| Jonathan Tanner's efforts: | From | Age | Date | Finish Time |
|---|---|---|---|---|
| Staunton Rocks! Marathon & Half 2022 (Marathon) | Colorado, US | 35 | Saturday, August 27, 2022 | 04:53:48.00 |
| Never Summer (2021) (100k) | Colorado, US | 34 | Saturday, July 31, 2021 | 14:53:21.00 |
| Quad Rock 2021 (Quad Rock 50) | Colorado, US | 33 | Saturday, May 8, 2021 | 11:32:10.00 |
| Blue Sky Marathon 2020 (Blue Sky) | Colorado, US | 33 | Saturday, November 14, 2020 | 04:14:16.00 |
| Quad Rock 2020 (Quad Rock 50) | Colorado, US | 33 | Saturday, August 15, 2020 | 11:01:47.00 |
| Blue Sky Trail Marathon (2018) (Blue Sky) | Nebraska, US | 31 | Saturday, October 20, 2018 | 04:29:13.00 |