Conversation so far:
How did Bob Hayes do in the olympics?
At the 1964 Summer Olympics, in Tokyo, Bob Hayes had his finest hour as a sprinter.
Did Bob Hayes win at any olympic games?
First, Bob Hayes won the 100m. This was followed by a second gold medal in the 4×100 meter relay.
When did Bob Hayes win in the Olympics?
Bob Hayes won at the 1964 Summer Olympics
Did Bob Hayes set any records?
Bob Hayes won the 100m and in doing so tied the then world record in the 100 m.

Question: What was his time for this record?
Self-contained rewrite: What was Bob Hayes' time for the 100m world record?