| Ronald Harling's efforts: | From | Age | Date | Finish Time |
|---|---|---|---|---|
| Twisted Branch Trail Run 2018 | New York, US | 51 | Saturday, August 18, 2018 | 17:05:06.00 |
| Twisted Branch Trail Run 2016 | 49 | Saturday, August 20, 2016 | DNF | |
| Twisted Branch Trail Run 2015 | 48 | Saturday, August 29, 2015 | Not yet started |