Dexter-Ann Arbor Run
Dexter, United States of America · Monday 31 May 2027
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.
Difficulty Calculator
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:m
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Adjusted Time
4:16:47
Time difference: +16.8 minutes compared to a flat, road, temperate course.
Course Details
Elevation Gain186m
Elevation High272m
Elevation Low236m
Weather Forecast
High30°C
Low20°C
Chance of Rain22%
How hard is Dexter-Ann Arbor Run?
Very Difficultharder than 74% of marathons
Flattest / easiestHardest
On our difficulty model, Dexter-Ann Arbor Run plays about 18 minutes slower than an average road marathon for a 3:30 runner. It ranks #302 hardest of 1151 marathons we analyse, and #171 of 576 in United States of America. Use the calculator above to see the exact adjusted time for your own goal pace.
What will you run at Dexter-Ann Arbor Run?
Estimated finish times on this course versus the same effort on an average road marathon, based on its elevation, surface, and expected race-day temperature.
| Average-course time | On Dexter-Ann Arbor Run | Difference |
|---|---|---|
| 3:00:00 | 3:08:47 | +08:47 |
| 3:30:00 | 3:42:37 | +12:37 |
| 4:00:00 | 4:16:47 | +16:47 |
| 4:30:00 | 4:51:14 | +21:14 |
| 5:00:00 | 5:25:57 | +25:57 |
| 5:30:00 | 6:00:57 | +30:57 |
| 6:00:00 | 6:36:11 | +36:11 |
Use the calculator above for your exact goal time. Want a prediction from your own training? Try the marathon time predictor.
Dexter-Ann Arbor Run 2027 Course Analysis
Dexter-Ann Arbor Run is a full marathon held in Dexter, United States of America. It is scheduled for Monday 31 May 2027. The course is run on road surface with 186m of total climbing, with its high point near 272m above sea level. For registration and full race details, visit the official Dexter-Ann Arbor Run website.
Elevation Profile
With 186m of total climbing, this is a gently undulating course. The elevation changes are manageable for most runners and shouldn't greatly affect your pacing.
Expected Race Day Weather
Based on historical weather data for May, the expected race day conditions are as follows. Hot conditions are expected, with temperatures between 20°C and 30°C. Heat is one of the biggest performance factors in distance running - for every degree above 15°C, finish times can slow by roughly 1-2%. Extra hydration and a conservative start are strongly recommended. There is a moderate chance of rain (22%). Runners may want to prepare for wet conditions but shouldn't expect persistent rainfall.
Surface Type: Road
Dexter-Ann Arbor Run is run on road surfaces, which provide the fastest and most predictable conditions for racing. Road courses allow for consistent pacing and are typically the best choice for a personal best.
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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If Dexter-Ann Arbor Run fits your goal, these courses play out about the same on our difficulty model.
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