Grand Ridge Trail Run

Event overview

The Grand Ridge Trail Run is scheduled for November 8, 2025, at Grand Ridge Regional Park near Issaquah, Washington (27000 SE 79th St). The event is presented by Arc’teryx Seattle and is the final race in the Evergreen Trail Runs season. Distances offered include:

• 5 Mile
• Half-marathon (course closer to 14 miles than 13)
• Full marathon (two half-marathon loops)
• 50K (two half-marathon loops plus one 5-mile loop)
• 5M Brunch Run
• Kid’s Race (crushed gravel, 1.1 miles, little elevation gain)

Every finisher receives a handmade finisher item. Post-race food includes hot meatballs and vegan options. The race acknowledges the Indigenous Land of the Coast Salish peoples, specifically the Snoqualmie Indian Tribe.

Course and logistics

All distances start at the Highpoint Way Trailhead and follow the Issaquah-Preston Trail for 0.5 miles before a climb. The course uses two distinct loops: a 5-mile loop and a longer half-marathon-ish loop. Rocky, technical switchbacks lead to the 5-mile junction; the half loop includes a detour to Flowing Fir Trail and reaches the Duthie aid station. Trails will remain open to other users, including pedestrians and cyclists.

Aid stations are listed at approximate mile points and are stocked with water, Tailwind, Clif product, PBJ sandwiches, fruit, cookies, crackers, and pretzels. The event is cupless; participants should carry a refillable container. Elevation gain is listed as: 5 mile 1200 ft, half 2400 ft, full 4800 ft, 50K 6000 ft. Visit the organization's website for the most recent information.

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