Trail Running calendar near Black Diamond 2026-2027

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

A volunteer-run, no-entry-fee event on June 6, 2026 offering marathon, half marathon, relay and 50K options. The mostly flat course runs from South Kent toward Alki with limited on-course support and donation-based funding.

A looped trail event in Port Gamble offering 100 mile, 100K and 50 mile options across eight 12.5 mile loops with two aid stations per loop, on-course GPX support, camping, and amenities including hot food and post-run massage.

A largely downhill marathon and half marathon through the Snoqualmie Tunnel near Snoqualmie Pass, WA, using an alternate 2026 route with about 1,000 feet net elevation drop and USATF certification.

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.

A USATF certified marathon and half in Snoqualmie Pass on June 13, 2026, running through the Snoqualmie Tunnel with a sustained net downhill and Boston qualifying eligibility. The event is ranked nationally for fast qualifying courses.

A Last Person Standing trail race on a 2.18 mile loop in Japanese Gulch, Mukilteo. Timed loops use shrinking cutoffs from 32 minutes and the event includes a full aid station plus a fastest lap competition for men and women.

Trail races of 5 km, 8.2 mile and 14.5 mile take place at Cougar Mountain Regional Wildland Park near Seattle. The series supports King County Parks funding and uses varied single track and groomed forest trails.

A seven race summer 5k series in Civic Park, Black Diamond with free single registration, hand timed open course, post race refreshments, and season prizes for participants who run at least four events.

A three day stage relay across North Central Washington for teams of up to eight, using printed maps and minimal course markings. Each day covers about 75 miles split into 16 legs, with on course medical support and nightly team gatherings.

Hotfoot Trail Run, the 24th HotFoot 5K at South Kitsap Regional Park on June 20, 2026, features a mostly flat 5K loop and a 1 mile perimeter trail; preregistration fees, T-shirt sales, and community fundraising are part of the event.

Trail run at Carkeek Park in Seattle offering 5k and 10k loops through forested trails with varied climbs and descents. Aid station at start/finish, post-race food, awards, and series participation.

Multi-distance trail race in Hyak, Washington on June 26-27, 2026 featuring 200K, 100-mile, 100K and 50-mile options, a 2.3 mile tunnel, crushed limestone surface, 1,916 ft gain, and electronic timing.

A self-supported, choose-your-own-adventure trail event at Camp Sheppard near Mount Rainier offering 24-hour solo, 24-hour team, and a 100-mile option, six marked trails, camping included, and points-based main and side quests.

A self supported trail event near Easton WA featuring a roughly 50K loop with about 10,000 feet of climb. The course has no markings or aid stations and requires carrying food, water treatment, a phone with the GPX, and prior 50 mile experi..

Test your endurance at Crystal Mountain Resort by tackling mountain trails with a 20 pound pack. Choose from three distances ranging from 6.5 to 18.5 miles in the scenic Mount Rainier National Park region.

Trail races of 5 mile, half marathon and 50K through Tiger Mountain State Forest near Issaquah, WA. The half and 50K routes climb two of Tiger Mountain's peaks and include substantial elevation gain.

July 2026

Trail out and back on the Sammamish River Trail from Bothell Landing offering a half marathon, a full marathon and a 50K. Water and snacks are available and finishers receive a wooden medal.

Choose a 5K or the 8K Hill Challenge on trails that cross Mossyrock Dam, with Riffe Lake views and a short cross-country section. Family pricing and youth rates are available; partial refunds permitted before June 13.

An evening trail run at Seward Park on July 7, 2026, featuring a mostly forested loop with **4.2 mile** and **10k** options, an aid station, post-race food, youth series scoring, and awards for top finishers.

A multi-distance trail event at Cougar Mountain Regional Wildland Park near Seattle, featuring forested single-track, rolling hills and marshside trails. The 21st annual series supports King County Parks and includes a multi-race series com..

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