| Peter Sanders's efforts: | From | Age | Date | Finish Time |
|---|---|---|---|---|
| Staunton Rocks! Marathon & Half 2025 (Marathon) | Colorado, US | 55 | Saturday, August 23, 2025 | 06:15:59.00 |
| Blue Sky Marathon & Half 2023 (Trail Marathon) | Colorado, US | 53 | Saturday, October 21, 2023 | 05:14:58.00 |
| Blue Sky Marathon 2021 (Blue Sky) | Colorado, US | 51 | Saturday, October 16, 2021 | Not yet started |
| 2008 Rattlesnake Ramble (Full Course) | 38 | Sunday, September 21, 2008 | 00:42:48.00 |