
Ann Arbor, United States of America · Sunday 4 October 2026
The Ann Arbor Half Marathon is set in the college town of Ann Arbor, Michigan. The course weaves through the University of Michigan campus, scenic parks, and tree-lined streets, offering runners a mix of urban and suburban landscapes. The race features mostly flat terrain, with a few gentle rises along the way. After the race, participants can explore Kerrytown, the University of Michigan Museum of Art, or grab a bite at one of the city’s popular farm-to-table restaurants.
Adjusted Time
1:42:16
Time difference: -2.7 minutes compared to a flat, road, temperate course.
On our difficulty model, Ann Arbor Half Marathon plays about 1 minute faster than an average road half marathon for a 1:30 runner. It ranks #400 hardest of 450 half marathons we analyse, and #135 of 145 in United States of America. Use the calculator above to see the exact adjusted time for your own goal pace.
Estimated finish times on this course versus the same effort on an average road half marathon, based on its elevation, surface, and expected race-day temperature.
| Average-course time | On Ann Arbor Half Marathon | Difference |
|---|---|---|
| 1:30:00 | 1:27:26 | −02:34 |
| 1:45:00 | 1:42:16 | −02:44 |
| 2:00:00 | 1:57:05 | −02:55 |
| 2:15:00 | 2:11:54 | −03:06 |
| 2:30:00 | 2:26:41 | −03:19 |
| 2:45:00 | 2:41:28 | −03:32 |
| 3:00:00 | 2:56:14 | −03:46 |
Use the calculator above for your exact goal time. Want a prediction from your own training? Try the marathon time predictor.
Ann Arbor Half Marathon is a half marathon held in Ann Arbor, United States of America. It is scheduled for Sunday 4 October 2026. The course is run on road surface with 59m of total climbing, with its high point near 286m above sea level. For registration and full race details, visit the official Ann Arbor Half Marathon website.
This is a very flat course, with only 59m of total climbing and little change in altitude throughout. Flat profiles let you hold an even pace from start to finish, which makes this a fast, PB-friendly race.
Based on historical weather data for October, the expected race day conditions are as follows. Near-ideal running temperatures are expected, ranging from 5°C to 20°C. This temperature range is widely considered optimal for marathon performance, allowing efficient heat dissipation without cold-related issues. There is a low chance of rain (0%), so dry conditions are likely.
Ann Arbor Half 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 Ann Arbor Half Marathon against other half marathons to find the right race for your goals.
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