As a result on March 21, 2007 they won their third World Championship title.

He won his first overall World Championship title at the 2008 championships.

This is not a complete list but the following are known to have won eight or more World Championship titles.

He resumed his head coaching position with the national team, leading them to the country's first ever World Championship title in 1947.

Three days later, he would go on to win his first World Championship title in the 800 freestyle with a time of 7:38.57.

During this time he also won eight World Championship titles in the sport.

Shortly thereafter, in 1976, he won his first overall World Championship title, at the age of 13.

Amongst his national team successes are two World Championship titles from 1970 and 1974.

Olsen was close to winning two further World Championship titles.

Lowe won the World Championship title in three different decades - 1979, 1987 and 1993.

As a result on March 21, 2007 they won their third World Championship title.

He won his first overall World Championship title at the 2008 championships.

This is not a complete list but the following are known to have won eight or more World Championship titles.

He resumed his head coaching position with the national team, leading them to the country's first ever World Championship title in 1947.

Three days later, he would go on to win his first World Championship title in the 800 freestyle with a time of 7:38.57.

During this time he also won eight World Championship titles in the sport.

Shortly thereafter, in 1976, he won his first overall World Championship title, at the age of 13.

Amongst his national team successes are two World Championship titles from 1970 and 1974.

Olsen was close to winning two further World Championship titles.

Lowe won the World Championship title in three different decades - 1979, 1987 and 1993.