| Thaddeus Arnold's efforts: | From | Age | Date | Finish Time |
|---|---|---|---|---|
| Never Summer 60k (2025) | District of Columbia, US | 40 | Friday, July 25, 2025 | 11:11:37.00 |
| Laurel Highlands Ultra 2024 (50K) | District of Columbia, US | 38 | Saturday, June 8, 2024 | 07:02:11.00 |
| Thaddeus Arnold's efforts: | From | Age | Date | Finish Time |
|---|---|---|---|---|
| Never Summer 60k (2025) | District of Columbia, US | 40 | Friday, July 25, 2025 | 11:11:37.00 |
| Laurel Highlands Ultra 2024 (50K) | District of Columbia, US | 38 | Saturday, June 8, 2024 | 07:02:11.00 |