All sub 1'45" performances from 1990
| # | Mark | SR | Athlete | IR | Nat | Pos | Venue | Date |
| 1 | 1.42.97 | 1 | Peter Elliott | | GBR | 1 | Sevilla | 30-05-1990 |
| 2 | 1.43.39 | 2 | William Tanui | | KEN | 1 | Bruxelles | 10-08-1990 |
| 3 | 1.43.72 | 3 | Johnny Gray | | USA | 2 | Sevilla | 30-05-1990 |
| 4 | 1.43.78 | 4 | Paul Ereng | | KEN | 1 | Barcelona | 16-07-1990 |
| 5 | 1.43.94 | | William Tanui | 2 | KEN | 1/4 | Birmingham | 03-08-1990 |
| 6 | 1.43.96 | | William Tanui | 3 | KEN | 1 | Jerez | 03-09-1990 |
| 7 | 1.44.14 | | William Tanui | 4 | KEN | 1 | Birmingham | 04-08-1990 |
| 8 | 1.44.29 | 5 | Robert Kibet | | KEN | 1/3 | Birmingham | 03-08-1990 |
| 9 | 1.44.32 | | Robert Kibet | 2 | KEN | 2 | Jerez | 03-09-1990 |
| 10 | 1.44.42 | 6 | Stephen Ole-Marai | | KEN | 1 | London | 20-07-1990 |
| 11 | 1.44.43 | 7 | Nixon Kiprotich | | KEN | 2 | Barcelona | 16-07-1990 |
| 12 | 1.44.44 | 8 | Tom McKean | | GBR | 2 | Birmingham | 04-08-1990 |
| 13 | 1.44.47 | | Nixon Kiprotich | 2 | KEN | 1 | La Coruña | 27-07-1990 |
| 14 | 1.44.49 | | Nixon Kiprotich | 3 | KEN | 3 | Sevilla | 30-05-1990 |
| 15 | 1.44.49 | | William Tanui | 5 | KEN | 1 | Monaco | 12-08-1990 |
| 16 | 1.44.61 | | Nixon Kiprotich | 4 | KEN | 1 | Zürich | 15-08-1990 |
| 17 | 1.44.64 | | Johnny Gray | 2 | USA | 1 | Oslo | 14-07-1990 |
| 18 | 1.44.65 | | William Tanui | 6 | KEN | 1 | Wrexham | 30-07-1990 |
| 19 | 1.44.65 | | Johnny Gray | 3 | USA | 1 | Hengelo | 12-08-1990 |
| 20 | 1.44.69 | | Paul Ereng | 2 | KEN | 2 | London | 20-07-1990 |
| 21 | 1.44.70 | 9 | Mark Everett | | USA | 1 | Durham NC | 01-06-1990 |
| 22 | 1.44.71 | | William Tanui | 7 | KEN | 2 | Zürich | 15-08-1990 |
| 23 | 1.44.76 | | Tom McKean | 2 | GBR | 1 | Split | 29-08-1990 |
| 24 | 1.44.77 | 10 | Dieudonné Kwizera | | BDI | 3 | Jerez | 03-09-1990 |
| 25 | 1.44.84 | 11 | George Kersh | | USA | 2 | Oslo | 14-07-1990 |
| 26 | 1.44.84 | | George Kersh | 2 | USA | 1 | Köln | 19-08-1990 |
| 27 | 1.44.84 | 12 | José Luiz Barbosa | | BRA | 1 | Koblenz | 04-09-1990 |
| 28 | 1.44.88 | 13 | Jens-Peter Herold | | DDR | 2 | Hengelo | 12-08-1990 |
| 29 | 1.44.92 | | José Luiz Barbosa | 2 | BRA | 3 | Hengelo | 12-08-1990 |
| 30 | 1.44.93 | | Nixon Kiprotich | 5 | KEN | 3 | London | 20-07-1990 |
| 31 | 1.44.95 | | William Tanui | 8 | KEN | 1 | Athene | 07-09-1990 |
| 32 | 1.44.96 | | Tom McKean | 3 | GBR | 1 | Edinburgh | 06-07-1990 |
| 33 | 1.44.98 | 14 | Reda Abdenouz | | ALG | 3 | Zürich | 15-08-1990 |
| 34 | 1.44.99 | 15 | Tomás De Teresa | | ESP | 4 | Sevilla | 30-05-1990 |