Hamburger was also a member of the 2009-winning Oxford University Boat Club first eight that won the 155th University Boat Race on 29 March 2009. A year later he became the first non-English speaking foreigner to hold the position of President of the Oxford University Boat Club but was part of the losing crew in the 156th University Boat Race on 3 April 2010. He is one of the tallest rowers ever to have competed in the Boat Race, standing at 206 cm (6 feet 9.1 inches) and weighing 100 kg (15.7 stone). Whilst at Oxford, Hamburger rowed in the Oriel College 1st VIII in Summer Eights, bumping Pembroke College to finish 2nd on the river. At the 2012 Summer Olympics, he was part of the Dutch men's eight who finished in 5th place.