On 12 March 2004 in Calgary, Angenent skated 41.669 km in one hour, which was the world record in this event until 15 March 2007, when Casper Helling skated 300 metres more. The previous world record was Roberto Sighel's 41.041 km from 24 March 1999. He won a 4th place at the 10,000 metres of the 2003 World Single Distance Championships, after Bob de Jong, Carl Verheijen and Lasse Sætre. Earlier that year he became Dutch champion on the same distance at the KNSB Dutch Single Distance Championships.