2011 IPC Athletics World Championships – Women's 4 x 100 metres relay
The women's 4 x 100 metres relay at the 2011 IPC Athletics World Championships was held at the QEII Stadium on 24 and 28 January 2011.
...
Wikipedia
The women's 4 x 100 metres relay at the 2011 IPC Athletics World Championships was held at the QEII Stadium on 24 and 28 January 2011.