
Issaquah, United States of America · Saturday 7 November 2026
Issaquah, located in the Pacific Northwest near Seattle, sits in a region known for its evergreen forests, misty mornings, and mild autumn weather. The town itself offers a classic Pacific Northwest setting where runners can expect cool temperatures in November and the possibility of light rain. The surrounding landscape combines suburban neighborhoods with proximity to natural areas, making it a practical base for a road marathon that takes advantage of the region's accessible terrain. The Grand Ridge Trail Marathon follows a flat to gently rolling course that presents no significant elevation challenges, making it an ideal choice for runners targeting a fast time or those building their marathon fitness. On a road surface, the course avoids the technical footing of true trail running while still offering an engaging route through the area. Runners should expect steady, rhythmic miles without major climbs to disrupt their pace, though the gentle rolling sections will still demand consistent effort. November conditions in this part of Washington mean layering is smart, and being prepared for wet roads is wise, but the lack of dramatic elevation gain means you can focus on maintaining your rhythm rather than managing steep terrain.
Adjusted Time
4:29:46
Time difference: +29.8 minutes compared to a flat, road, temperate course.
We don't yet have verified elevation data for this course, so we can't rate its difficulty against other marathons. Our data pipeline backfills course elevation continuously - check back soon.
Grand Ridge Trail Marathon (November) is a full marathon held in Issaquah, United States of America. It is scheduled for Saturday 7 November 2026. The course is run on trail surface with 0m of total climbing, with its high point near 0m above sea level.
This is a very flat course, with only 0m of total climbing and little change in altitude throughout. Flat profiles let you hold an even pace from start to finish, which makes this a fast, PB-friendly race.
Grand Ridge Trail Marathon (November) is a trail race, meaning the course includes unpaved surfaces such as dirt, gravel, or forest paths. Trail surfaces are usually slower than the road equivalent - often by 10-20% - because of uneven footing, technical sections, and frequently steeper gradients, though a smooth, non-technical or downhill trail can run faster than that suggests. Trail-specific shoes with good grip are recommended.
Looking for an easier marathon or a tougher challenge? You can also compare Grand Ridge Trail Marathon (November) against other marathons to find the right race for your goals.
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