| Jason Springston's efforts: | From | Age | Date | Finish Time |
|---|---|---|---|---|
| Old West Trail Runs 2024 (50k) | California, US | 47 | Saturday, March 16, 2024 | In progress |
| ABC 50 (Anza Borrego 50) | California, US | 47 | Saturday, December 2, 2023 | 12:37:14.00 |
| PCT 50 (Pacific Crest Trail 50) | California, US | 46 | Saturday, May 13, 2023 | DNF |
| Old West Trail Runs 2023 (50k) | California, US | 46 | Saturday, March 11, 2023 | 06:48:00.00 |