| John Sylvester's efforts: | From | Age | Date | Finish Time |
|---|---|---|---|---|
| The Peak 2025 (50K) | California, US | 38 | Saturday, July 12, 2025 | 07:46:58.00 |
| Black Mountain Trail Races (25k) | California, US | 38 | Saturday, June 21, 2025 | 02:34:40.00 |
| John Sylvester's efforts: | From | Age | Date | Finish Time |
|---|---|---|---|---|
| The Peak 2025 (50K) | California, US | 38 | Saturday, July 12, 2025 | 07:46:58.00 |
| Black Mountain Trail Races (25k) | California, US | 38 | Saturday, June 21, 2025 | 02:34:40.00 |