| David Wiskowski's efforts: | From | Age | Date | Finish Time |
|---|---|---|---|---|
| 2023 Twisted Branch Trail Run (2023 Twisted Branch Trail Run) | Pennsylvania, US | 46 | Saturday, August 19, 2023 | DNF |
| 2021 Silverton Ultra Dirty (100K) | California, US | 44 | Saturday, August 7, 2021 | Not yet started |
| 2017 Silverton Double Dirty 30 (100K) | California, US | 40 | Saturday, September 23, 2017 | 17:39:53.00 |
| 2016 Silverton Double Dirty 30 | Illinois, US | 39 | Saturday, September 24, 2016 | 17:37:00.00 |
| The Bear 100 2016 | Illinois, US | 39 | Friday, September 23, 2016 | Not yet started |