From OpenwaterpediaHalf Century Club list for the English Channel (14:07 as a 57-year-old) and the Strait of Gibraltar (5:35 as a 51-year-old). After three unsuccessful attempts between 1999 and 2002, he completed his English Channel swim in July 2005 in 14 hours 7 minutes.
Haan is a well-known opera singer and bard who performs all over the world. He is still swimming, but he prefers Winter Swimming. And winter swimming in the Czech Republic is real extreme.