| Name: | Mary Sietsma | |
| Gender: | F | |
| Natonality: | AUS | |
| Date | Event | Overall | F | Distance | Time |
|---|---|---|---|---|---|
| 2015 | 2015-03-14 | Six Foot Track (45km trail) | 714 | 161 | 45.000 km | 6:08:17 h |
| 2016 | 2016-03-12 | Six Foot Track (45km trail) | 680 | 181 | 45.000 km | 6:25:47 h |
| 2018 | 2018-05-19 | Ultra-Trail Australia 50 km (50km trail) | 1244 | 455 | 50.000 km | 8:52:33 h |