| Heat 1 | Hippos Hall - 03 April 2012 - Start Time: 10:07 |
| Pos. | Lane | Bib | Athlete | Year | Cat. | | Mark |
| 1 | 2I | 1149 | ZAVATTERO Benoit | 1960 | M50 | FRA FRANCE | 2:11.09 Q |
| 2 | 4I | 1230 | SMITH Stephen | 1959 | M50 | GBR GREAT BRITAIN & NORTH IRELAND | 2:12.00 Q |
| 3 | 1I | 260 | STILLLING Ole | 1962 | M50 | DEN DENMARK | 2:13.12 |
| 4 | 2E | 244 | MOTALEK Petr | 1961 | M50 | CZE CZECH REPUBLIC | 2:17.25 |
| 5 | 3I | 1580 | PEETERS Theo | 1961 | M50 | NED NETHERLANDS | 2:18.50 |
| 6 | 3E | 603 | KOESSI Jouko | 1958 | M50 | FIN FINLAND | 2:20.28 |
| 7 | 4E | 316 | MARQUINA Fernando | 1958 | M50 | ESP SPAIN | 2:24.34 |
| Intermediate: m. 400: 1.10.9 |
| Heat 2 | Hippos Hall - 03 April 2012 - Start Time: 10:11 |
| Pos. | Lane | Bib | Athlete | Year | Cat. | | Mark |
| 1 | 1I | 326 | NAVAS Antonio | 1959 | M50 | ESP SPAIN | 2:14.06 Q |
| 2 | 3I | 1146 | TRAORE Didier | 1960 | M50 | FRA FRANCE | 2:14.44 Q |
| 3 | 4I | 257 | PEDERSEN Rene Lehmann | 1961 | M50 | DEN DENMARK | 2:15.73 |
| 4 | 2E | 1132 | PILOT Philippe | 1962 | M50 | FRA FRANCE | 2:15.84 |
| 5 | 2I | 1482 | MANFREDI Alessandro | 1960 | M50 | ITA ITALY | 2:17.27 |
| 6 | 3E | 1720 | OZYUMENKO Igor | 1960 | M50 | RUS RUSSIA | 2:17.87 |
| 7 | 1E | 1469 | DI LUZIO Roberto | 1960 | M50 | ITA ITALY | 2:18.37 |
| 8 | 4E | 360 | KOTKAS Kuldar | 1959 | M50 | EST ESTONIA | 2:34.90 |
| Intermediate: m. 400: 1.08.7 |
| Heat 3 | Hippos Hall - 03 April 2012 - Start Time: 10:15 |
| Pos. | Lane | Bib | Athlete | Year | Cat. | | Mark |
| 1 | 1I | 109 | HECINI Aissa | 1961 | M50 | ALG ALGERIA | 2:10.16 Q |
| 2 | 3I | 1333 | OBERLIESSEN Peter | 1960 | M50 | GER GERMANY | 2:10.57 Q |
| 3 | 2I | 1165 | BRYCE Alex | 1960 | M50 | GBR GREAT BRITAIN & NORTH IRELAND | 2:11.35 q |
| 4 | 3E | 1586 | STIENSTRA Alex | 1959 | M50 | NED NETHERLANDS | 2:12.82 q |
| 5 | 4E | 1650 | AKISHEV Dmitriy | 1958 | M50 | RUS RUSSIA | 2:14.28 |
| 6 | 4I | 1585 | SPANGENBERG Stan | 1959 | M50 | NED NETHERLANDS | 2:24.27 |
| 7 | 2E | 448 | HASSINEN Jukka Pekka | 1960 | M50 | FIN FINLAND | 2:30.67 |
| 8 | 1E | 138 | PILKINGTON Roger | 1958 | M50 | AUS AUSTRALIA | 2:40.34 |
| Intermediate: m. 400: 1.06.3 |
| Pos. | Lane | Bib | Athlete | Year | Cat. | | Mark |
| 1 | 1I | 109 | HECINI Aissa | 1961 | M50 | ALG ALGERIA | 2:10.16 Q |
| 2 | 3I | 1333 | OBERLIESSEN Peter | 1960 | M50 | GER GERMANY | 2:10.57 Q |
| 3 | 2I | 1149 | ZAVATTERO Benoit | 1960 | M50 | FRA FRANCE | 2:11.09 Q |
| 4 | 2I | 1165 | BRYCE Alex | 1960 | M50 | GBR GREAT BRITAIN & NORTH IRELAND | 2:11.35 q |
| 5 | 4I | 1230 | SMITH Stephen | 1959 | M50 | GBR GREAT BRITAIN & NORTH IRELAND | 2:12.00 Q |
| 6 | 3E | 1586 | STIENSTRA Alex | 1959 | M50 | NED NETHERLANDS | 2:12.82 q |
| 7 | 1I | 260 | STILLLING Ole | 1962 | M50 | DEN DENMARK | 2:13.12 |
| 8 | 1I | 326 | NAVAS Antonio | 1959 | M50 | ESP SPAIN | 2:14.06 Q |
| 9 | 4E | 1650 | AKISHEV Dmitriy | 1958 | M50 | RUS RUSSIA | 2:14.28 |
| 10 | 3I | 1146 | TRAORE Didier | 1960 | M50 | FRA FRANCE | 2:14.44 Q |
| 11 | 4I | 257 | PEDERSEN Rene Lehmann | 1961 | M50 | DEN DENMARK | 2:15.73 |
| 12 | 2E | 1132 | PILOT Philippe | 1962 | M50 | FRA FRANCE | 2:15.84 |
| 13 | 2E | 244 | MOTALEK Petr | 1961 | M50 | CZE CZECH REPUBLIC | 2:17.25 |
| 14 | 2I | 1482 | MANFREDI Alessandro | 1960 | M50 | ITA ITALY | 2:17.27 |
| 15 | 3E | 1720 | OZYUMENKO Igor | 1960 | M50 | RUS RUSSIA | 2:17.87 |
| 16 | 1E | 1469 | DI LUZIO Roberto | 1960 | M50 | ITA ITALY | 2:18.37 |
| 17 | 3I | 1580 | PEETERS Theo | 1961 | M50 | NED NETHERLANDS | 2:18.50 |
| 18 | 3E | 603 | KOESSI Jouko | 1958 | M50 | FIN FINLAND | 2:20.28 |
| 19 | 4I | 1585 | SPANGENBERG Stan | 1959 | M50 | NED NETHERLANDS | 2:24.27 |
| 20 | 4E | 316 | MARQUINA Fernando | 1958 | M50 | ESP SPAIN | 2:24.34 |
| 21 | 2E | 448 | HASSINEN Jukka Pekka | 1960 | M50 | FIN FINLAND | 2:30.67 |
| 22 | 4E | 360 | KOTKAS Kuldar | 1959 | M50 | EST ESTONIA | 2:34.90 |
| 23 | 1E | 138 | PILKINGTON Roger | 1958 | M50 | AUS AUSTRALIA | 2:40.34 |
|
| Final | Hippos Hall - 04 April 2012 - Start Time: 12:54 |
| Pos. | Lane | Bib | Athlete | Year | Cat. | | Mark |
| 1 | 2I | 1333 | OBERLIESSEN Peter | 1960 | M50 | GER GERMANY | 2:05.71 |
| | | | WORLD CHAMPION | | | | |
| 2 | 1I | 109 | HECINI Aissa | 1961 | M50 | ALG ALGERIA | 2:07.29 |
| 3 | 2E | 326 | NAVAS Antonio | 1959 | M50 | ESP SPAIN | 2:07.48 |
| 4 | 4E | 1149 | ZAVATTERO Benoit | 1960 | M50 | FRA FRANCE | 2:07.74 |
| 5 | 1E | 1146 | TRAORE Didier | 1960 | M50 | FRA FRANCE | 2:10.21 |
| 6 | 3E | 1165 | BRYCE Alex | 1960 | M50 | GBR GREAT BRITAIN & NORTH IRELAND | 2:10.96 |
| 7 | 4I | 1586 | STIENSTRA Alex | 1959 | M50 | NED NETHERLANDS | 2:11.98 |
| 8 | 3I | 1230 | SMITH Stephen | 1959 | M50 | GBR GREAT BRITAIN & NORTH IRELAND | 2:15.78 |
|