
Williston, United States of America · Saturday 6 June 2026
Williston offers runners a chance to race through the heart of North Dakota's plains country. The landscape here is characteristically open and expansive, with wide horizons and the kind of straightforward terrain that defines the Upper Midwest. June weather in Williston can be warm and variable, so runners should prepare for anything from bright sunshine to afternoon storms. The town itself provides the typical small-city infrastructure, making logistics straightforward for those traveling to compete. The course is refreshingly honest: flat to gently rolling terrain with virtually no elevation to worry about. This is a race where pacing strategy matters more than hill management, and where the wind becomes your primary concern rather than climbing. Runners will find themselves on road surfaces for the full 42.2 kilometers, with the kind of steady, predictable conditions that allow you to focus on maintaining your target effort. There's little drama here, which is precisely the point. This is a course for chasing time rather than fighting the terrain, and for runners who appreciate straightforward running without major obstacles.
Adjusted Time
4:06:59
Time difference: +7.0 minutes compared to a flat, road, temperate course.
Williston Marathon is a full marathon held in Williston, United States of America, scheduled for Saturday 6 June 2026. The course is run on road surface with 0m of total elevation gain, reaching a maximum altitude of 0m above sea level.
This is a very flat course with only 0m of total elevation gain across the full distance. The course ranges from 0m to 0m above sea level — a 0m elevation range that makes it one of the flatter races available. Runners targeting a personal best will appreciate the minimal climbing.
Based on historical weather data for June, the expected race day conditions are as follows. Hot conditions are expected, with temperatures between 17°C and 33°C. Heat is one of the biggest performance factors in marathon running — research shows that for every degree above 15°C, marathon times slow by approximately 1-2%. Extra hydration and a conservative start are strongly recommended. There is a high chance of rain (61%). Runners should prepare for wet conditions, including appropriate footwear and clothing choices.
Williston 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 Williston 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 Williston Marathon against other marathons to find the right race for your goals.
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