Tutumlu began his career racing in the
karting championships in
Catalonia (Spain). He moved into cars by competing in the Mitjet Series in 2007. In 2008 he won the Catalunya Touring Car Championship. In 2009 he began racing in GTs, competing in five rounds of the
Porsche Supercup as well as starting
International GT Open and
Spanish GT Championship races. At the start of 2011, Tutumlu entered the
Superstars Series in a
BMW M3 for the Spanish team
Campos Racing. However, he would only participate in the first three rounds of the season. Later in the year he returned to the Porsche Supercup.
Porsche Supercup Tutumlu first entered the
Porsche Supercup when he entered five rounds at the championship with SANITEC Racing, starting with the
Nürburgring. He raced in the championship until the penultimate round at
Monza, as a guest driver he was ineligible to score points. Tutumlu returned to the championship in 2011, beginning with a single race for MRS Team PZ Aschaffenburg at
Monaco, however he was disqualified from the results. He reappeared at the
Hungaroring with SANITEC Aquiles MRS Team and did two further races at
Spa-Francorchamps and
Abu Dhabi for
Attempto Racing. Tutumlu returned to the Porsche Supercup in 2012 with Attempto Racing, starting with the second round of the championship at
Barcelona.
World Touring Car Championship In 2012, Tutumlu signed to race in the
World Touring Car Championship with
Proteam Racing, again in a BMW. He was forced to miss the fourth round of the championship at the
Slovakiaring due to damage sustained on his car in
Marrakech. After the
Race of Slovakia, he announced he would leave Proteam and the WTCC to return to the Porsche Supercup.
Blancpain Lamborghini Super Trofeo Europe In 2015, Tutumlu was confirmed as a driver in the
Lamborghini Super Trofeo Europe. Isaac didn't race in the first weekend of the year at
Monza and started his season in
Silverstone driving for Leipert Motorsport. He's team-mate is the Austrian
Gerhard Tweraser. ==Personal life==