
Kiawah Island, United States of America · Sunday 13 December 2026
The Kiawah Island Marathon takes place on a scenic barrier island off the coast of South Carolina, providing a beautiful and serene backdrop for runners. Known for its stunning coastal views, oak-lined streets, and wildlife sightings, this marathon is as much a visual feast as it is a physical challenge. The course takes participants through the island’s picturesque roads, including the renowned Kiawah Island Beach, offering views of the Atlantic Ocean along the way.
Adjusted Time
1:43:03
Time difference: -1.9 minutes compared to a flat, road, temperate course.
On our difficulty model, Kiawah Island Half Marathon plays about even with an average road half marathon for a 1:30 runner. It ranks #368 hardest of 450 half marathons we analyse, and #124 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 Kiawah Island Half Marathon | Difference |
|---|---|---|
| 1:30:00 | 1:28:03 | −01:57 |
| 1:45:00 | 1:43:03 | −01:57 |
| 2:00:00 | 1:58:04 | −01:56 |
| 2:15:00 | 2:13:04 | −01:56 |
| 2:30:00 | 2:28:04 | −01:56 |
| 2:45:00 | 2:43:03 | −01:57 |
| 3:00:00 | 2:58:03 | −01:57 |
Use the calculator above for your exact goal time. Want a prediction from your own training? Try the marathon time predictor.
Kiawah Island Half Marathon is a half marathon held in Kiawah Island, United States of America. It is scheduled for Sunday 13 December 2026. The course is run on road surface with 70m of total climbing, with its high point near 4m above sea level. For registration and full race details, visit the official Kiawah Island Half Marathon website.
This is a very flat course, with only 70m 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 December, the expected race day conditions are as follows. Near-ideal running temperatures are expected, ranging from 8°C to 20°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 (2%), so dry conditions are likely.
Kiawah Island 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 Kiawah Island Half Marathon against other half marathons to find the right race for your goals.
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