Heat 6 | | time | | gap | L | Y | Rk | 1. Alan Somers | United States | 4:19.2 | OR | | 4 | 19 | 1. | 2. Mauricio Ocampo | Mexico | 4:35.3 | | +16.1s | 2 | 19 | 13. | 3. Gerhard Hetz | UT Germany | 4:38.4 | | +19.2s | 5 | 18 | 18. | 4. Bana Sailani | Philippines | 4:40.2 | | +21.0s | 3 | 22 | 21. | 5. Jan Walenty Lutomski | Poland | 4:42.8 | | +23.6s | 1 | 23 | 27. | 6. Massimo Rosi | Italy | 4:45.1 | | +25.9s | 6 | 16 | 28. | 7. Hans-Ulrich Durst | Switzerland | 4:52.5 | | +33.3s | 7 | 21 | 33. |
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Heat 5 | | time | | gap | L | Y | Rk | 1. Murray McLachlan | South Africa | 4:25.9 | | +6.7s | 5 | 19 | 6. | 2. Eugene Lenz | United States | 4:29.2 | | +10.0s | 4 | 23 | 8. | 3. Jean-Pascal Curtillet | France | 4:36.5 | | +17.3s | 6 | 17 | 16. | 4. Ruben Alejandro Roca Rosillo | Cuba | 4:41.3 | | +22.1s | 3 | 19 | 23. | 5. Jose Manuel Cossio Martinon | Spain | 4:50.1 | | +30.9s | 2 | 17 | 31. | 6. Seow Jit Fong | Malaya | 5:07.3 | | +48.1s | 7 | 18 | 38. |
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