| John Mccready's efforts: | From | Age | Date | Finish Time |
|---|---|---|---|---|
| 2022 Golden Gate Dirty 30 (50K) | Colorado, US | 49 | Friday, June 3, 2022 | Not yet started |
| 2021 Golden Gate Dirty 30 (50K) | Colorado, US | 48 | Saturday, June 12, 2021 | Not yet started |
| 2019 Golden Gate Dirty 30 (50K) | Colorado, US | 46 | Saturday, June 1, 2019 | 06:58:20.00 |
| 2018 Golden Gate Dirty 30 (50K) | 45 | Saturday, June 2, 2018 | 07:18:53.00 |