<prompt> Ngwala go tšwela pele bakeng sa serapa se - Petersen o ile a thea histori ya gagwe ya go rutha Mabenkeleng a go Rutha a Pan Pacific a 1999 kua Sydney, moo a ilego a ba wa bone lebelong la go rutha la go rutha la go rutha la go rutha la go rutha la go rutha la go rutha la go rutha la go rutha la go rutha la go rutha la go rutha la go rutha la go rutha la go rutha la go rutha la go rutha la go rutha la go rutha la go rutha la go rutha la go rutha la go rutha la go rutha la go rutha la go rutha la go rutha la go rutha la go rutha la go rutha la go rutha la go rutha la go rutha la go rutha. Ka wona ngwaga woo, Petersen o ile a thopa sefoka sa gauta sa Afrika Borwa ka 100 m breaststroke 1:02.63 ka Dipapading tša Afrika ka moka  <response>: kua Johannesburg. 