Grand Ridge Trail Run

Issaquah, United States • 8 Nov 2025

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). It is the finale of the Evergreen trail-running season and includes multiple race options:

  • 5 Mile
  • Half Marathon (loop measures closer to 14 miles)
  • Full Marathon
  • 50K
  • 5M Brunch Run
  • Kid’s Race (1.1 mile crushed gravel trail)

The marathon uses two laps of the half-marathon loop. The 50K consists of two half-marathon loops plus the 5-mile loop. Series awards are mailed the week after the race. Every finisher receives a piece of handmade finisher swag produced with solar power in Anacortes, Washington.

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 route includes rocky, technical switchbacks, a detour on Flowing Fir Trail, and two distinct loop courses. Trails remain open to other users during the event, including pedestrians and cyclists.

Aid stations are stocked with water, Tailwind, Clif products, PBJ sandwiches, fruit, cookies, crackers and pretzels. This is a cupless race; runners should carry a refillable container. Approximate elevation gain: 5 mile 1200 ft, half 2400 ft, full 4800 ft, 50K 6000 ft. Parking is available at the small lot at the trailhead, along SE 79th St, or at the I90 Church parking lot. Online registration closes the Friday before the race. Visit the organization's website for the most recent information.

Race information

50 km
50k
26 mi
Marathon
13 mi
Half Marathon
5 mi
5 Mile
5 mi
5m Brunch Run
Kid's Race
Visit the organization's website for the most recent information.
Trail runs nearby

Carkeek Cooler Trail Run The event takes place on Saturday, November 1, 2025, at Carkeek Park in Seattle, Washington. Distances offered: 5k 10k The run is part of the 2025-26 Winter Trail Series. Course and aid The course starts and finis..

Join the Ravenna Refresher Trail Run at Ravenna Park in Seattle on November 15, 2025 for 4k 8k or 12k on scenic forested loops through a ravine. Gentle climbs on a 4.1 km loop and a fun winter trail series vibe welcome all abilities.

Join the Celebrate Veterans 5K in Tacoma on Nov 16, 2025 to honor military service and those missing in action. Run the first official event on the new Orange Gate and Pipe Trail and enjoy a chip timed race with a patriotic headband and med..

Event overview The Redmond Reindeer Romp takes place on December 6, 2025, at Redmond Watershed Preserve in Redmond, WA. The event is part of the 2025-26 Winter Trail Series and offers the following distances: 5-mile Half marathon Online p..

Pigtails Run in Maple Valley on Dec 13, 2025 offers 50K, marathon and half on scenic mixed trail with gravel and crushed rock. This low cost Fat Ass event celebrates self sufficiency and welcomes finishers with pizza and medals.

Celebrate the solstice with the Seward Solstice Run at Seattle's Seward Park, choosing a 4.2 mile or 10k loop through old growth forest on Lake Washington. Enjoy twisty trail fun, an aid station, and a costume contest with prize entries.