
Schroon Lake, United States of America · Sunday 27 September 2026
Adirondack Marathon is a picturesque event held annually in Schroon Lake, New York. The race features a 26.2-mile course around the lake, known for its stunning natural beauty. The event motto, \"The most beautiful 26 miles 385 yards you will ever run,\" reflects its breathtaking scenery. This marathon is ideal for runners who appreciate scenic routes and a more intimate racing experience.
Adjusted Time
3:54:36
Time difference: -5.4 minutes compared to a flat, road, temperate course.
On our difficulty model, Adirondack Marathon plays about even with an average road marathon for a 3:30 runner. It ranks #947 hardest of 1150 marathons we analyse, and #448 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 Adirondack Marathon | Difference |
|---|---|---|
| 3:00:00 | 2:55:31 | −04:29 |
| 3:30:00 | 3:25:06 | −04:54 |
| 4:00:00 | 3:54:36 | −05:24 |
| 4:30:00 | 4:24:02 | −05:58 |
| 5:00:00 | 4:53:22 | −06:38 |
| 5:30:00 | 5:22:39 | −07:21 |
| 6:00:00 | 5:51:51 | −08:09 |
Use the calculator above for your exact goal time. Want a prediction from your own training? Try the marathon time predictor.
Adirondack Marathon is a full marathon held in Schroon Lake, United States of America. It is scheduled for Sunday 27 September 2026. The course is run on road surface with 0m of total climbing, with its high point near 338m above sea level. For registration and full race details, visit the official Adirondack Marathon website.
This is a very flat course, with only 0m 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 September, the expected race day conditions are as follows. Moderate temperatures between 13°C and 21°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 low chance of rain (6%), so dry conditions are likely.
Adirondack 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 Adirondack Marathon against other marathons to find the right race for your goals.
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