Libby Trickett (Lenton) swan a new world record in 52.99 secs. 15 yr old Cate Campbell came secon, Melanie Schlanger third. Now we know
http://olympic-swimming.suite101.com/article....

Name Age Team Semis Finals FINA
==========
=== Finals ===

1 TRICKETT, LISBE 23 COMM 54.43 52.88* 1065
25.40 52.88 (27.48)
2 CAMPBELL, CATE 15 INDOO 54.37 53.81A 1011
25.91 53.81 (27.90)
3 SCHLANGER, MELA 21 COMM 54.76 54.20A 990
26.52 54.20 (27.68)
4 MILLS, ALICE,( 21 CHAND 54.79 54.28A 985
26.07 54.28 (28.21)
5 REESE, SHAYNE ( 25 CAA 55.05 54.80A 957
26.24 54.80 (28.56)
6 BAINBRIDGE, ANG 18 HUNT 55.27 55.01A 946
26.47 55.01 (28.54)
7 MACKENZIE, LIND 24 MACKA 55.10 55.03A 945
26.84 55.03 (28.19)
8 BARRATT, BRONTE 19 ALBAN 55.28 55.83B 905
27.16 55.83 (28.67)