 He spoke both German and English and enjoyed a range of hobbies, including football, movies, music, skiing and bicycling.In 2006 at the junior World Cup, Rainer was successful enough to gain a silver medal, then at the 2007 Junior World Championships Rainer won a team gold and two individual bronze medals.He was then eligible for the national World Cup team, and started his career in Zakopane, where he finished 11th and 20th.