In the last 20 - meters Phelps began to tighten up .
In the last 20 - meters Phelps still managed to get his hands on the wall first for a winning time of 1 : 54.84 .
In the last 20 - meters Phelps began to tighten up , but still managed to get his hands on the wall first for a winning time of 1 : 54.84 .