Chardon competes in the driving disciplines and became World Champion for the first time in 1988, when he won the gold medal in the individual event in Apeldoorn.

[2] In Riesenbeck, Germany another two years later he won his second individual gold, this time in the Four-in-Hand World Championships.

[2] In his own country during the 1994 World Equestrian Games in The Hague, he added two bronze medals from both the team and individual disciplines.

In Rome 1998 he was unable to equal his individual bronze, finishing fourth, but with his team mates he won yet another World title, his third in his career.

[2] Prior to that result he had won a silver in the team and bronze medal in the individual race at the Four-in-Hand World Championships in Kecskemét 2004.