| Men's 400 metres at the Pan American Games |
|---|
| Athletics at the 1955 Pan American Games | ||
|---|---|---|
| Track events | ||
| 60 m | women | |
| 100 m | men | women |
| 200 m | men | |
| 400 m | men | |
| 800 m | men | |
| 1500 m | men | |
| 5000 m | men | |
| 10,000 m | men | |
| 80 m hurdles | women | |
| 110 m hurdles | men | |
| 400 m hurdles | men | |
| 3000 m steeplechase | men | |
| 4 × 100 m relay | men | women |
| 4 × 400 m relay | men | |
| Road events | ||
| Marathon | men | |
| Field events | ||
| High jump | men | women |
| Pole vault | men | |
| Long jump | men | |
| Triple jump | men | |
| Shot put | men | |
| Discus throw | men | women |
| Hammer throw | men | |
| Javelin throw | men | women |
| Combined events | ||
| Decathlon | men | |
The men's 400 metres event at the 1955 Pan American Games was held at the Estadio Universitario in Mexico City on 17 and 18 March. [1] [2]
| Gold | Silver | Bronze |
|---|---|---|
| Lou Jones | Jim Lea | Jesse Mashburn |
Held on 17 March
| Rank | Heat | Name | Nationality | Time | Notes |
|---|---|---|---|---|---|
| 1 | 1 | Lou Jones | 47.66 | Q, GR | |
| 2 | 1 | Mel Spence | 47.86 | Q | |
| 3 | 1 | Evaristo Eddie | 47.94 | Q | |
| 4 | 1 | Jorge Terán | 48.78 | ||
| 5 | 1 | Ovidio de Jesús | 49.97 | ||
| 1 | 2 | Guillermo Gutiérrez | 48.31 | Q | |
| 2 | 2 | Argemiro Roque | 48.62 | Q | |
| 3 | 2 | Allan Moore | 48.83 | Q | |
| 4 | 2 | Pablo Salinas | 49.57 | ||
| 5 | 2 | Cyril Johnson | 51.62 | ||
| 2 | Angel García | DNF | |||
| 1 | 3 | Jim Lea | 48.93 | Q | |
| 2 | 3 | Frank Rivera | 48.94 | Q | |
| 3 | 3 | Dick Harding | 49.27 | Q | |
| 4 | 3 | Evelio Planas | 49.47 | ||
| 1 | 4 | Jesse Mashburn | 50.59 | Q | |
| 2 | 4 | Waldemiro Monteiro | 53.90 | Q |
Held on 17 March
| Rank | Heat | Name | Nationality | Time | Notes |
|---|---|---|---|---|---|
| 1 | 1 | Lou Jones | 47.10 | Q, GR | |
| 2 | 1 | Jim Lea | 47.69 | Q | |
| 3 | 1 | Evaristo Eddie | 47.91 | Q | |
| 4 | 1 | Allan Moore | 48.34 | ||
| 5 | 1 | Argemiro Roque | 48.55 | ||
| 1 | 2 | Jesse Mashburn | 47.51 | Q | |
| 2 | 2 | Frank Rivera | 48.01 | Q | |
| 3 | 2 | Mel Spence | 48.09 | Q | |
| 4 | 2 | Dick Harding | 48.28 | ||
| 5 | 2 | Guillermo Gutiérrez | 48.61 | ||
| 6 | 2 | Waldemiro Monteiro | 49.66 |
Held on 18 March
| Rank | Name | Nationality | Time | Notes |
|---|---|---|---|---|
| Lou Jones | 45.68 | WR | ||
| Jim Lea | 45.78 | |||
| Jesse Mashburn | 46.44 | |||
| 4 | Frank Rivera | 48.37 | ||
| 5 | Mel Spence | 48.84 | ||
| Evaristo Eddie | DNF |