Grand Ridge Trail Run

Grand Ridge : Issaquah, WA (November 7, 2026)

Grand Ridge is the final race of the Evergreen Trail Runs season at Grand Ridge Park in the Cascade foothills near Issaquah, Washington. The event offers multiple distance options and a kids race on a crushed-gravel course of about 1.1 miles with little elevation gain. The park features a system of connected trails maintained with the help of the Washington Trails Association and passes through forested terrain with fields of ferns and mossy trees.

• 5 Mile
• Half Marathon (about 14 miles)
• Full Marathon
• 50K
• Kids Race (1.1 miles)

Course and logistics

All distances start at the Highpoint Way Trailhead and follow the Issaquah-Preston Trail for 0.5 miles before a climb on rocky, technical switchbacks to the 5-mile junction. The course is made of two main loops: a 5-mile loop and a half-marathon loop. Marathon runners complete two half-marathon loops; 50K runners complete two half-marathon loops plus the 5-mile loop. The half loop includes a detour onto the Flowing Fir Trail and passes the Duthie aid station.

Elevation gain (approximate): 5 mile 1,200 ft; half 2,400 ft; full 4,800 ft; 50K 6,000 ft. Aid stations are stocked with water, Tailwind, Clif products, PBJ, fruit, cookies, crackers, and pretzels. This is a cupless race; participants must carry a refillable container. Trails will be open to other users, including pedestrians and cyclists. The start/finish area and parking are at the Grand Ridge trailhead (27000 SE 79th St, Issaquah, WA). Finisher swag is a handmade item produced using solar power. Visit the organization's website for the most recent information.