| Jack Butler's efforts: | From | Age | Date | Finish Time |
|---|---|---|---|---|
| Laurel Highlands FALL CLASSIC 2025 (50K) | Pennsylvania, US | 52 | Saturday, September 27, 2025 | 08:46:48.00 |
| Laurel Highlands Ultra 2025 (50K) | Pennsylvania, US | 52 | Saturday, June 14, 2025 | DNF |
| Laurel Highlands Ultra 2024 (50K) | Pennsylvania, US | 51 | Saturday, June 8, 2024 | 09:12:03.00 |