Conversation so far:
what event took place in London with Michael Phelps on July 28, 2012?
The morning prelims for the 400-meter individual medley
what did Michael Phelps place after the morning prelims for the 400-meter individual medley?
Phelps placed eighth

Question: was this a record breaking time?
Self-contained rewrite: was the London 2012 morning prelims for the 400-meter individual medley a record breaking time for Phelps?