
Boise, United States of America · Sunday 16 May 2027
The Famous Idaho Potato Marathon, held on May 18, 2024, in Boise, Idaho, is a popular event known for its scenic and fast course. The race starts at Albertson’s Stadium on the Boise State University campus and features a point-to-point route along the Boise River. The full marathon includes a downhill section followed by a flat out-and-back loop, making it ideal for achieving personal bests.
Adjusted Time
3:54:01
Time difference: -6.0 minutes compared to a flat, road, temperate course.
On our difficulty model, Famous Idaho Potato Marathon plays about 1 minute faster than an average road marathon for a 3:30 runner. It ranks #995 hardest of 1150 marathons we analyse, and #467 of 575 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 marathon, based on its elevation, surface, and expected race-day temperature.
| Average-course time | On Famous Idaho Potato Marathon | Difference |
|---|---|---|
| 3:00:00 | 2:54:34 | −05:26 |
| 3:30:00 | 3:24:18 | −05:42 |
| 4:00:00 | 3:54:01 | −05:59 |
| 4:30:00 | 4:23:41 | −06:19 |
| 5:00:00 | 4:53:20 | −06:40 |
| 5:30:00 | 5:22:56 | −07:04 |
| 6:00:00 | 5:52:32 | −07:28 |
Use the calculator above for your exact goal time. Want a prediction from your own training? Try the marathon time predictor.
Famous Idaho Potato Marathon is a full marathon held in Boise, United States of America. It is scheduled for Sunday 16 May 2027. The course is run on road surface with 91m of total climbing, with its high point near 838m above sea level. For registration and full race details, visit the official Famous Idaho Potato Marathon website.
This is a very flat course, with only 91m 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 May, the expected race day conditions are as follows. Near-ideal running temperatures are expected, ranging from 7°C to 15°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 (3%), so dry conditions are likely.
Famous Idaho Potato 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 Famous Idaho Potato Marathon against other marathons to find the right race for your goals.
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