The heats for the women's 50 m butterfly race at the 2009 World Championships took place in the morning and evening of 31 July, with the final in the...

Swimming at the 2005 World Aquatics Championships – Women's 50 metre butterfly Swimming at the 2009 World Aquatics Championships – Women's 50 metre butterfly...

The women's 50 metre butterfly event at the 2001 World Aquatics Championships took place 26 July. The heats and semifinals took place 25 July, with the...

The women's 50 metre butterfly competition at the 2023 World Aquatics Championships was held on 28 and 29 July 2023. Prior to the competition, the existing...

The women's 50 metre butterfly competition of the swimming events at the 2011 World Aquatics Championships was held on July 29 with the heats and the...

The women's 50 metre butterfly event in swimming at the 2013 World Aquatics Championships took place on 2–3 August at the Palau Sant Jordi in Barcelona...

The Women's 50 metre butterfly competition of the swimming events at the 2015 World Aquatics Championships was held on 7 August with the heats and the...

The Women's 50 metre butterfly competition at the 2022 World Aquatics Championships was held on 23 and 24 June 2022. Prior to the competition, the existing...

The Women's 50 metre butterfly competition at the 2019 World Championships was held on 26 and 27 July 2019. Prior to the competition, the existing world...

history of the progression of the World Record for the Swimming event: the 50 butterfly. It is a listing of the fastest-time-ever in the event, in both...