Conversation so far:
What event did Phelps do to win his seventh gold medal?
100m butterfly
who did Michael Phelps beat in the 100m butterfly race at the Beijing Olympics?
Milorad Čavić
was there any other swimmers mentioned that Michael Phelps beat in the 100m butterfly race at the Beijing Olympics besides Milorad Cavic?
No

Question: What other significant facts can you tell me about that race that you found interesting?
Self-contained rewrite: What other significant facts can you tell me about the 100m butterfly race at the Beijing Olympics that you found interesting besides who Phelps beat?