| Mark Kern's efforts: | From | Age | Date | Finish Time |
|---|---|---|---|---|
| Pacific Crest Trail 50 -2025 (PCT 50) (50 Miler) | California, US | 49 | Saturday, May 10, 2025 | 13:04:39.00 |
| Oriflamme 50k - 2025 (50K) | California, US | 49 | Saturday, April 12, 2025 | 06:56:12.00 |
| The Ranch 2025 (Half Marathon) | California, US | 49 | Saturday, February 15, 2025 | 02:26:23.00 |
| The Peak 2023 (50K) | California, US | 47 | Saturday, July 15, 2023 | 08:24:42.00 |