 Complete the following phrase:  Gareth Warburton was initially not selected for the 800 metres, having failed to achieve the A qualifying standard at the 2012 European Athletics Championships in Helsinki, but was granted a place at the Games following an appeal. Ten other British athletes were unsuccessful with their appeals to be included. David Webb was initially chosen as part of the squad for the mens marathon but withdrew on 25 July due to injury. No replacement was selected. Paula Radcliffe was initially chosen as part of the squad for the 