Carrie Lester has started the marathon at Ironman Australia triathlon 2010 almost four minutes ahead of Lisa Marangon. Rebekah Keat is currently a further three minutes back.
Desiree Ficker of the USA is a further seven minutes back.
| ATHLETE | RANK | AGE/DIV | SWIM | BIKE | |
| 1 | LESTER, Carrie | 22/15/15 | 29/Pro | 0:49:43 | 5:00:57 |
| 2 | MARANGON, Lisa | 19/16/16 | 30/Pro | 0:49:32 | 5:05:17 |
| 3 | KEAT, Rebekah | 15/19/17 | 32/Pro | 0:48:53 | 5:09:14 |
| 4 | FICKER, Desiree | 23/20/18 | 34/Pro | 0:53:03 | 5:11:27 |
| 5 | PEARSON, Amelia | 16/21/– | 29/Pro | 0:48:54 | 5:20:43 |
| 6 | RIESLER, Diana | 24/22/– | 26/Pro | 0:54:01 | 5:19:47 |
| 7 | MILNE, Angela | 21/23/– | 40/40-44 | 0:53:03 | 5:22:21 |
| 8 | MOLLOY, Kirsten | 18/23/– | 31/Pro | 0:49:02 | 5:26:30 |
