
North Bend, United States of America · Sunday 9 August 2026
North Bend sits in the heart of the Cascade Range foothills, a region defined by dense forests, clear mountain air, and the kind of Pacific Northwest scenery that makes you forget you're running hard. The town itself is small and quiet, the sort of place where the marathon probably feels like a genuine community event rather than a crowded spectacle. Being in this part of Washington means you're surrounded by trails and outdoor culture, so there's a real sense of running through terrain that locals actually care about and use year-round. August is a good window for it too, late enough that summer heat won't be punishing but early enough that the region's unpredictable weather hasn't fully turned. The course itself is the kind of route that rewards steady effort without crushing you on the terrain. The elevation profile shows flat to gently rolling sections with a total gain under 100 meters, which means you're not fighting a mountain but you're also not getting complacent. You'll start around 517 meters above sea level and peak at 786 meters, so the climbing is distributed rather than concentrated in one brutal section. Road running through the foothills means you'll likely get forest coverage for much of the race, which matters more than you'd think when you're chasing down mile 30. The relatively modest elevation range suggests the course designer had mercy on marathon runners, or at least understood that a fast time here won't come from fighting grade. Race day logistics should be straightforward in a smaller community like North Bend. You won't deal with the circus of a big city marathon, and that usually means better access to the start line, fewer crowds to navigate early on, and a race experience that feels more intimate. The road surface is consistent, which is what matters when you're covering 42 kilometers. Come in properly trained and with realistic expectations for your fitness level, and the Tunnel Vision Marathon
Adjusted Time
3:56:49
Time difference: -3.2 minutes compared to a flat, road, temperate course.
Tunnel Vision Marathon is a full marathon held in North Bend, United States of America, scheduled for Sunday 9 August 2026. The course is run on road surface with 81m of total elevation gain, reaching a maximum altitude of 786m above sea level.
This is a very flat course with only 81m of total elevation gain across the full distance. The course ranges from 517m to 786m above sea level — a 269m elevation range that makes it one of the flatter races available. Runners targeting a personal best will appreciate the minimal climbing.
Tunnel Vision Marathon is run on road surfaces, which provide the fastest and most predictable conditions for marathon running. Road courses allow for consistent pacing and are typically the best choice for runners targeting a personal best time.
Our difficulty rating for Tunnel Vision Marathon is calculated using a model that combines elevation gain, temperature impact, and surface type. Use the difficulty calculator above to enter your target finish time and see exactly how many minutes this course would add or subtract compared to a perfectly flat, cool, road-based marathon. Faster runners and slower runners are affected differently by the same course conditions, so the difficulty is personalised to your pace.
Looking for an easier marathon or a tougher challenge? You can also compare Tunnel Vision Marathon against other marathons to find the right race for your goals.
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