| John Kolh's efforts: | From | Age | Date | Finish Time |
|---|---|---|---|---|
| 2025 Twisted Branch Trail Run | New York, US | 47 | Saturday, August 16, 2025 | DNF |
| 2024 Twisted Branch Trail Run (100k) | New York, US | 46 | Saturday, August 24, 2024 | 19:20:07.00 |
| 2023 Twisted Branch Trail Run (2023 Twisted Branch Trail Run) | New York, US | 45 | Saturday, August 19, 2023 | 16:27:37.98 |
| 2022 Twisted Branch Trail Run | New York, US | 44 | Saturday, August 20, 2022 | 18:30:05.00 |