
Dexter, United States of America · Sunday 31 May 2026
A point-to-point half marathon along the beautiful Huron River, this race takes runners from Dexter to Ann Arbor, offering a scenic, rolling course with plenty of shade and natural beauty. The route follows Huron River Drive, a picturesque, tree-lined road that provides a mix of gentle hills and fast downhill sections, making it an ideal course for strong finishing times. The race is well-supported, with enthusiastic volunteers, local cheer squads, and well-placed aid stations. The finish line i
Adjusted Time
3:56:32
Time difference: -3.5 minutes compared to a flat, road, temperate course.
Dexter-Ann Arbor Run is a full marathon held in Dexter, United States of America, scheduled for Sunday 31 May 2026. The course is run on road surface with 186m of total elevation gain, reaching a maximum altitude of 272m above sea level. For registration and full race details, visit the official Dexter-Ann Arbor Run website.
With 186m of elevation gain, this is a moderately undulating course. The route ranges from 236m to 272m above sea level (36m total range). While not completely flat, the elevation changes are manageable for most runners and shouldn't significantly impact pacing strategy.
Based on historical weather data for May, the expected race day conditions are as follows. Near-ideal running temperatures are expected, ranging from 9°C to 14°C. This temperature range is widely considered optimal for marathon performance, allowing efficient heat dissipation without cold-related issues. There is a moderate chance of rain (27%). Runners may want to prepare for wet conditions but shouldn't expect persistent rainfall.
Dexter-Ann Arbor Run 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 Dexter-Ann Arbor Run 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 Dexter-Ann Arbor Run against other marathons to find the right race for your goals.
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