Paul Borowski, Karl-Heinz Thun and Konrad Weichert started to sail together in the 5.5 metre class at the end of the 1950s and they were the East-German 5.5 metre champions from 1960-63. In the middle 60s they switched to Dragon class and together won 1968 Olympic silver and bronze in 1972, they were European champions in 1970 and 1972, won silver at the 1969 European Championships and bronze at the 1968 European Championships. In 1969 they also won their only East German Dragon class title. After finishing his sporting career, Borowski worked as a sailing coach, coaching his sons Jörn, who won silver in 470 class at the 1980 Olympics and Bodo, who was multiple a East German champion in the Flying Dutchman class.