Swimming Olympic Games 1968 at Mexico City (mex) Men: 400 m Medley October 23: Final: 1. Charles Hickcox (usa) 4:48.4 2. Gary Hall (usa) 4:48.7 3. Michael Holthaus (wge) 4:51.4 4. Greg Buckingham (usa) 4:51.4 5. John Gilchrist (can) 4:56.7 6. Reinhard Merkel (wge) 4:59.8 7. Andrey Dunayev (sov) 5:00.3 8. Rafael Hernández (mex) 5:04.3