| Theresa Newby's efforts: | From | Age | Date | Finish Time |
|---|---|---|---|---|
| Blue Sky Marathon & Half 2023 (Trail Marathon) | Colorado, US | 57 | Saturday, October 21, 2023 | 09:01:04.00 |
| Red Feather Trail Jamboree 2023 Half Marathon | Colorado, US | 57 | Sunday, September 24, 2023 | 04:00:23.00 |