
Shenandoah, United States of America · Sunday 13 June 2027
Runners on this marathon course follow an out-and-back route that begins and ends in downtown Shenandoah, Iowa and covers a significant stretch of the Wabash Trace Nature Trail a converted rail corridor that spans much of southwestern Iowa. The surface is predominantly crushed limestone, which is firm but not as hard as pavement, and minimizes sharp turns or technical terrain.
Adjusted Time
4:50:30
Time difference: +50.5 minutes compared to a flat, road, temperate course.
On our difficulty model, Wabash Trace Nature Trail Marathon plays about 49 minutes slower than an average road marathon for a 3:30 runner. It ranks #59 hardest of 1150 marathons we analyse, and #17 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 Wabash Trace Nature Trail Marathon | Difference |
|---|---|---|
| 3:00:00 | 3:38:02 | +38:02 |
| 3:30:00 | 4:14:17 | +44:17 |
| 4:00:00 | 4:50:30 | +50:30 |
| 4:30:00 | 5:26:43 | +56:43 |
| 5:00:00 | 6:03:00 | +1:03:00 |
| 5:30:00 | 6:39:21 | +1:09:21 |
| 6:00:00 | 7:15:49 | +1:15:49 |
Use the calculator above for your exact goal time. Want a prediction from your own training? Try the marathon time predictor.
Wabash Trace Nature Trail Marathon is a full marathon held in Shenandoah, United States of America. It is scheduled for Sunday 13 June 2027. The course is run on trail surface with 203m of total climbing, with its high point near 352m above sea level. For registration and full race details, visit the official Wabash Trace Nature Trail Marathon website.
With 203m 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 June, the expected race day conditions are as follows. Hot conditions are expected, with temperatures between 18°C and 28°C. Heat is one of the biggest performance factors in distance running - for every degree above 15°C, finish times can slow by roughly 1-2%. Extra hydration and a conservative start are strongly recommended. There is a high chance of rain (50%). Runners should prepare for wet conditions, including appropriate footwear and clothing choices.
Wabash Trace Nature Trail Marathon is a trail race, meaning the course includes unpaved surfaces such as dirt, gravel, or forest paths. Trail surfaces are usually slower than the road equivalent - often by 10-20% - because of uneven footing, technical sections, and frequently steeper gradients, though a smooth, non-technical or downhill trail can run faster than that suggests. Trail-specific shoes with good grip are recommended.
Looking for an easier marathon or a tougher challenge? You can also compare Wabash Trace Nature Trail Marathon against other marathons to find the right race for your goals.
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