# Czech Republic at the 2011 World Aquatics Championships

Czech Republic competed at the 2011 World Aquatics Championships in Shanghai, China between July 16 and 31, 2011.

## Open water swimming
### Men

| Athlete | Event | Final | Final |
| Athlete | Event | Time | Position |
| Jan Pošmourný | Men's 5km | 56:35.9 | 20 |
| Jan Pošmourný | Men's 10km | 1:56:50.2 | 32 |
| Rostislav Vítek | Men's 10km | DNF | DNF |
| Rostislav Vítek | Men's 25km | DNF | DNF |
| Libor Smolka | Men's 25km | 5:13:20.1 | 10 |

### Women

| Athlete | Event | Final | Final |
| Athlete | Event | Time | Position |
| Jana Pechanová | Women's 5km | 1:00:47.4 | 10 |
| Jana Pechanová | Women's 10km | 2:02:13.8 | 7 |
| Jana Pechanová | Women's 25km | DNF | DNF |
| Silvie Rybářová | Women's 10km | 2:05:30.5 | 29 |
| Silvie Rybářová | Women's 25km | 5:29:51.3 | 9 |

## Swimming

Czech Republic qualified 9 swimmers.

### Men

| Athlete | Event | Heats | Heats | Semifinals | Semifinals | Final | Final |
| Athlete | Event | Time | Rank | Time | Rank | Time | Rank |
| Martin Verner | Men's 100m Freestyle | 49.52 | 28 | did not advance | did not advance | did not advance | did not advance |
| Květoslav Svoboda | Men's 800m Freestyle | 8:20.41 | 41 | | | did not advance | did not advance |
| Petr Bartůněk | Men's 50m Breaststroke | 27.86 | 12 Q | 27.87 | 15 | did not advance | did not advance |
| Petr Bartůněk | Men's 100m Breaststroke | 1:01.75 | 35 | did not advance | did not advance | did not advance | did not advance |
| Michal Rubáček | Men's 50m Butterfly | 24.59 | 31 | did not advance | did not advance | did not advance | did not advance |
| Jan Šefl | Men's 100m Butterfly | 53.97 | 37 | did not advance | did not advance | did not advance | did not advance |
| Jan Šefl | Men's 200m Butterfly | 2:01.34 | 34 | did not advance | did not advance | did not advance | did not advance |
| Jan Šefl Michal Rubáček Martin Verner Květoslav Svoboda | Men's 4 x 200m Freestyle Relay | 7:24.46 | 16 | | | did not advance | did not advance |

### Women

| Athlete | Event | Heats | Heats | Semifinals | Semifinals | Final | Final |
| Athlete | Event | Time | Rank | Time | Rank | Time | Rank |
| Simona Baumrtová | Women's 50m Backstroke | 29.37 | 30 | did not advance | did not advance | did not advance | did not advance |
| Simona Baumrtová | Women's 100m Backstroke | 1:02.71 | 30 | did not advance | did not advance | did not advance | did not advance |
| Simona Baumrtová | Women's 200m Backstroke | 2:13.48 | 24 | did not advance | did not advance | did not advance | did not advance |
| Petra Chocová | Women's 50m Breaststroke | 31.41 | 12 Q | 31.75 | 12 | did not advance | did not advance |
| Petra Chocová | Women's 100m Breaststroke | 1:08.58 | 15 Q | 1:08.40 | 13 | did not advance | did not advance |
| Martina Moravčíková | Women's 200m Breaststroke | 2:31.46 | 25 | did not advance | did not advance | did not advance | did not advance |
| Barbora Závadová | Women's 200m IM | 2:14.08 | 14 Q | 2:14.03 | 15 | did not advance | did not advance |
| Barbora Závadová | Women's 400m IM | 4:36.96 | 4 Q | | | 4:38.04 | 7 |

## Synchronised swimming

Czech Republic has qualified 2 athletes in synchronised swimming.

### Women

| Athlete | Event | Preliminary | Preliminary | Final | Final |
| Athlete | Event | Points | Rank | Points | Rank |
| Soňa Bernardová | Solo Free Routine | 85.630 | 12 Q | 85.230 | 12 |
| Soňa Bernardová Alžběta Dufková | Duet Technical Routine | 85.500 | 15 | did not advance | did not advance |
| Soňa Bernardová Alžběta Dufková | Duet Free Routine | 86.480 | 13 | did not advance | did not advance |