| Jeffrey Miller's efforts: | From | Age | Date | Finish Time |
|---|---|---|---|---|
| Never Summer 100k (2025) (100k) | California, US | 54 | Saturday, July 26, 2025 | DNF |
| Pacific Crest Trail 50 -2024 (PCT 50) (50 miler) | California, US | 53 | Saturday, May 11, 2024 | DNF |
| Oriflamme 50k - 2024 (50k) | California, US | 53 | Saturday, April 13, 2024 | 06:39:15.00 |
| Old West Trail Runs 2023 (50k) | California, US | 52 | Saturday, March 11, 2023 | 06:20:00.00 |