| Name: | Alf Johnston | |
| Gender: | M | |
| Natonality: | AUS | |
| Date | Event | Overall | M | Distance | Time |
|---|---|---|---|---|---|
| 2013 | 2013-05-18 | The North Face 100 Australia (100km trail) | 682 | 561 | 100.000 km | 23:44:34 h |
| 2015 | 2015-05-16 | The North Face 100 Australia (100km trail) | 839 | 652 | 100.000 km | 27:41:24 h |
| 2016 | 2016-05-14 | Ultra-Trail Australia 100 Km (100km trail) | 943 | 729 | 100.000 km | 27:46:53 h |
| 2017 | 2017-05-20 | Ultra-Trail Australia 100 Km (100km trail) | 1058 | 774 | 100.000 km | 27:55:00 h |
| 2018 | 2018-05-19 | Ultra-Trail Australia 100 Km (100km trail) | 959 | 704 | 100.000 km | 27:26:25 h |
| 2022 | 2022-10-29 | Ultra-Trail Australia 50 km (50km trail) | 1681 | 1047 | 50.000 km | 13:01:16 h |