| Ken Peralez's efforts: | From | Age | Date | Finish Time |
|---|---|---|---|---|
| Staunton Rocks! Marathon & Half 2023 (Marathon) | Colorado, US | 55 | Saturday, August 26, 2023 | 06:11:42.00 |
| Staunton Rocks! Marathon & Half (Marathon) | Colorado, US | 53 | Saturday, August 28, 2021 | 06:43:21.00 |
| Blue Sky Marathon 2020 (Blue Sky) | Colorado, US | 53 | Saturday, November 14, 2020 | 07:56:43.00 |