Trail Running calendar near Oak Harbor 2025-2026

We have found 50 Trailruns within 80 miles of Oak Harbor. See below where and when you can find the races.

Buckin' Hell is a challenging trail running event hosted by Salomon Coast Mountain Trail Running, held at Mt Seymour Resort in North Vancouver, BC, Canada. The race features rugged terrain in the North Shore Mountains with nearly 2,500 meters (8,250 feet) of climbing and descent. Participants can ch..

August 2025

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..

UTMB Index

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 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..

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..

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..

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 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..

The Vancouver Island Trail Running Series - Cobble Hill is a premier trail running event held at Quarry Nature Park in Cobble Hill, BC, Canada. Now in its 8th year, this race features challenging single-track trails through the Cobble Hill Mountain Recreation area, showcasing classic West Coast terr..

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 Gulch Countdown is a unique trail running event held in the scenic Japanese Gulch forests of Mukilteo, Washington. The race features a 2.18-mile loop through lush terrain with ferns, moss-covered trees, and giant cedars, offering a mountain-like experience close to home. It is a "Last Person Sta..

September 2025

Finlayson Arm is a challenging trail running event held in Victoria, British Columbia, featuring distances of 28K, 50K, and 50 miles. The course includes a mix of single track, double track, and coastal mountain trails through old growth forests and Arbutus trees. Runners face significant elevation..

The Cascade Express Marathon and Half Marathon, held in Snoqualmie Pass and North Bend, Washington, is renowned as one of the fastest marathon courses in the U.S., ranking in the top 25 fastest and top 10 Boston Qualifier courses with a BQ rate over 34%. The marathon features a scenic 26.2-mile poin..

The GOAT Run in Port Angeles, Washington, is a challenging trail running event featuring a half marathon (~14 miles), marathon (just under 26 miles), and 50K race. The point-to-point course traverses Kelly Ridge along the Olympic Adventure Trail, between Olympic National Park and the Strait of Juan..

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..

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..

The Grouse Grind Mountain Run will take place in North Vancouver on Sunday 7 September 2025.

Corn Maze Craze is a unique fall running event held at Bob’s Corn & Pumpkin Farm in Snohomish, Washington. Scheduled for September 13, 2025, it offers 5k and 7k distances that combine trail running with the adventure of navigating a corn maze. The course features a run along dirt farm roads through..

Nooksack Ridgelines is a multi-day trail running event held in the North Cascades, Washington, featuring stunning high-country scenery shaped by volcanic and glacial forces. Over four days, runners tackle daily distances ranging from 7 to 34 miles across challenging ridgelines such as Excelsior Ridg..

The Dream Nation Apparel Vancouver Island 24 Hour is a multi-distance endurance running event held at the Cowichan Sportsplex in Duncan, BC, Canada. Scheduled for September 20, 2025, it features 3, 6, 12, and 24-hour races, a 100km event, and team categories for 2-10 participants. The goal is to cov..