The heats for the Women's 100m Breaststroke race at the 2009 World Championships took place on Monday, 27 July (prelims and semifinals) and Tuesday 28 July (final) at the Foro Italico in Rome, Italy.

Records

Prior to this competition, the existing world and competition records were as follows:

Swimming at the 2009 World Aquatics Championships – Women's 100 metre breaststroke

The following records were established during the competition:

Swimming at the 2009 World Aquatics Championships – Women's 100 metre breaststroke

Results

Heats

Semifinals

Final

See also

Swimming at the 2007 World Aquatics Championships – Women's 100 metre breaststroke Swimming at the 2008 Summer Olympics – Women's 100 metre breaststroke

Swimming at the 2009 World Aquatics Championships – Women's 100 metre breaststroke

References

Women's 100m Breaststroke Preliminary results from the 2009 World Championships. Published by OmegaTiming.com (official timer of the '09 Worlds); retrieved 2009-07-28. Women's 100m Breaststroke Semifinals results from the 2009 World Championships. Published by OmegaTiming.com (official timer of the '09 Worlds); retrieved 2009-07-28. Women's 100m Breaststroke Final results from the 2009 World Championships. Published by OmegaTiming.com (official timer of the '09 Worlds); retrieved 2009-07-28.

Breaststroke Women's 100 m

2009 in women's swimming