Conversation so far:
What happened with Oscar Pistorius in 2012?
At the 2012 Summer Olympics on 4 August 2012, Oscar Pistorius became the first amputee runner to compete at an Olympic Games.
Did Oscar Pistorius win any of the events at the 2012 Summer Olympics?
South Africa was passed into the final on appeal to the IAAF. The South African relay team eventually finished eighth out of the field of nine in the final.

Question: Who defeated him in the final?
Self-contained rewrite: Who defeated Oscar Pistorius in the final?