| Men 100m Freestyle Swimming II World Championship 1975 Cali, Colombia - Tuesday, 22nd July - Gold Medal: Andy Coan, United States | 
| Final |   | time |   | gap | L | ag |  | 1. Andy Coan |   United States | 51.25s |   |   | 4 | _ |  | 2. Vladimir Bure |   Soviet Union | 51.32s |   | +0.07s | 2 | 24 |  | 3. Jim Montgomery |   United States | 51.44s |   | +0.19s | 3 | 20 |  | 4. Peter Nocke |   West Germany | 52.15s |   | +0.90s | 6 | 19 |  | 5. Klaus Steinbach |   West Germany | 52.20s |   | +0.95s | 5 | 21 |  | 6. Marcello Guarducci |   Italy | 52.55s |   | +1.30s | 7 | 19 |  | 7. Roberto Pangaro |   Italy | 52.66s |   | +1.41s | 1 | 25 |  | 8. Robert Kasting |   Canada | 53.71s |   | +1.49s | 8 | 24 |   
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 Heats - Tuesday, 22nd July |  | Best 8 times advanced to Final>.  |   
| Heat 5 |   | time |   | gap | L | ag | Rk  |  | 3. Jim Montgomery |   United States | 52.13s |   | +0.90s | - | 20 | 1.  |  | 6. Marcello Guarducci |   Italy | 52.61s |   | +1.38s | - | 19 | 2.  |  | 12.Jorge Delgado Jr |   Ecuador | 53.96s |   | +2.73s | - | 21 | 3.  |  | 16.Benoit Leffineur |   France | 54.44s |   | +3.21s | - | 17 | 4.  |  | 17.Rene Ecuyer |   France | 54.55s |   | +3.32s | - | 18 | 5.  |  | 20.Gianni Versari |   Panama | 54.77s |   | +3.54s | - | 17 | 6.  |  | 27.Gary Jameson |   Great Britain | 56.83s |   | +5.60s | - | _ | 7.  |   
| Heat 4 |   | time |   | gap | L | ag | Rk  |  | 1. Andy Coan |   United States | 51.23s |   |   | - | _ | 1.  |  | 7. Roberto Pangaro |   Italy | 53.06s |   | +1.83s | - | 25 | 2.  |  | 10.Rui Oliveira |   Brazil | 53.93s |   | +2.70s | - | 22 | 3.  |  | 21.Ulrich Bar |   East Germany | 55.47s |   | +4.24s | - | _ | 4.  |  | 29.Helmut Podolan |   Austria | 57.80s |   | +6.57s | - | 19 | 5.  |  | 30.Tomas Alberto Becerra |   Colombia | 57.91s |   | +6.68s | - | 21 | 6.  |   
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| Heat 3 |   | time |   | gap | L | ag | Rk  |  | 5. Vladimir Bure |   Soviet Union | 52.48s |   | +1.25s | - | 24 | 1.  |  | 8. Robert Kasting |   Canada | 53.35s |   | +2.12s | - | 24 | 2.  |  | 9. Georgijs Kulikovs |   Soviet Union | 53.92s |   | +2.69s | - | 28 | 3.  |  | 13.Jorge Comas Lopez |   Spain | 54.26s |   | +3.03s | - | 21 | 4.  |  | 15.Wilfried Hartung |   East Germany | 54.36s |   | +3.13s | - | 21 | 5.  |  | 24.Leonardo Parafita |   Argentina | 56.07s |   | +4.84s | - | _ | 6.  |  | 25.Helmuth Levy |   Colombia | 56.19s |   | +4.96s | - | 16 | 7.  |   
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| Heat 2 |   | time |   | gap | L | ag | Rk  |  | 4. Peter Nocke |   West Germany | 52.44s |   | +1.21s | - | 19 | 1.  |  | 14.Steve Pickell |   Canada | 54.27s |   | +3.04s | - | 17 | 2.  |  | 19.Graham Windeatt |   Australia | 54.76s |   | +3.53s | - | 20 | 3.  |  | 22.Brett Naylor |   New Zealand | 55.96s |   | +4.73s | - | 18 | 4.  |  | 26.Paul Jouanneau |   Brazil | 56.24s |   | +5.01s | - | 16 | 5.  |  | 28.Alfredo Mackliff |   Ecuador | 57.36s |   | +6.13s | - | _ | 6.  |  | 31.Chang-Cheng Lee |   Taiwan | 57.99s |   | +6.76s | - | _ | 7.  |   
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| Heat 1 |   | time |   | gap | L | ag | Rk  |  | 2. Klaus Steinbach |   West Germany | 51.93s |   | +0.70s | - | 21 | 1.  |  | 11.Stefan Georgiev |   Bulgaria | 53.95s |   | +2.72s | - | 19 | 2.  |  | 18.Toni Statelov |   Bulgaria | 54.57s |   | +3.34s | - | 25 | 3.  |  | 23.Guillermo Pacheco |   Peru | 56.07s |   | +4.84s | - | 20 | 4.  |   
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