Kauai Marathon
Poipu, United States of America · Sunday 6 September 2026
Kauai Marathon, held on the \"Garden Island\" of Hawaii, is a breathtaking event that combines stunning natural beauty with a challenging course. The race starts in front of Poipu Shopping Village and finishes at the Sheraton Kauai Resort, offering breathtaking views of rolling hills and lush landscapes. The course includes a notable ascent of 3,000 feet, balanced by exhilarating downhill stretches leading to the coastal finish.
Difficulty Calculator
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:m
:s
Adjusted Time
4:42:17
Time difference: +42.3 minutes compared to a flat, road, temperate course.
Course Details
Elevation Gain621m
Elevation High250m
Elevation Low6m
Weather Forecast
High29°C
Low24°C
Chance of Rain0%
How hard is Kauai Marathon?
Very Difficultharder than 89% of marathons
Flattest / easiestHardest
On our difficulty model, Kauai Marathon plays about 37 minutes slower than an average road marathon for a 3:30 runner. It ranks #130 hardest of 1150 marathons we analyse, and #67 of 575 in United States of America. Use the calculator above to see the exact adjusted time for your own goal pace.
What will you run at Kauai Marathon?
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 Kauai Marathon | Difference |
|---|---|---|
| 3:00:00 | 3:22:44 | +22:44 |
| 3:30:00 | 4:02:03 | +32:03 |
| 4:00:00 | 4:42:17 | +42:17 |
| 4:30:00 | 5:23:23 | +53:23 |
| 5:00:00 | 6:05:18 | +1:05:18 |
| 5:30:00 | 6:47:59 | +1:17:59 |
| 6:00:00 | 7:31:23 | +1:31:23 |
Use the calculator above for your exact goal time. Want a prediction from your own training? Try the marathon time predictor.
Kauai Marathon 2026 Course Analysis
Kauai Marathon is a full marathon held in Poipu, United States of America. It is scheduled for Sunday 6 September 2026. The course is run on road surface with 621m of total climbing, with its high point near 250m above sea level. For registration and full race details, visit the official Kauai Marathon website.
Elevation Profile
This is a very challenging course with 621m of total climbing - well above the average road marathon - topping out around 250m above sea level. Hill training is essential, and you should expect a slower finish time than on a flat course.
Expected Race Day Weather
Based on historical weather data for September, the expected race day conditions are as follows. Hot conditions are expected, with temperatures between 24°C and 29°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 low chance of rain (0%), so dry conditions are likely.
Surface Type: Road
Kauai 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 Kauai Marathon against other marathons to find the right race for your goals.
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If Kauai Marathon fits your goal, these courses play out about the same on our difficulty model.
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