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.

A downhill marathon and half marathon near Snoqualmie Pass on June 7, 2026 with an alternate fully permitted course, about 1,000 feet of net elevation drop, USATF certification, and the marathon listed as a Boston qualifier.

A multi-day, beginner-friendly trail festival at St. Edwards State Park focused on inclusion and community, with looped race distances, family activities, on-site refreshments, and a reusable cup program to reduce waste.

Gulch Countdown is a Last Person Standing trail race on a 2.18 mile loop in Japanese Gulch, Mukilteo, WA. Cutoff times shrink each loop until one runner remains; the event includes a full aid station, fastest-lap awards, and trail funding.

Experience diverse trails and lush forests at Cougar Mountain Regional Wildland Park. Choose from three distances ranging from a 5k to 14.5 miles just minutes from Seattle.

Experience the ultimate sea to summit challenge with this 16 km race featuring 1,400m of elevation gain. Run from Ambleside Beach to the peak of Grouse Mountain as a solo athlete or in a relay team.

Enjoy a free seven race summer series featuring a 5k trail course in Black Diamond. Run or walk bi weekly races to build community and compete for season end prizes in a supportive environment.

The Sasquatch Ultra challenges you to race against the clock on the trails of Sasquatch Mountain Resort. Choose your test between 6, 12, or 24 hours on a demanding 10 km loop. Set up your home base and fuel up with a menu crafted for long e..

Hotfoot 5K Trail Run in Port Orchard offers a mostly flat 5K and a 1 mile loop through South Kitsap Regional Park, with proceeds supporting a community scholarship and the public Fourth of July fireworks.

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.

A weekend alpine trail running event in North Cascades National Park with guided support, campsite logistics and multiple route distances including 12 mile, 25 km, 26 mile and 40 mile options.

A trail race near Issaquah, WA offering 50K, half marathon, 5 mile and kids races on Tiger Mountain trails, with steep climbs, 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.

Trail races in Ladysmith on July 4 2026 include a 20 km long course and a 1 km kids race with routes through Holland Creek and Heart Lake and a finish at Transfer Beach.

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.

Dirt Circus Seattle is a one-day community running festival on July 22, 2026, featuring a group run with short and longer routes, an expo with vendors, food, and a raffle. Check-in is at Seven Hills Running and the event is cupless.

Test your endurance on the rugged North Shore Mountains with technical trail races of 35 km and 50 km. Experience a massive 2500 meter climb starting from the scenic Mount Seymour Resort.

August 2026

A two-day trail running event in Hoodsport, WA featuring a **22 km** skyrace to Mt. Ellinor and an **8 km** forest loop, part of international skyrunning and qualification series.

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