| Name: | Ann O'Brien | |
| Gender: | F | |
| Natonality: | AUS | |
| Date | Event | Overall | F | Distance | Time |
|---|---|---|---|---|---|
| 2018 | 2018-05-19 | Ultra-Trail Australia 50 km (50km trail) | 1513 | 607 | 50.000 km | 9:47:18 h |
| 2019 | 2019-03-09 | Six Foot Track (45km trail) | 675 | 148 | 45.000 km | 6:18:54 h |
| 2019-05-18 | Ultra-Trail Australia 50 km (50km trail) | 1556 | 628 | 50.000 km | 9:32:13 h |
| 2020 | 2020-11-07 | The Guzzler Ultra 50km (50km trail) | 243 | 67 | 50.000 km | 9:37:23 h |