
Boise, United States of America · Saturday 17 April 2027
Nestled in the Boise Front of Idaho is the unique and world-class \"Race to Robie Creek\" Half Marathon. As one of the world's most challenging excursions, it is much more than a test to your athletic abilities. This is where you will connect with the rugged American West. The stunning backdrops help the competition come alive! Many refer to this experience as one of their favorite and most memorable of all time.
Adjusted Time
4:24:51
Time difference: +24.9 minutes compared to a flat, road, temperate course.
On our difficulty model, Race to Robie Creek plays about 23 minutes slower than an average road marathon for a 3:30 runner. It ranks #237 hardest of 1150 marathons we analyse, and #131 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 Race to Robie Creek | Difference |
|---|---|---|
| 3:00:00 | 3:11:17 | +11:17 |
| 3:30:00 | 3:47:42 | +17:42 |
| 4:00:00 | 4:24:51 | +24:51 |
| 4:30:00 | 5:02:41 | +32:41 |
| 5:00:00 | 5:41:09 | +41:09 |
| 5:30:00 | 6:20:12 | +50:12 |
| 6:00:00 | 6:59:49 | +59:49 |
Use the calculator above for your exact goal time. Want a prediction from your own training? Try the marathon time predictor.
Race to Robie Creek is a full marathon held in Boise, United States of America. It is scheduled for Saturday 17 April 2027. The course is run on road surface with 651m of total climbing, with its high point near 1458m above sea level. For registration and full race details, visit the official Race to Robie Creek website.
This is a very challenging course with 651m of total climbing - well above the average road marathon - topping out around 1458m above sea level. Hill training is essential, and you should expect a slower finish time than on a flat course.
Based on historical weather data for April, the expected race day conditions are as follows. Near-ideal running temperatures are expected, ranging from 7°C to 19°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 (4%), so dry conditions are likely.
Race to Robie Creek 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 Race to Robie Creek against other marathons to find the right race for your goals.
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