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.
In what olympic games did he break this record?
Tokyo Olympics.
Did he compete in any other olympic games besides this one?
CANNOTANSWER.
Are there any other interesting aspects about this article?
Although fully automatic timing was used in Tokyo, the times were given the appearance of manual timing.
What did he do after the olympics?
CANNOTANSWER.

Question: Why did the timing looked manual in Tokyo?
Self-contained rewrite: Why did the timing looked manual in Tokyo?