Maxie Parks Best performances 400 meters

| Year_ | Result_ | World_Rank | Location_ | Date_ |
|---|---|---|---|---|
| 1973 | 45.5 | 9th | Bakersfield | Jun 16 |
| 1974 | 45.76 | 11th | Austin | Aug 24 |
| 1975 | 45.9 | 30th | Bakersfield | May 17 |
| 1976 | 44.82 | 4th | Westwood | Jun 12 |
| 1977 | 45.45 | 7th | Zurich | Aug 24 |
| 1978 | 45.15 | 6th | Westwood | Jun 10 |