on paved paths and sidewalks, with about one-third on dirt or grassy trails..

The Cougar Mountain Trail Run, held at King County’s Cougar Mountain Regional Wildland Park in Newcastle, Washington, offers a scenic trail running experience just 15 minutes from Seattle. The event features multiple race distances: 5k, 7.6 miles, 19.5 miles, and 50 kilometers, with elevation gains..

The West Seattle Monster Dash is an annual costumed 5K trail run/walk held at Lincoln Park in Seattle, WA. The 14th edition takes place in October 2025 and features a 5K Run/Walk, a Kids Monster Dash for children 12 and under, and a "Just a Shirt!" option. Participants receive a t-shirt with the ico..

The Carkeek 12-Hour is a challenging trail running event held annually at Carkeek Park in Seattle, Washington. Celebrating its 19th edition in 2025, the race offers both 12-hour and 6-hour options on a 1.93-mile loop course featuring 436 feet of elevation gain per lap, including rolling trails and s..

The Hyak Halloween 25K is a trail running event held at Snoqualmie Pass, Washington, on the ancestral lands of the Snoqualmie Tribe. The 25-kilometer course features a unique and spooky highlight: runners pass twice through the 2.25-mile-long, 110-year-old Snoqualmie Tunnel, known for its eerie atmo..

November 2025

The Grand Ridge Trail Run, held in Issaquah, Washington, is the final race of the Evergreen Trail Runs season. Set in the scenic Grand Ridge Regional Park, the event offers multiple distance options including 5-mile, half-marathon, full marathon, and 50K, catering to a wide range of runners. The cou..

December 2025

The Pigtails Run, known as the "Flat" Fat Ass, is a celebrated running event held in Maple Valley, Washington, marking its 20th year in 2025. The race offers multiple distances including a 50K, marathon, and half marathon, with an early start option for the 50K and marathon. The course features a sc..