Grand Ridge Trail Run

NOV
7
2026
Final race of the Evergreen season at Grand Ridge Park, offering trail distances from 5 miles to 50K on looped forest courses.
Sat 7 Nov 2026
50 kilometers 26 miles 13 miles 5 miles

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Grand Ridge Trail Run

Grand Ridge is the final race of the Evergreen trail-running season, held at Grand Ridge Park in Issaquah, Washington. The event offers multiple course distances with stated elevation gains: 5 Mile (1200 ft), Half Marathon (2200 ft), Marathon (4400 ft), and 50K (5600 ft), plus a kids race.

The courses start at the Highpoint Way Trailhead and follow the Issaquah-Preston Trail for 0.5 miles before a sustained climb. Rocky, technical switchbacks lead into rolling forest loops; the longer loop used for the half is closer to 14 miles. Marathon runners complete two half loops. 50K runners complete two half loops and the 5-mile loop. Trails are shared with hikers and cyclists during the event.

Grand Ridge Park trails were developed by the Washington Trails Association beginning in 2000 and run through the Cascade foothills' forests. The kids course is on a crushed gravel trail about 1.1 miles long. Aid stations are placed at approximate mile markers for each distance and provide food and hydration; the event serves GU Energy products and Tailwind electrolytes on course. To reduce waste the event is cupless and requires runners to carry a refillable container.

The race is rated Intermediate. Finishers receive handmade finisher swag, and the event includes a non-binary registration and awards option. Visit the organization's website for the most recent information.

50 km
50k
26 mi
Full Marathon
13 mi
Half Marathon
5 mi
5 Mile

Events nearby

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.
A 20th annual trail fundraiser at Carkeek Park offering 6 and 12 hour loop races on a 1.93 mile course with steep stairs and Puget Sound views.
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.
Beginner-friendly 2.8 mile group trail run at King County's Cougar Mountain with Teva demo shoes, post-run refreshments, and a chance to win Trailpeak shoes.
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