| Christina Dennison's efforts: | From | Age | Date | Finish Time |
|---|---|---|---|---|
| 2022 High Lonesome 100 | Colorado, US | 38 | Friday, July 22, 2022 | DNF |
| 2021 High Lonesome 100 | Colorado, US | 37 | Friday, July 30, 2021 | DNF |
| 2018 Silverton Ultra Marathon (100K) | Alabama, US | 34 | Saturday, August 11, 2018 | 21:30:21.00 |
| 2017 Silverton Double Dirty 30 (100K) | Colorado, US | 33 | Saturday, September 23, 2017 | 21:35:58.00 |
| 2017 Golden Gate Dirty 30 (50K) | Colorado, US | 33 | Saturday, June 3, 2017 | 09:54:38.05 |
| Quad Rock 2017 | Colorado, US | 33 | Saturday, May 13, 2017 | 07:03:29.00 |
| 2016 Golden Gate Dirty 30 (50K) | 32 | Saturday, June 4, 2016 | 09:51:03.80 |