| Nikki Kimball's efforts: | From | Age | Date | Finish Time |
|---|---|---|---|---|
| 2025 Sawatch Ascent | Montana, US | 54 | Sunday, September 28, 2025 | 07:34:56.00 |
| 2025 West Line Winder Trail Races (50k) | Montana, US | 54 | Saturday, September 27, 2025 | 06:24:35.00 |
| Hardrock 100 2018 | Montana, US | 47 | Friday, July 20, 2018 | 32:18:35.00 |
| Quad Rock (2018) (Quad Rock 50) | Montana, US | 46 | Saturday, May 12, 2018 | 10:52:57.00 |
| The Bear 100 2011 | Montana, US | 40 | Friday, September 23, 2011 | 22:19:00.00 |