| Kevin Halliburton's efforts: | From | Age | Date | Finish Time |
|---|---|---|---|---|
| Laurel Highlands Ultra 2025 (70.5) | Texas, US | 54 | Saturday, June 14, 2025 | 19:34:03.00 |
| 2024 Twisted Branch Trail Run (100k) | Texas, US | 53 | Saturday, August 24, 2024 | 18:27:48.00 |
| Never Summer 100k (2023) | Texas, US | 52 | Saturday, July 29, 2023 | 23:30:52.00 |
| Staunton Rocks! Marathon & Half 2022 (Marathon) | Texas, US | 51 | Saturday, August 27, 2022 | 06:29:03.00 |
| Staunton Rocks! Marathon & Half (Marathon) | Texas, US | 50 | Saturday, August 28, 2021 | 07:32:18.00 |