| Tina Duncan's efforts: | From | Date | Finish Time |
|---|---|---|---|
| Red Feather Trail Jamboree 2022 (50K) | Colorado, US | Saturday, September 17, 2022 | 06:48:53.00 |
| Staunton Rocks! Marathon & Half 2022 (Marathon) | Colorado, US | Saturday, August 27, 2022 | 06:00:25.00 |
| Never Summer 2022 (60k) | Colorado, US | Friday, July 29, 2022 | 10:28:39.00 |
| Blue Sky Marathon 2021 (Blue Sky) | Colorado, US | Saturday, October 16, 2021 | 05:34:26.00 |
| Staunton Rocks! Marathon & Half (Marathon) | Colorado, US | Saturday, August 28, 2021 | 06:00:14.00 |
| Never Summer (2021) (60k) | Colorado, US | Friday, July 30, 2021 | 10:19:38.00 |
| Quad Rock 2021 (Quad Rock 25) | Colorado, US | Saturday, May 8, 2021 | 05:47:16.00 |
| Blue Sky Marathon 2020 (Blue Sky) | Colorado, US | Saturday, November 14, 2020 | 05:25:44.00 |
| Blue Sky Marathon 2019 (Blue Sky) | Colorado, US | Saturday, October 19, 2019 | 04:56:09.00 |
| Never Summer 100k (2019) | Colorado, US | Saturday, July 27, 2019 | Not yet started |
| Quad Rock (2019) (Quad Rock 50) | Colorado, US | Saturday, May 11, 2019 | DNF |
| Blue Sky Trail Marathon (2018) (Blue Sky) | Colorado, US | Saturday, October 20, 2018 | 04:36:44.00 |
| Never Summer 100k (2018) | Colorado, US | Saturday, July 28, 2018 | 20:04:36.00 |
| Quad Rock (2018) (Quad Rock 50) | Colorado, US | Saturday, May 12, 2018 | 13:12:14.00 |