400-Meter Individual Medley
Updated February 21, 2017 | Factmonster Staff 
| 1964 | Dick Roth, United States | 4:45.40 | |
| 1968 | Charles Hickox, United States | 4:48.40 | |
| 1972 | Gunnar Larsson, Sweden | 4:31.98 | |
| 1976 | Rod Strachan, United States | 4:23.68 | |
| 1980 | Aleksandr Sidorenko, USSR | 4:22.80 | |
| 1984 | Alex Baumann, Canada | 4:17.41 | |
| 1988 | Tamas Darnyi, Hungary | 4:14.75 | |
| 1992 | Tamas Darnyi, Hungary | 4:14.23 | |
| 1996 | Tom Dolan, United States | 4:14.90 | |
| 2000 | Tom Dolan, United States | 4:11.76 | |
| 2004 | Michael Phelps, United States | 4:08.26 | 1 |
| 2008 | Michael Phelps, United States | 4:03.84 | 1 |
1. World record.
