Trail Running calendar near Black Diamond 2026-2027

Coal Miner in Roslyn, WA is a self supported trail ultramarathon with a 51.3 mile course and over 10,000 feet of climb. Entrants must navigate from GPX files, carry a satellite messenger, and validate completion with GPS data and summit sel..

A timed endurance event in Gig Harbor, WA on September 12, 2026 offering 24 hour, 12 hour day, 12 hour night and 6 hour options on a two mile loop with about 320 feet climb per lap.

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 fast, net downhill marathon and half marathon on a smooth packed gravel rail trail near Snoqualmie Tunnel. The marathon is USATF certified and a Boston qualifier; headlamps are required for the tunnel section.

A timed stair-climb at T-Mobile Park with full and half routes, held September 16, 2026, that raises funds for the Cystic Fibrosis Foundation and includes age and fundraising requirements.

A Spartan Race weekend at Meadow Wood Equestrian Center near Monroe, WA, featuring wooded trails, narrow paths and Spartan obstacles. Events include Sprint, Super, Beast and a Kids Race, plus an Obstacle Workshop and a Hurricane Heat event.

Cirque Series at Crystal Mountain is a 7.9 mile trail race with 2,614 feet of vertical gain on September 19, 2026. Sport, Expert and Pro divisions offer prizes and series points, and timing is by disposable bib chip.

Plain Endurance Runs on September 19, 2026 near Leavenworth, WA features Plain 100K and 100 Mile courses on remote USFS trails and forest roads. The routes include about 21,000 ft of elevation change and one resupply after the first 100K.

Ultra Fest in Easton, WA offers distances from 25K to 100 mile across the Central Cascades, with day of registration and on site parking at the Easton Fire Station.

Trail ultraruns near Cle Elum WA through remote alpine terrain with large elevation gain. Options include 100 miles, 50 miles and 50 km; required safety gear, aid station cutoffs and a trail work or donation requirement apply.

A fantasy themed 5K walk and run at Magnuson Park with mixed trail surfaces, Villain Zones, and a Heroes Village; costumes encouraged and leashed dogs and strollers welcome.

A two-day trail running festival in North Bend, Washington featuring a steep Mt Si VK, a 30K Skyline race with major elevation gain, a 10K on Little Si, festival activities, and charitable support for Recovery Beyond.

A last-person-standing backyard ultra on October 3rd, 2026 where a $100 bill is added to the prize jar each lap; the winner and runner-up split the accumulated pot 75/25 and 24 laps earns a 100-mile buckle.

The North Bend Skyline 30K will take place in North Bend on Monday 5 October 2026.

Mad Meadows on October 10, 2026 near Leavenworth Washington offers 50k and 50 mile trail races on high alpine ridgelines with golden larches, technical single track, and substantial elevation gain. The event is cupless and has staffed aid s..

A six hour trail running event on the Swauk Forest Discovery Trail near Blewett Pass on October 10, 2026. The 2.45 mile single track loop has about 650 ft of climbing and features a fall themed potluck aid station and a post race dinner opt..

Trail races on the Middle Fork and CCC trails in North Bend, WA, on October 10, 2026. Distances from 10k to 50k feature river valley scenery, aid stations, and some unbridged creek crossings.

Community run at PLU Meadows Disc Golf Course offering a 1K kids run and a 5K. Proceeds support local youth running programs and a college scholarship.

A looped trail event at Carkeek Park in Seattle offering 12 hour and 6 hour options on a 1.93 mile loop with 436 feet of gain per loop. In person on October 24 with a virtual option October 1 to 31 and a 50 runner cap.

A costumed community event at Lincoln Park featuring a trail 5K, kids dashes, and a virtual shirt option to support South Seattle College Cooperative Preschools. Registration includes a Monster Dash shirt and the 5K includes a timed bib.