Deadwood Mickelson Trail Marathon

Deadwood Mickelson Trail Marathon 2026 Course Analysis

Deadwood Mickelson Trail Marathon is a full marathon held in Deadwood, United States of America, scheduled for Sunday 7 June 2026. The course is run on trail surface with 353m of total elevation gain, reaching a maximum altitude of 1897m above sea level. For registration and full race details, visit the official Deadwood Mickelson Trail Marathon website.

Elevation Profile

This is a hilly course with 353m of total elevation gain. The route climbs from 1385m to as high as 1897m above sea level — a substantial 512m elevation range. Runners should train on hills and plan for a more conservative pacing strategy, especially on the climbs.

Expected Race Day Weather

Based on historical weather data for June, the expected race day conditions are as follows. Moderate temperatures between 11°C and 23°C are expected. While comfortable for most runners, those targeting fast times should pay attention to hydration, as these temperatures can impact performance over the full distance. There is a low chance of rain (0%), so dry conditions are likely.

Surface Type: Trail

Deadwood Mickelson Trail Marathon is a trail race, meaning the course includes unpaved surfaces such as dirt, gravel, or forest paths. Trail surfaces are inherently slower than road courses due to uneven footing, technical sections, and often steeper gradients. Trail-specific shoes with good grip are recommended, and runners should expect a finish time 10-20% slower than their equivalent road marathon time.

How Difficult Is Deadwood Mickelson Trail Marathon?

Our difficulty rating for Deadwood Mickelson Trail 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 Deadwood Mickelson Trail Marathon against other marathons to find the right race for your goals.