| Name: | Amanda Underwood | |
| Gender: | F | |
| Natonality: | AUS | |
| Date | Event | Overall | F | Distance | Time |
|---|---|---|---|---|---|
| 2003 | 2003-03-08 | Six Foot Track (45km trail) | 379 | 41 | 45.000 km | 6:06:11 h |
| 2004 | 2004-03-13 | Six Foot Track (45km trail) | 234 | 34 | 45.000 km | 5:21:14 h |
| 2005 | 2005-03-12 | Six Foot Track (45km trail) | 307 | 41 | 45.000 km | 5:49:00 h |
| 2006 | 2006-03-11 | Six Foot Track (45km trail) | 146 | 14 | 45.000 km | 5:03:47 h |
| 2007 | 2007-03-10 | Six Foot Track (45km trail) | 207 | 24 | 45.000 km | 5:02:40 h |
| 2009 | 2009-03-08 | Six Foot Track (45km trail) | 136 | 11 | 45.000 km | 4:48:55 h |
| 2011 | 2011-04-25 | Mt Solitary 45 km Ultra Race (45km trail) | 41 | 6 | 45.000 km | 7:27:07 h |
| 2015 | 2015-03-14 | Six Foot Track (45km trail) | 330 | 41 | 45.000 km | 5:08:25 h |
| 2016 | 2016-03-12 | Six Foot Track (45km trail) | 218 | 34 | 45.000 km | 5:09:49 h |
| 2017 | 2017-03-11 | Six Foot Track (45km trail) | 311 | 50 | 45.000 km | 5:16:41 h |