Conversation so far:
How did Hayes do in the olympics?
Hayes had his finest hour as a sprinter.
Did he win at any olympic games?
he won.
When did he win?
1964.
Did he set any records?
his relay leg is the fastest in history.
Jocelyn.
What was his time for this record?
moments.
Hand-timed between 8.5 and 8.9 seconds.
Did he break any other records?
Hayes was the first man to break ten seconds for the 100 meters.

Question: In what olympic games did he break this record?
Self-contained rewrite: In what olympic games did Hayes break ten seconds for 100 meters record?