Clare Balding presents coverage from the final day of the World Swimming Championships in Rome. David Davies should be competing in the men's 1500m freestyle final, having decided not to take part in the Open Water event, a category in which he won Olympic silver in 2008. Meanwhile, Michael Phelps's decision to quit the men's 400m individual medley has boosted the medal chances of Britain's Thomas Haffield. And the fastest female swimmers in the world will be doing battle in the women's 50m freestyle. Commentary from Andy Jameson and Adrian Moorhouse. Show less