His performances for the Canada under-17 team at a tournament in Northern Ireland in 2006 attracted the interest of clubs from Germany and France.[4] Following a trial he signed a two-year contract with RC Strasbourg in 2006.[4]
He was named Canadian U-17 Player of the Year for 2007.[5]
He made his single professional appearance for Strasbourg on 29 September 2008 against Clermont Foot in Ligue 2, playing the full match.[6]
Lacoste-Lebuis represented Canada at the 2007 CONCACAF Under-17 Qualification Tournament in Kingston, Jamaica, Canada finished fourth in Group B.[citation needed]
In 2006, he captained the Canada under-17 team and was named the top player at the Ballymena Tournament in Northern Ireland.[4]