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Trail Running Calendar near Monroe 2026-2027

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Explore the top trail runs near Monroe for 2026-2027! We've gathered 38 exciting trail runs in the area. Check out our detailed list below to find your next local trail run.

September 2026
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 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.
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 fall cross country meet at Lower Woodland Park with a women's 6K, men's 8K and a community 2K, open to teams and individual entrants.
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.
Experience the 17th annual Spooky 10K Trail Race in historic Port Gamble featuring a costume contest and a scenic route through single track trails and dirt roads.
Trail races at Cougar Mountain Regional Wildland Park near Seattle offering 5k, 7.6 mile, 19.5 mile and 50k courses through forested single track, rolling hills and marshes. Proceeds support King County Parks.
November 2026
Trail races at Squak Mountain in Issaquah offering 7, 14 and 21 mile courses with aid stations, a long-sleeve race shirt and a finisher medal.
Final race of the Evergreen season at Grand Ridge Park offering 5 Mile, Half, Full and 50K on forested looped courses with notable elevation and cupless aid stations.
Trail running at Carkeek Park in Seattle with 5k and 10k forest courses featuring varied trail widths and rolling to steep sections. The 10k is two laps of the 5k and includes substantial climb.
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