 Complete the following phrase:  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 Sighels 41.041 km from 24 March 1999. He won a 4th place at the 10,000 metres of the 