| Heat 1 | Stadio P. Nebiolo - 01 August 2019 - Start Time: 11:53 |
| Pos. | Lane | Bib | Athlete | Year | Cat. | | Mark |
| 1 | 5 | 52 | HOVORKA Bohumil | 1952 | M65 | CZE CZECH REPUBLIC | 52.11 Q |
| 2 | 6 | 855 | SATO Ryuichi | 1953 | M65 | JPN JAPAN | 53.44 Q |
| 3 | 4 | 632 | MIGLIUCCI Dante | 1954 | M65 | ITA ITALY | 55.78 q |
| 4 | 3 | 858 | BARAUS Juris | 1952 | M65 | LAT LATVIA | 58.20 q |
| | 2 | 931 | DAVYDOV Valeriy | 1950 | M65 | RUS RUSSIA | DNF |
|
| Heat 2 | Stadio P. Nebiolo - 01 August 2019 - Start Time: 11:57 |
| Pos. | Lane | Bib | Athlete | Year | Cat. | | Mark |
| 1 | 4 | 1042 | MEIER Albert | 1953 | M65 | SUI SWITZERLAND | 57.95 Q |
| 2 | 3 | 898 | LORENZ Sylwester | 1950 | M65 | POL POLAND | 1:07.82 Q |
| 3 | 5 | 896 | KUSCHILL Juliusz | 1950 | M65 | POL POLAND | 1:10.31 q |
| | 6 | 68 | SOLAR Jiri | 1954 | M65 | CZE CZECH REPUBLIC | DNS |
|
| Pos. | Lane | Bib | Athlete | Year | Cat. | | Mark |
| 1 | 5 | 52 | HOVORKA Bohumil | 1952 | M65 | CZE CZECH REPUBLIC | 52.11 Q |
| 2 | 6 | 855 | SATO Ryuichi | 1953 | M65 | JPN JAPAN | 53.44 Q |
| 3 | 4 | 632 | MIGLIUCCI Dante | 1954 | M65 | ITA ITALY | 55.78 q |
| 4 | 4 | 1042 | MEIER Albert | 1953 | M65 | SUI SWITZERLAND | 57.95 Q |
| 5 | 3 | 858 | BARAUS Juris | 1952 | M65 | LAT LATVIA | 58.20 q |
| 6 | 3 | 898 | LORENZ Sylwester | 1950 | M65 | POL POLAND | 1:07.82 Q |
| 7 | 5 | 896 | KUSCHILL Juliusz | 1950 | M65 | POL POLAND | 1:10.31 q |
| | 2 | 931 | DAVYDOV Valeriy | 1950 | M65 | RUS RUSSIA | DNF |
| | 6 | 68 | SOLAR Jiri | 1954 | M65 | CZE CZECH REPUBLIC | DNS |
|
| Final | Stadio P. Nebiolo - 02 August 2019 - Start Time: 12:47 |
| Pos. | Lane | Bib | Athlete | Year | Cat. | | Mark |
| 1 | 3 | 855 | SATO Ryuichi | 1953 | M65 | JPN JAPAN | 51.89 |
| 2 | 4 | 52 | HOVORKA Bohumil | 1952 | M65 | CZE CZECH REPUBLIC | 52.03 |
| 3 | 7 | 632 | MIGLIUCCI Dante | 1954 | M65 | ITA ITALY | 56.04 |
| 4 | 5 | 1042 | MEIER Albert | 1953 | M65 | SUI SWITZERLAND | 57.33 |
| | 1 | 896 | KUSCHILL Juliusz | 1950 | M65 | POL POLAND | DQ |
| | 6 | 898 | LORENZ Sylwester | 1950 | M65 | POL POLAND | DNS |
| | 2 | 858 | BARAUS Juris | 1952 | M65 | LAT LATVIA | DNS |
| DQ Bib 896 Rule 168.3(b) IAAF |
|