| Miranda Williamson's efforts: | From | Age | Date | Finish Time |
|---|---|---|---|---|
| 2024 Sawatch Ascent 50k | Colorado, US | 41 | Sunday, September 29, 2024 | 08:58:12.00 |
| 2024 West Line Winder Trail Races (50k) | Colorado, US | 41 | Saturday, September 28, 2024 | 06:30:24.00 |
| Oriflamme 50k - 2024 (50k) | Colorado, US | 41 | Saturday, April 13, 2024 | 06:04:49.00 |
| 2021 West Line Winder 50k | Colorado, US | 38 | Saturday, September 25, 2021 | 07:10:06.00 |