In the sixties they won two youth championships (1961-1962 and 1966-1967).
He won several national youth championships with his team.
After scoring 17 goals in (1994 born) youth championship at 2009.
Carlsson also won a number of youth championships at the national and regional level.
He also took third place in the Swedish youth championships in 2000.
Argentina did not participate of the first youth championship held in Tunisia.
He came third in the national youth championship on the road and moved to the track after a training session in Paris.
Then, he won many medals in local youth championships in athletics.
Two years before he had won second place in the European Youth Championships.
In 1993 he won the British Youth Championship and turned professional.