| Name: | John Williamson | |
| Gender: | M | |
| Natonality: | AUS | |
| Date | Event | Overall | M | Distance | Time |
|---|---|---|---|---|---|
| 2020 | 2020-10-17 | The Blackall 100 (100km trail) | 139 | 103 | 100.000 km | 17:19:01 h |
| 2021 | 2021-05-15 | Ultra-Trail Australia 100 Km (100km trail) | 476 | 413 | 100.000 km | 16:27:09 h |
| 2022 | 2022-12-16 | Ultra-Trail Kosciuszko by UTMB - Kosci Miler (161km trail) | 74 | 61 | 161.000 km | 26:08:12 h |
| 2023 | 2023-11-17 | Great Southern Endurance Run (GSER100) (100mi trail) | 15 | 11 | 160.934 km | 42:30:02 h |