| Kristen Nelson's efforts: | From | Age | Date | Finish Time |
|---|---|---|---|---|
| Blue Sky Marathon & Half 2023 (Trail Marathon) | Colorado, US | 41 | Saturday, October 21, 2023 | 06:07:32.00 |
| Never Summer 60k (2023) | Colorado, US | 41 | Friday, July 28, 2023 | 11:24:19.00 |
| Blue Sky Marathon 2022 (Blue Sky) | Utah, US | 40 | Saturday, October 15, 2022 | 05:58:29.00 |
| Blue Sky Marathon 2019 (Blue Sky) | Colorado, US | 37 | Saturday, October 19, 2019 | 05:31:44.00 |
| Blue Sky Trail Marathon (2018) (Blue Sky) | Colorado, US | 36 | Saturday, October 20, 2018 | 06:01:09.00 |