Trail Running calendar near Sequim 2026-2027

We have found 100 Trailruns within 80 miles of Sequim. See below where and when you can find the races.

Experience the forest trails of Carkeek Park in Seattle with 5k and 10k options featuring rolling hills and post-run festivities. Enjoy a community atmosphere with refreshments and awards in a beautiful wooded setting.

Trail running event near Issaquah with multiple distances including a 50K, half marathon, 5 mile and kids race. Courses run through Tiger Mountain forest with steep climbs, ridge sections, aid stations and shared-use trails.

July 2026

A day of road trail racing on the Sammamish River Trail offering a half marathon, marathon and 50K out and back from Bothell Landing Park. The route passes Wilmot Gateway Park and turns at Dr Call's Bench.

Explore the scenic trails of Ladysmith with the Vancouver Island Trail Running Series featuring 10 km and 20 km courses plus a dedicated kids race at Transfer Beach Park.

Run through an old growth forest on the Lake Washington peninsula at Seward Park. This Tuesday evening event features technical trail loops, a post race grill, and distances of 4.2 miles and 10 km.

Experience the lush forests and rolling hills of Cougar Mountain Regional Wildland Park at this trail event near Seattle. Choose between 5k, 10.8 mile, and 19.5 mile distances on varied terrain ranging from technical to groomed trails.

A 5K trail run and walk on Tiger Mountain with an out and back route over unpaved roads and a short cross country section. The event is clothing optional and is sponsored by Tiger Mountain Family Nudist Park.

Experience the lush forests and historic grounds of St. Edward State Park at this summer trail run. Choose between a 4 or 8 mile loop followed by a social grill out with hot dogs and watermelon.

A free community run and festival in Seattle featuring a group run with 4 and 6.5 mile options, an expo with local race directors and brands, food, vendors, and a raffle.

August 2026

A skyrunning event in Hoodsport, Washington with a 22 km summit race to Mt. Ellinor and an 8 km forest loop through Olympic Peninsula rainforest. Start and finish are at Big Creek Campground with limited weekend camping.

UTMB Index

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.

A trail running event in Bellingham with 50K, 25K, 12K and a kids race on mixed singletrack and ridge trails, featuring lakes, ridgeline views, steep technical sections and a handcrafted finisher award.

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 fast, mostly downhill marathon and half marathon at Snoqualmie Pass featuring a run through the Snoqualmie Tunnel, USATF certification, aid stations every 2–3 miles, and shuttle service from the Garcia Trailhead.

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.

A weekend of trail races in the Olympic National Forest near Quilcene featuring 100K, 50K with a Ruck division, 25K with a Ruck division, and a new 10K, all on single loop or continuous courses with significant climbing and multiple aid sta..

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

Experience a variety of ultra distances and timed events on a flat 3.1 mile loop in Bonney Lake. Enjoy free on site camping and a central aid station perfect for personal PRs or your first ultramarathon.

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.