West Seattle
Trail Running Calendar near West Seattle 2026-2027
Explore the top trail runs near West Seattle for 2026-2027! We've gathered 48 exciting trail runs in the area. Check out our detailed list below to find your next local trail run.
August 2026
Summer Spirit Run at Magnuson Park on August 29 offers 5k, 10k and 15k options plus a Kids Dash and an Obstacle Dash with eight obstacles.
September 2026
Multi day ultrarunning festival near Bonney Lake WA offering looped 3.2 mile laps, distances from 6 hour to 100 mile, centralized aid and on site camping.
Point-to-point marathon and half marathon on the Palouse to Cascades Trail with net downhill profiles, USATF certification, shuttle support and chip timing.
Timed trail event at McCormick Forest Park on September 12, 2026, with 24 hour, 12 hour day, 12 hour night and 6 hour options on a 2.25 mile loop.
A community 5K fun run, walk and hike through Illahee Preserve in Bremerton held in September for National Recovery Month. Proceeds support the Salish Recovery Coalition and participants receive event swag and a finisher medallion.
USATF certified marathon and half in North Bend WA on September 13 2026 with an alternate mostly downhill rail trail course and about 1,000 feet net elevation drop.
A timed stair-climb at T-Mobile Park where participants tackle either 900 or 1,800 stairs to raise funds for the Cystic Fibrosis Foundation. Climbers start in waves by self-identified pace and join an official after party.
Two days of Spartan obstacle racing near Monroe WA at Meadow Wood Equestrian Center with Sprint 5 km, Super 10 km, Beast 21 km, kids races, a 4 hour Hurricane Heat and spectator access.
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.
Trail run and walk at Discovery Park covering 2.8 miles with about 150 ft of elevation gain, meeting at the North Parking Lot and followed by Lucy's Bottle Shop.
October 2026
A two day trail running festival in North Bend WA with a steep Mt Si VK, a 30K mountain race with prize purse, a 10K, and a double challenge.
A last-one-standing backyard ultra where each completed loop adds $100 to a shared prize jar and the final payout is split 75% to the winner and 25% to the runner-up.
A mountain 30k in North Bend, Washington with over 6,500 feet of elevation gain, the Vert Running Series Championship, a $4,500 prize purse and a full festival weekend.
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.
30th Annual SpiritWalk & Warrior Run in Seattle offers a timed 5K and a free accessible 2K walk to raise funds for culturally attuned Native health services.