| Event: | Men's 200 metre backstroke |
| Competition: | 2011 World Aquatics Championships |
| Dates: | July 28, 2011 (heats and semifinals) July 29, 2011 (final) |
| Competitors: | 32 |
| Nations: | 26 |
| Win Value: | 1:52.96 |
| Gold: | Ryan Lochte |
| Goldnoc: | USA |
| Silver: | Ryosuke Irie |
| Silvernoc: | JPN |
| Bronze: | Tyler Clary |
| Bronzenoc: | USA |
| Prev: | 2009 |
| Next: | 2013 |
The men's 200 metre backstroke competition of the swimming events at the 2011 World Aquatics Championships was held on July 28 with the heats and the semifinals and July 29 with the final.
Prior to the competition, the existing world and championship records were as follows.
32 swimmers participated in 5 heats.[1]
| Rank | Heat | Lane | Name | Nationality | Time | Notes | |
|---|---|---|---|---|---|---|---|
| 1 | 2 | 4 | 1:56.32 | Q | |||
| 2 | 2 | 2 | 1:57.23 | Q | |||
| 3 | 4 | 3 | 1:57.30 | Q | |||
| 4 | 3 | 4 | 1:57.34 | Q | |||
| 5 | 3 | 5 | 1:57.37 | Q | |||
| 6 | 4 | 4 | 1:57.58 | Q | |||
| 7 | 2 | 3 | 1:57.62 | Q | |||
| 8 | 2 | 5 | 1:57.97 | Q | |||
| 9 | 4 | 7 | 1:58.10 | Q | |||
| 10 | 4 | 1 | 1:58.19 | Q | |||
| 11 | 3 | 8 | 1:58.21 | Q, NR | |||
| 12 | 3 | 2 | 1:58.26 | Q | |||
| 13 | 2 | 8 | 1:58.29 | Q | |||
| 14 | 4 | 2 | 1:58.30 | Q | |||
| 15 | 4 | 6 | 1:58.42 | Q | |||
| 16 | 1 | 5 | 1:58.48 | Q | |||
| 17 | 3 | 3 | 1:58.59 | ||||
| 18 | 1 | 6 | 1:58.73 | ||||
| 19 | 2 | 7 | 1:58.84 | ||||
| 20 | 3 | 1 | 1:59.08 | ||||
| 21 | 2 | 6 | 2:00.15 | ||||
| 22 | 1 | 3 | 2:00.44 | NR | |||
| 23 | 4 | 8 | 2:00.52 | ||||
| 24 | 3 | 6 | 2:00.74 | ||||
| 25 | 2 | 1 | 2:01.06 | ||||
| 26 | 1 | 4 | 2:01.13 | ||||
| 27 | 1 | 2 | 2:02.16 | ||||
| 28 | 1 | 7 | 2:03.68 | ||||
| 29 | 1 | 1 | 2:07.63 | ||||
| 30 | 1 | 8 | 2:12.22 | ||||
| – | 3 | 7 | DNS | ||||
| – | 4 | 5 | DNS |
The semifinals were held at 19:23.[2]
| Rank | Lane | Name | Nationality | Time | Notes | |
|---|---|---|---|---|---|---|
| 1 | 5 | 1:55.65 | Q | |||
| 2 | 3 | 1:55.96 | Q | |||
| 3 | 6 | 1:57.15 | Q | |||
| 4 | 7 | 1:57.96 | Q | |||
| 5 | 4 | 1:58.14 | ||||
| 6 | 1 | 1:58.56 | ||||
| 7 | 8 | 1:58.95 | ||||
| 8 | 2 | 1:59.45 |
| Rank | Lane | Name | Nationality | Time | Notes | |
|---|---|---|---|---|---|---|
| 1 | 4 | 1:56.00 | Q | |||
| 2 | 3 | 1:56.70 | Q | |||
| 3 | 6 | 1:57.97 | Q | |||
| 4 | 5 | 1:58.00 | Q | |||
| 5 | 2 | 1:58.08 | ||||
| 6 | 8 | 1:58.19 | ||||
| 7 | 1 | 1:59.77 | ||||
| 8 | 7 | 1:59.92 |
The final was held at 18:10.[3]
| Rank | Lane | Name | Nationality | Time | Notes | |
|---|---|---|---|---|---|---|
| 4 | 1:52.96 | |||||
| 5 | 1:54.11 | |||||
| 3 | 1:54.69 | |||||
| 4 | 6 | 1:56.39 | ||||
| 5 | 2 | 1:57.33 | ||||
| 6 | 8 | 1:57.36 | ||||
| 7 | 7 | 1:57.49 | ||||
| 8 | 1 | 1:57.82 |