For Cathy - and Maryland.
Phelps opens with Olympic record
Michael Phelps's bid to make Olympic history got off to the perfect start as he set a new Games record in winning his heat in the 400m individual medley.
The 23-year-old American is aiming to win eight gold medals in Beijing and beat Mark Spitz's record of seven golds set in 1972.
He cruised into Sunday's final with a time of four minutes 7.82 seconds.
Second fastest after the heats was Hungarian Laszlo Cseh, with Italian Luca Marin third fastest.
However, fellow American Ryan Lochte remains one of Phelps's biggest threats, despite only qualifying as fourth fastest.
Phelps, who won six golds in Athens four years ago, was keen to lay down a marker and was inside his own world record pace after the initial breaststroke stage and at halfway was half a second inside the world best.
RIP Iron Man
Rock On and keep the Faith