What did Daley Thompson win the world record for?

Daley Thompson won the world record for the decathlon, an event that combines ten Track and Field disciplines. He set his first world record in 1980 with a score of 8,743 points and later improved it to 8,834 points in 1984. Thompson is celebrated for his exceptional athleticism and is considered one of the greatest decathletes in history. His achievements contributed significantly to the popularity of the event during the 1980s.