Grand Ridge Trail Run
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Event overview
The Grand Ridge Trail Run takes place on November 8, 2025 at Grand Ridge Regional Park in Issaquah, Washington (27000 SE 79th St). The event offers multiple distances:
- 5 Mile
- Half Marathon (course closer to 14 miles)
- Full Marathon
- 50K
The race is the Evergreen Trail Runs series finale and series awards are mailed the week after the event. Packet pick-up is located at the Evergreen Trails tent in the start/finish area. Post-race food includes hot meatballs and vegan options.
Course and logistics
All distances start at the Highpoint Way Trailhead and follow the Issaquah-Preston Trail for 0.5 miles before climbing. The course uses two main loops: a 5-mile loop and a longer half-marathon-ish loop. Marathon runners complete two half loops; 50K runners complete two half loops plus one 5-mile loop. Trails include graded sections and rocky, technical switchbacks and will be open to other users, including pedestrians and cyclists. Aid stations are located at approximate mile points and are stocked with water, Tailwind, Clif product, PBJ sandwiches, fruit, cookies, crackers, and pretzels. This is a cupless race; participants should carry a refillable container. Elevation gain (approximate): 5 mile 1200 ft, Half 2400 ft, Full 4800 ft, 50K 6000 ft. Parking is available at the start lot, along SE 79th St, or at the I-90 Church lot. The kid’s race is a crushed-gravel 1.1 mile course with little elevation gain. Visit the organization's website for the most recent information.