Detroit Marathon
Detroit, United States of America · Sunday 18 October 2026
Detroit Free Press Marathon is a unique international event held annually in October. The race features a full marathon, half marathon, marathon relay, 5K, and kids' fun run, making it accessible to runners of all levels. The course starts in downtown Detroit and takes participants across the U.S.-Canada border twice, passing over the Ambassador Bridge and through the Detroit-Windsor Tunnel.
Difficulty Calculator
h
:m
:s
Adjusted Time
4:04:59
Time difference: +5.0 minutes compared to a flat, road, temperate course.
Course Details
Elevation Gain118m
Elevation High225m
Elevation Low164m
Weather Forecast
High27°C
Low14°C
Chance of Rain58%
How hard is Detroit Marathon?
Difficultharder than 58% of marathons
Flattest / easiestHardest
On our difficulty model, Detroit Marathon plays about 8 minutes slower than an average road marathon for a 3:30 runner. It ranks #483 hardest of 1150 marathons we analyse, and #256 of 575 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 Detroit Marathon?
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 Detroit Marathon | Difference |
|---|---|---|
| 3:00:00 | 3:01:32 | +01:32 |
| 3:30:00 | 3:33:12 | +03:12 |
| 4:00:00 | 4:04:59 | +04:59 |
| 4:30:00 | 4:36:53 | +06:53 |
| 5:00:00 | 5:08:53 | +08:53 |
| 5:30:00 | 5:40:59 | +10:59 |
| 6:00:00 | 6:13:11 | +13:11 |
Use the calculator above for your exact goal time. Want a prediction from your own training? Try the marathon time predictor.
Detroit Marathon 2026 Course Analysis
Detroit Marathon is a full marathon held in Detroit, United States of America. It is scheduled for Sunday 18 October 2026. The course is run on road surface with 118m of total climbing, with its high point near 225m above sea level. For registration and full race details, visit the official Detroit Marathon website.
Elevation Profile
With 118m 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 October, the expected race day conditions are as follows. Moderate temperatures between 14°C and 27°C are expected. While comfortable for most runners, those targeting fast times should pay attention to hydration, as these temperatures can impact performance on race day. There is a high chance of rain (58%). Runners should prepare for wet conditions, including appropriate footwear and clothing choices.
Surface Type: Road
Detroit Marathon 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 Detroit Marathon against other marathons to find the right race for your goals.
Marathons of similar difficulty
If Detroit Marathon fits your goal, these courses play out about the same on our difficulty model.
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