| Name: | Mark Duckworth | |
| Gender: | M | |
| Natonality: | AUS | |
| Date | Event | Overall | M | Distance | Time |
|---|---|---|---|---|---|
| 2000 | 2000-03-04 | Six Foot Track (45km trail) | 263 | 223 | 45.000 km | 6:15:48 h |
| 2002 | 2002-03-02 | Six Foot Track (45km trail) | 455 | 389 | 45.000 km | 6:27:36 h |
| 2005 | 2005-03-12 | Six Foot Track (45km trail) | 468 | 395 | 45.000 km | 6:31:23 h |
| 2008 | 2008-03-08 | Six Foot Track (45km trail) | 756 | 629 | 45.000 km | 7:01:36 h |
| 2011 | 2011-03-12 | Six Foot Track (45km trail) | 746 | 601 | 45.000 km | 6:33:31 h |
| 2013 | 2013-03-09 | Six Foot Track (45km trail) | 744 | 611 | 45.000 km | 6:54:51 h |
| 2014 | 2014-03-08 | Six Foot Track (45km trail) | 813 | 650 | 45.000 km | 6:43:20 h |
| 2015 | 2015-10-10 | Hounslow Classic Ultra SkyMarathon (68km trail) | 87 | 68 | 68.000 km | 16:44:00 h |
| 2015-05-16 | The North Face 100 Australia (100km trail) | 558 | 462 | 100.000 km | 18:05:52 h |
| 2015-03-14 | Six Foot Track (45km trail) | 722 | 559 | 45.000 km | 6:10:45 h |
| 2016 | 2016-05-14 | Ultra-Trail Australia 100 Km (100km trail) | 691 | 557 | 100.000 km | 19:11:38 h |
| 2016-03-12 | Six Foot Track (45km trail) | 776 | 558 | 45.000 km | 6:48:42 h |
| 2017 | 2017-03-11 | Six Foot Track (45km trail) | 838 | 627 | 45.000 km | 6:54:14 h |
| 1996 | 1996-03-02 | Six Foot Track (46.6km trail) | 152 | 137 | 46.600 km | 5:42:14 h |
| 1994 | 1994-03-05 | Six Foot Track (46.6km trail) | 182 | 169 | 46.600 km | 6:08:47 h |
| 2018 | 2018-05-19 | Ultra-Trail Australia 100 Km (100km trail) | 652 | 511 | 100.000 km | 18:49:52 h |
| 2019 | 2019-05-18 | Ultra-Trail Australia 50 km (50km trail) | 853 | 570 | 50.000 km | 7:54:06 h |
| 2022 | 2022-12-16 | Ultra-Trail Kosciuszko by UTMB - Kosci Miler (161km trail) | 138 | 116 | 161.000 km | 30:13:38 h |