| Men 100m Backstroke Swimming V World Championship 1986 Madrid, Spain - Friday, 22nd August - Gold Medal: Igor Polianski, Soviet Union | 
| Final |   | time |   | gap | L | ag | pts |  | Final |   | time |   | gap | L | ag | pts |  | 1. Igor Polianski |   Soviet Union | 55.58s | CR |   | 4 | 19 | 866  |  | 2. Dirk Richter |   East Germany | 56.49s |   | +0.91s | 3 | 21 | 825  |  | 3. Sergey Zabolotnov |   Soviet Union | 56.57s |   | +0.99s | 2 | 23 | 821  |  | 4. Mark Tewksbury |   Canada | 56.62s |   | +1.04s | 5 | 18 | 819  |  | 5. Frank Hoffmeister |   West Germany | 56.87s |   | +1.29s | 6 | 20 | 809  |  | 6. Frank Baltrusch |   East Germany | 57.02s |   | +1.44s | 8 | 22 | 802  |  | 7. Dan Veatch |   United States | 57.23s |   | +1.65s | 7 | 21 | 793  |  | 8. Mark Rhodenbaugh |   United States | 57.24s |   | +1.66s | 7 |   | 793  |   
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| Final |   | time |   | gap | L | ag |  | 9. Michael West |   Canada | 57.72s |   |   | 4 | 21 |  | 10.Edvard Edvardsson |   Iceland | 57.86s |   | +0.14s | 3 | 19 |  | 11.Georgi Mikhalev |   Bulgaria | 58.03s |   | +0.31s | 5 | 18 |  | 12.Thomas Lebherz |   West Germany | 58.31s |   | +0.59s | 7 | 23 |  | 13.Ricardo Aldabe |   Spain | 58.46s |   | +0.74s | 6 | 21 |  | 14.Frederic Delcourt |   France | 58.58s |   | +0.86s | 2 | 22 |  | 15.Charalambos Papanikolaou |   Greece | 58.83s |   | +1.11s | 1 | 17 |  | 16.Edsard Schlingemann |   Netherlands | 59.06s |   | +1.34s | 8 | 19 |   
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Heats - Friday, 22nd August | 
| Best 8 times advanced to Final. Next 8 to Final B. | 
| Heat 6 |   | time |   | gap | L | ag | Rk |  | 3. Dirk Richter |   East Germany | 56.84s |   | +0.75s | - | 21 | 1.  |  | 8. Michael West |   Canada | 57.53s |   | +1.44s | - | 21 | 2.  |  | 13.Frederic Delcourt |   France | 58.27s |   | +2.18s | - | 22 | 3.  |  | 22.Petro Staijman |   Netherlands | 59.31s |   | +3.22s | - |   | 4.  |  | 24.David Lim |   Singapore | 59.61s |   | +3.52s | - | 19 | 5.  |  | 30.Cristiano Azevedo |   Brazil | 1:00.37 |   | +4.28s | - |   | 6.  |  | 36.Sadri Ozun |   Turkey | 1:02.79 |   | +6.70s | - | 22 | 7.  |  | 39.Lee-Ta Lin |   Chinese Taipei | 1:05.42 |   | +9.33s | - |   | 8.  |   
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| Heat 5 |   | time |   | gap | L | ag | Rk |  | 1. Igor Polianski |   Soviet Union | 56.09s |   |   | - | 19 | 1.  |  | 7. Mark Rhodenbaugh |   United States | 57.48s |   | +1.39s | - |   | 2.  |  | 11.Edvard Edvardsson |   Iceland | 58.09s |   | +2.00s | - | 19 | 3.  |  | 16.Edsard Schlingemann |   Netherlands | 59.04s |   | +2.95s | - | 19 | 4.  |  | 20.Patrick Ferland |   Switzerland | 59.28s |   | +3.19s | - | 20 | 5.  |  | 28.Francisco Benitez |   Spain | 59.87s |   | +3.78s | - |   | 6.  |  | 41.Filippo Piva |   San Marino | 1:07.27 |   | +11.18s | - | 19 | 7.  |   
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| Heat 4 |   | time |   | gap | L | ag | Rk |  | 5. Sergey Zabolotnov |   Soviet Union | 57.09s |   | +1.00s | - | 23 | 1.  |  | 8. Frank Baltrusch |   East Germany | 57.53s |   | +1.44s | - | 22 | 2.  |  | 17.Ilias Malamas |   Greece | 59.07s |   | +2.98s | - | 20 | 3.  |  | 29.Michael Soderlund |   Sweden | 1:00.00 |   | +3.91s | - | 24 | 4.  |  | 31.Joaquin Rios |   Cuba | 1:00.42 |   | +4.33s | - |   | 5.  |  | 32.Ernesto Vila |   Mexico | 1:01.00 |   | +4.91s | - | 17 | 6.  |  | 34.Emad El-Shafei |   Egypt | 1:01.90 |   | +5.81s | - | 30 | 7.  |  | 35.Danilo Vicioso |   Dominicana | 1:02.22 |   | +6.13s | - |   | 8.  |   
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| Heat 3 |   | time |   | gap | L | ag | Rk |  | 2. Mark Tewksbury |   Canada | 56.73s |   | +0.64s | - | 18 | 1.  |  | 12.Ricardo Aldabe |   Spain | 58.22s |   | +2.13s | - | 21 | 2.  |  | 25.Hans Fredin |   Sweden | 59.69s |   | +3.60s | - | 20 | 3.  |  | 26.Pedro Soares |   Portugal | 59.76s |   | +3.67s | - |   | 4.  |  | 27.Giovanni Frigo |   Venezuela | 59.80s |   | +3.71s | - | 22 | 5.  |  | 37.Horst Niehaus |   Costa Rica | 1:03.27 |   | +7.18s | - | 18 | 6.  |   
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| Heat 2 |   | time |   | gap | L | ag | Rk |  | 4. Frank Hoffmeister |   West Germany | 57.00s |   | +0.91s | - | 20 | 1.  |  | 10.Georgi Mikhalev |   Bulgaria | 58.01s |   | +1.92s | - | 18 | 2.  |  | 15.Charalambos Papanikolaou |   Greece | 58.43s |   | +2.34s | - | 17 | 3.  |  | 20.Gary Binfield |   Great Britain | 59.28s |   | +3.19s | - | 20 | 4.  |  | 23.Neil Harper |   Great Britain | 59.35s |   | +3.26s | - | 21 | 5.  |  | 38.Sofiane Benchekor |   Algeria | 1:03.60 |   | +7.51s | - |   | 6.  |  | 42.Musharra Hosain Khan |   Bangladesh | 1:08.03 |   | +11.94s | - |   | 7.  |   
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| Heat 1 |   | time |   | gap | L | ag | Rk |  | 6. Dan Veatch |   United States | 57.32s |   | +1.23s | - | 21 | 1.  |  | 14.Thomas Lebherz |   West Germany | 58.39s |   | +2.30s | - | 23 | 2.  |  | 18.Alejandro Alvizuri |   Peru | 59.09s |   | +3.00s | - | 18 | 3.  |  | 19.Andrew Phillips |   Jamaica | 59.20s |   | +3.11s | - | 24 | 4.  |  | 33.Manuel Guzman |   Puerto Rico | 1:01.64 |   | +5.55s | - | 16 | 5.  |  | 40.Ronald Pickard |   US Virgin Islands | 1:07.23 |   | +11.14s | - | 16 | 6.  |   
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