| John Lorenzen's efforts: | From | Age | Date | Finish Time |
|---|---|---|---|---|
| 2024 Sawatch Ascent 50k | Colorado, US | 35 | Sunday, September 29, 2024 | 05:51:50.00 |
| 2022 Sawatch Ascent 50k | Colorado, US | 33 | Sunday, September 25, 2022 | 07:26:09.00 |
| 2022 West Line Winder 50k | Colorado, US | 33 | Saturday, September 24, 2022 | 04:48:43.00 |