Follow the BBC's exclusive Olympic action on television, radio and online.
Here is BBC Wales' at-a-glance guide of when, where and on which channel Wales' record 30-strong Olympic contingent will be competing at London 2012 - and a summary of Olympic football matches in Cardiff.
All events at the 2012 Olympics are streamed live on the BBC Sport website.
SUNDAY, 12 AUGUST
Boxing: Welterweight 69kg, Excel 14:15 BST (BBC One)