Conversation so far:
What is one athletic accomplishment Carl Lewis is famous for?
His 65 consecutive victories in the long jump achieved over a span of 10 years is one of the sport's longest undefeated streaks.
Who did Carl Lewis compete against at the 1991 World Championships in the long jump?
Lewis was up against Mike Powell, the silver medalist in the event from the 1988 Olympics and the top-ranked long jumper of 1990.
Is there any interesting information regarding Carl Lewis as a competitive athlete besides his track and field career?
The Chicago Bulls drafted Lewis in the 1984 NBA Draft as the 208th overall pick, although he had played neither high school nor college basketball.
Where did Carl Lewis compete in track and field events?
He is one of only three Olympic athletes who won a gold medal in the same individual event in four consecutive Olympic Games.
Was Carl Lewis famous for competing in any other sports than track and field?
Lewis was drafted by the Dallas Cowboys in the 1984 NFL Draft, even though he did not play football in college. He never played in the NFL either.
Did Carl Lewis rank in anything else besides long jump?
He set world records in the 100 m, 4 × 100 m and 4 × 200 m relays.
Did Carl Lewis win any other titles in events other than long jump and relays??
The world record for 100 meters was broken by Carl Lewis at the 1991 World Championships.

Question: How long was he a competitive athlete?
Self-contained rewrite: How long was Carl Lewis a competitive athlete?