Swimming Olympic Games 1988 at Seoul (sko) Men: 100 m Butterfly September 21: Final: 1. Anthony Nesty (sur) 53.00 2. Matt Biondi (usa) 53.01 3. Andy Jameson (gbr) 53.30 4. Jonathan Sieben (aus) 53.33 5. Michael Gross (wge) 53.44 6. Jay Mortenson (usa) 54.07 7. Thomas Ponting (can) 54.09 8. Vadym Yaroshchuk (sov) 54.60