Grange debuted in the Alpine Skiing World Cup in January 2004. On February 17, 2007, he won the bronze medal in slalom at the 2007 World Championship in Åre, Sweden. He won his first world cup race, again a slalom, on December 17, 2007.
| Date | Location | Race |
|---|---|---|
| 17 December 2007 | Alta Badia | Slalom |
| 11 January 2008 | Wengen | Super Combined |
| 12 January 2008 | Wengen | Slalom |
| 20 January 2008 | Kitzbühel | Slalom |