| Kirk Smith's efforts: | From | Age | Date | Finish Time |
|---|---|---|---|---|
| 2024 Twisted Branch Trail Run (100k) | New York, US | 44 | Saturday, August 24, 2024 | 19:22:11.00 |
| 2021 Twisted Branch Trail Run | New York, US | 41 | Saturday, August 21, 2021 | 17:14:37.00 |
| Twisted Branch Trail Run 2017 | New York, US | 37 | Saturday, August 19, 2017 | 15:33:16.00 |