Trail Running calendar near Oak Harbor 2026-2027

We have found 117 Trailruns within 80 miles of Oak Harbor. See below where and when you can find the races.

Challenge yourself on the historic stairs of Tacoma at the Unleashed at Stadium Bowl. Choose from one or two laps totaling up to 3256 steps to support local animal rescue efforts.

Trail races from Fairhaven Park into Larrabee State Park featuring forest singletrack, lake views, ridge running and technical terrain across 50K, 25K, 12K and a kids race.

Experience the lush forests and single track trails of Bellevue in this eco friendly trail series. Choose from three distances ranging from a 5K to a full marathon while supporting King County Parks.

A mostly downhill rail-trail marathon and half marathon through the Snoqualmie Tunnel and mountain scenery. Both races will be USATF certified and the marathon will be a Boston qualifier; packed gravel surface and shuttle service are provid..

Trail races at Cobble Hill Mountain offering long, short and kids distances with aid stations and a cupless policy. Bib pickup requires government photo ID and parking is only in designated nearby areas.

Multiple distances in the Olympic National Forest near Quilcene on August 15 and 16, 2026. Courses feature technical single track, substantial climbing and staffed aid stations across 10K to 100K options.

Experience an evening run at Chambers Bay with stunning views of Puget Sound. Choose between 5k, 10k, or half marathon distances on a scenic paved loop featuring rolling hills and sunset vistas.

September 2026

Trail races of 28 km, 50 km, 50 miles and a double option run from Goldstream Provincial Park near Victoria BC. Routes follow single and double track through Arbutus and old growth forest with substantial elevation gains.

Traverse the scenic Kelly Ridge on single track trails between Olympic National Park and the Strait of Juan de Fuca. Choose from three distances finishing at the clear waters of Lake Crescent.

Cascade Express Marathon and Half in Snoqualmie Pass, WA features a USATF certified marathon with 1,247 feet of net downhill and a national number 5 Boston Qualifier ranking. The course runs through the Snoqualmie Tunnel corridor.

Experience a flat out and back course through mossy evergreen forests along the Snoqualmie valley trail. Choose from four different distances starting at Tolt MacDonald Park in the town of Carnation.

Fourth annual 5K at Illahee Preserve in Bremerton held during National Recovery Month. Proceeds support the Salish Recovery Coalition and participants receive event swag, a custom finisher medallion, coffee and donuts.

A marathon and half marathon on September 13, 2026 at Hyak Snoqualmie Pass featuring a packed gravel course with about 1,000 feet of net downhill and a run through the Snoqualmie Tunnel; the marathon is a USATF certified Boston Qualifier.

Experience an obstacle course championship weekend at Meadow Wood Equestrian Center. Choose from several distances through evergreen trails and narrow paths between the Cascade Mountains and Puget Sound.

Experience a 70 mile trail relay divided into 12 scenic legs across Moran State Park on Orcas Island. Form a team of two to six runners to tackle diverse terrain and the summit of Mount Constitution over two days.

Test your limits at the Cowichan Sportsplex in Duncan with track events ranging from 3 to 24 hours. Join as an individual or team to support the Victoria Hospitals Foundation in this sanctioned endurance race.

A themed 5K on September 19, 2026 at Magnuson Park in Seattle that invites participants to walk or run in costume. The trail route includes mild inclines and mixed surfaces and welcomes leashed dogs and suitable strollers.

A coastal trail event in Anacortes offering marathon, half marathon, 5 mile and kids race on looped courses with ocean views. Half and full marathon runners cross Deception Pass Bridge and finish near Bowman Bay.

Experience an exceptional trail run through the forests and lakes of Mt. Seymour Provincial Park. Choose from distances ranging from kids runs to a 14 km grit course just outside of Vancouver.

October 2026

A two day mountain running festival in North Bend, WA featuring the Skyline 30k, Mt Si VK, Little Si 10k, and a North Bend Double, plus outdoor exhibits and awards across Elite, Sport, Masters and Nonbinary divisions.