| Final 20:27 | time | +time | L |   |  | 1. United States |    | 3:29.35 |   | 04 |  Stats |  | 2. Japan |    | 3:31.26 | +1.91s | 03 |  Stats |  | 3. Australia |    | 3:31.58 | +2.23s | 06 |  Stats |  | 4. Great Britain |    | 3:32.32 | +2.97s | 05 |  Stats |  | 5. Hungary |    | 3:33.02 | +3.67s | 01 |  Stats |  | 6. Germany |    | 3:33.06 | +3.71s | 07 |  Stats |  | 7. Netherlands |    | 3:33.46 | +4.11s | 02 |  Stats |  | 8. Canada |    | 3:34.19 | +4.84s | 08 |  Stats |   
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| Heat 1 | time | +time | L | Rk | React. |   |  | 1. Great Britain |    | 3:33.44 | - | 01 | 2. | 0.66 |  Times |  | 2. Australia |    | 3:33.73 | +0.29 | 04 | 4. | 0.64 |  Times |  | 3. Netherlands |    | 3:33.78 | +0.34 | 03 | 5. | 0.63 |  Times |  | 4. Canada |    | 3:34.46 | +1.02 | 02 | 8. | 0.64 |  Times |  | 5. China |    | 3:34.65 | +1.21 | 08 | 11. | 0.60 |  Times |  | 6. Russia |    | 3:34.94 | +1.50 | 07 | 12. | 0.64 |  Times |  | 7. Italy |    | 3:36.88 | +3.44 | 05 | 14. | 0.60 |  Times |  | 8. Brazil |    | 3:37.00 | +3.56 | 06 | 15. | 0.63 |  Times |   
| Heat 2 | time | +time | L | Rk | React. |   |  | 1. United States |    | 3:32.65 | - | 04 | 1. | 0.65 |  Times |  | 2. Japan |    | 3:33.64 | +0.99 | 03 | 3. | 0.57 |  Times |  | 3. Germany |    | 3:34.28 | +1.63 | 05 | 6. | 0.61 |  Times |  | 4. Hungary |    | 3:34.44 | +1.79 | 06 | 7. | 0.64 |  Times |  | 5. New Zealand |    | 3:34.52 | +1.87 | 02 | 9. | 0.56 |  Times |  | 6. France |    | 3:34.60 | +1.95 | 07 | 10. | 0.70 |  Times |  | 7. South Africa |    | 3:35.23 | +2.58 | 08 | 13. | 0.62 |  Times |  | 8. Poland |    | 3:38.16 | +5.51 | 01 | 16. | 0.64 |  Times |   
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| 12 Best WC 2011 | WC | Odds |  |  World 2011 Men 4x100m Medley Relay |  | 1. United States | 1 | 4/9 |  | 2. Australia | 2 | 4/1 |  | 3. Germany | 3 | 6/1 |  | 4. Italy | 11 |   |  | 5. Japan | 4 | 5/1 |  | 6. Netherlands | 5 | 20/1 |  | 10.Canada | 7 | 40/1 |  | 11.France | 9 | 33/1 |  | 12.Russia | 12 | 50/1 |  | 13.Poland | 8 |   |  | 14.Great Britain | 6 | 33/1 |  | 15.South Africa | 10 |   |   
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| Next best times | WC | Odds |  | 7. Hungary | 15 | 50/1 |  | 8. Brazil |   |   |  | 9. New Zealand |   | 66/1 |  | 16.China | 13 | 66/1 |   
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