シャンティイ競馬場
Raised in a horse racing family, he is the son of a horse jumping jockey Jean-Marc Soumillon. Christophe Soumillon apprenticed at Chantilly Racecourse in Chantilly, France to Cédric Boutin, and won his first race in November 1997. By the end of 1999, he had been named Champion Apprentice.