29 July 2012 Last updated at 16:32

Olympics swimming: Jennet Saryyeva in the slow lane

Jennet Saryyeva of Turkmenistan finishes one minute and 18 seconds behind the rest of the field in her 400m freestyle heat.

Mojca Sagmeister of Slovenia was first in a time of 4:21.55

Only available to UK users.

Click here for a full replay of all of Sunday morning's swimming .