
Schroon Lake, United States of America · Sunday 27 September 2026
The Adirondack Half Marathon offers runners the chance to explore one of New York State’s most beautiful regions: the Adirondack Mountains. The race begins in Lake George, a picturesque village set on the shores of the lake with views of the surrounding mountains. Runners will enjoy a challenging, hilly course that weaves through dense forests, along mountain trails, and past rolling farmlands.
Adjusted Time
1:48:26
Time difference: +3.4 minutes compared to a flat, road, temperate course.
On our difficulty model, Adirondack Half Marathon plays about 4 minutes slower than an average road half marathon for a 1:30 runner. It ranks #174 hardest of 450 half marathons we analyse, and #56 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 Adirondack Half Marathon | Difference |
|---|---|---|
| 1:30:00 | 1:32:18 | +02:18 |
| 1:45:00 | 1:48:26 | +03:26 |
| 2:00:00 | 2:04:39 | +04:39 |
| 2:15:00 | 2:20:58 | +05:58 |
| 2:30:00 | 2:37:21 | +07:21 |
| 2:45:00 | 2:53:48 | +08:48 |
| 3:00:00 | 3:10:20 | +10:20 |
Use the calculator above for your exact goal time. Want a prediction from your own training? Try the marathon time predictor.
Adirondack Half Marathon is a half 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 170m of total climbing, with its high point near 285m above sea level. For registration and full race details, visit the official Adirondack Half Marathon website.
With 170m of total climbing, this is a gently undulating course. The elevation changes are manageable for most runners and shouldn't greatly affect your pacing.
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 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 Adirondack Half Marathon against other half marathons to find the right race for your goals.
If Adirondack Half Marathon fits your goal, these courses play out about the same on our difficulty model.
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