Swimming at the 2009 Southeast Asian Games – Women's 400 metre freestyle
Rank Heat/Lane Swimmer Nation Time Notes
1 H2 L5 Cai Lin Khoo Malaysia 4:27.50 Q
2 H1 L4 Lynette Lim Singapore 4:27.78 Q
3 H1 L5 Erica Totten Philippines 4:28.00 Q
4 H2 L4 Ting Wen Quah Singapore 4:28.07 Q
5 H1 L3 Rutai Santadvatana Thailand 4:28.10 Q
6 H2 L6 Wei Li Lai Malaysia 4:29.71 Q
7 H1 L6 Raina Saumi Indonesia 4:29.95 Q
8 H2 L3 Benjaporn Sriphanomtorn Thailand 4:33.56 Q
9 H2 L2 Ressa Ressa Indonesia 4:36.85
Results -- Preliminary heats
The Women's 400 Freestyle swimming event at the 25th SEA Games was held on December 11, 2009.