ADAC Formel Masters Despite beginning his karting career in 2006, 2008 saw his debut in the
ADAC Formel Masters championship with URD Rennsport. Monien finished as runner-up in the championship with two wins at
TT Circuit Assen and
Motorsport Arena Oschersleben.
Formula Three In
2009, Monien stepped up to the
German Formula Three Championship with Zettl Sportsline. He finished fifth in the standings after taking six podium places, including a win at
EuroSpeedway Lausitz. Also he appeared as a guest driver for
Mücke Motorsport at the
Formula 3 Euro Series finale at
Hockenheim. ==Racing record==