Trail Running Calendar Washington 2025-2026

Camp Lug-A-Chug is a unique volunteer event held near Cougar, Washington, at Marble Mountain Sno Park. Participants carry water uphill to remote aid stations for a race, hiking approximately 9 miles roundtrip each day over a weekend. The event is known for its challenging physical activity, camarade..

The Rams Twilight Trail Run is a 5-kilometer (3.1 miles) trail race held in Chattaroy, Washington, behind Riverside High School. The event features a scenic course used by the Riverside Rams Cross Country team and is organized by the Ram Nation Boosters to support the school's XC team with travel an..

The Beast of Big Creek is a challenging mountain trail running event held at Big Creek Campground near Hoodsport on Washington's Olympic Peninsula. The highlight is a 22K (14-mile) Skyrace certified by the International Skyrunning Federation, featuring a demanding 5,300 ft vertical climb to the summ..

Hamster Endurance Runs is a multi-distance ultrarunning event held annually at Lake Padden in Bellingham, Washington. Established in 2013, the race offers 6, 12, 24, and 32-hour endurance challenges on a well-marked 2.6-mile loop trail around the lake, featuring compact dirt and crushed gravel with..

The Volcanic 50 is a rugged and challenging trail running event held at Mt. St. Helens in Washington.It features two race distances: a demanding 50K course that circumnavigates the volcano via the single-track Loowit Trail, covering about 32 miles with roughly 7,400 feet of elevation gain and loss,..

The Bigfoot endurance runs, including the 200 Mile, 40 Mile, and 20 Mile races, take place in the Cascade Mountains of Washington State. The flagship Bigfoot 200 is a challenging 207.9-mile point-to-point race circumnavigating Mount Saint Helens, Mount Hood, and Mount Rainier, featuring over 45,000..

Larrabee Lakes is a trail running event held in Bellingham, Washington, starting and finishing at Fairhaven Park. The race offers three distances: 12K, 25K, and 50K, winding through lush green forests and past picturesque lakes within Larrabee State Park. Runners experience a mix of smooth singletra..

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..

Race the Reserve is a scenic running event held in Coupeville on Whidbey Island, Washington. Participants can choose from a 5K, 10K, half marathon, or a virtual race of any distance. The course traverses the beautiful Ebey's Landing National Historical Reserve, including Ebey's Prairie and Crockett..

The Huckleberry Festival 5K Trail Run takes place at 49° North Mountain Resort in Chewelah, Washington. This timed 5K mountain trail run offers a family-friendly atmosphere and features a diverse course with surfaces including dirt, gravel, rock, and grass, along with an elevation gain of over 700 v..

The Olympic Mountains Trail Races, held in the Olympic National Forest near Quilcene, Washington, offer challenging trail running events over two days in August. Distances include a 100K ultra with 14,200 feet of elevation gain on mostly single-track trails, a demanding 50K featuring 8,600 feet of c..

Twilight at the Bay is a scenic running event held at Chambers Bay Loop Trail in University Place, Washington. Participants can choose from a half marathon, 10k, or 5k race, each featuring loops on a wide, paved trail with a mix of flat sections, inclines, and switchbacks. The course offers breathta..

The Paradise Valley Trail Run, held at Paradise Valley Conservation Area in Woodinville, Washington, offers trail races in 5k, 10k, and half marathon distances. The courses feature gently rolling trails with a mix of wide promenades and narrow, winding paths through wetland cedar groves and forested..

The Sole Survivor Backyard Ultra in Richland, Washington, is a unique endurance trail running event inspired by Big's Backyard Ultra. Held at 1200 Carrier Rd., runners complete a 4.1667-mile loop every hour on the hour, continuing until only one runner remains. The course features a mix of trail and..

The Goat Rocks Stage is a challenging 50-mile, two-day trail running event set in the stunning Goat Rocks Wilderness between Mt. Rainier and Mt. Adams in Washington.Known for its rugged alpine terrain, narrow ridgelines, and volcano views, the course offers experienced runners a high-mileage adventu..

The Dark Divide Trail Races, held near Randle, Washington, offer a challenging and scenic ultramarathon experience in the rugged Dark Divide Roadless Area of the Central Washington Cascades. The event includes a 100-mile race, a new 100K point-to-point course, a 50K, and a 15-mile fun run, all start..

The Cutthroat Classic is an 11-mile singletrack trail run through the North Cascades, following the iconic Pacific Crest Trail over Cutthroat Pass. Starting at Rainy Pass (4,870 feet elevation), runners climb steadily for five miles to Cutthroat Pass (6,835 feet), then descend four miles to Cutthroa..

The Tartarus Backyard Ultra is a unique endurance event held at Camp 7 in Riverside State Park, Spokane, Washington. It features two separate races: a running race with 4.1667-mile loops and a rucking race with 2.2-mile loops. Participants must complete each loop within one hour, starting a new loop..

The Recovery 5k is a trail run held at Illahee Preserve Heritage Park in Bremerton, Washington. Celebrating overcoming behavioral health challenges, this event supports the Salish Recovery Coalition. Now in its third year, the well-supported 5k course offers a fun run, walk, or hike through beautifu..

Beat The Blerch is a unique running event held in Carnation, Washington, about 35 minutes from Seattle, at King County’s Tolt MacDonald Park. The race offers multiple distances including a 5K, 10K, half marathon, and full marathon. The course is a flat, out-and-back gravel trail that meanders throug..