| Fiona Larsen's efforts: | From | Age | Date | Finish Time |
|---|---|---|---|---|
| Quad Rock (2018) (Quad Rock 50) | Colorado, US | 27 | Saturday, May 12, 2018 | 11:37:20.00 |
| 2017 Silverton Double Dirty 30 (55K) | Colorado, US | 27 | Saturday, September 23, 2017 | 08:00:31.00 |
| Never Summer 100k 2017 | CO | 26 | Saturday, July 22, 2017 | 19:20:47.00 |
| Quad Rock 2017 | Colorado, US | 26 | Saturday, May 13, 2017 | 12:53:52.00 |