Bellevue
Trail Running Calendar near Bellevue 2026-2027
Explore the top trail runs near Bellevue for 2026-2027! We've gathered 52 exciting trail runs in the area. Check out our detailed list below to find your next local trail run.
September 2026
Tunnel Light Marathon and Half on September 13, 2026 in Snoqualmie Pass features USATF certified marathon and a net 1,000 foot downhill course.
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.
A two-day Spartan obstacle race in Monroe, Washington featuring Sprint, Super, Beast, kids races, a 4 hour heat, and spectator options.
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 community trail run and walk for queer women, trans and non-binary participants at Discovery Park with post-event refreshments and donation based ticketing.
A community celebration at Osprey Park with a scenic 5K trail run and a 1 mile Fin Walk along the Sultan River, highlighting Skykomish River Valley heritage.
October 2026
Experience a mountain running festival in the Cascades featuring a vertical kilometer, a technical 10k, and a 30k skyline race through the rugged trails of North Bend.
A community Half Marathon and 5K at Lake Wilderness Park with chip timing, medals, gravel trails, and proceeds benefiting The More We Love.
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.
A backyard ultra in downtown Tacoma with a 3.3 mile loop repeated hourly for up to 15 hours, totaling 45.5 miles for full completion.
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 5K and 1K kids event at PLU Meadows with on site registration options and proceeds supporting local youth running needs.
A community event at Daybreak Star offering a chip-timed 5K trail run and a free 1.25 mile SpiritWalk to support culturally attuned care for Native people.
A 5k in Ravenna Park where participants run or walk wooded trails while watching for Bigfoot sightings, with in person, virtual and free kids options.
Experience a flat loop course through Osprey Park in Sultan with options for a marathon or timed runs of three and six hours along the Sultan River.
A Last Person Standing hill loop in Lord Hill Regional Park with a 0.8 mile loop, shrinking lap times, medieval theme, custom banners and prizes for the final finisher.
An annual October trail event at Carkeek Park offering 12-hour and 6-hour timed loop races on a 1.93 mile course with 436 feet gain per loop, plus a virtual option.
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.
An evening team relay in Ten Trails where teams of one to three hunt and return six hidden ghosts in Civic Park; free registration, prizes for fast finish, best team name, and best costume.