Sports

Best women's world swimming records

Explore the most impressive women's world swimming records across various disciplines. This list highlights the fastest and most dominant performances by athletes in freestyle, backstroke, breaststroke, and butterfly events. Discover the historic milestones that have redefined the limits of speed in the water and celebrate the swimmers who have left their mark on sports history. Ideal for swimming fans and sports enthusiasts.

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  1. 1

    Sarah Sjostrom - 50m Freestyle (Long Course) (2023)

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    • Current world record holder in 50m freestyle

      (+4)

    Sarah Sjostrom's record in the 50m Freestyle remains the fastest official time in this event, showcasing her enduring speed. Set in 2023, it continues to be the benchmark for sprinters worldwide.

  2. 2

    Gretchen Walsh - 100m Butterfly (Long Course)

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    • Holds world record in 100m butterfly

      (+4)

    Gretchen Walsh's 100m Butterfly record is considered highly dominant, significantly surpassing previous records. Her performance demonstrates a new level of excellence in this challenging event.

  3. 3

    Regan Smith - 100m Backstroke (Long Course) (2024)

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    • Set new world record in women's 100m backstroke

      (+3)

    Regan Smith reclaimed the 100m Backstroke world record in 2024, setting a new standard for the event. Her achievement at the US Olympic Trials solidified her position as the top backstroker.

  4. 4

    Summer McIntosh - 400m Individual Medley (Long Course) (2025)

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    • Holds world record in 400m Individual Medley

      (+4)

    Summer McIntosh consistently breaks her own records in the 400m Individual Medley, demonstrating her current dominance. Her 2025 record further solidifies her as a leading force in this demanding event.

  5. 5

    Katie Ledecky - 1500m Freestyle (Long Course)

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    • Won six world titles in 1500m free

      (+3)

    Katie Ledecky holds the top-10 fastest times in the 1500m Freestyle, making her world record exceptionally strong. Her unparalleled dominance in this event suggests her record will stand for a considerable time.

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  7. 6

    United States - 4x100m Medley Relay (Long Course) (2025)

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    • Set a world record

      (+1)

    The U.S. team broke their own world record in the 4x100m Medley Relay in 2025, showcasing their continued excellence. This recent achievement makes it the fastest and most current time in this team event.

  8. 7

    Gretchen Walsh - 50m Freestyle (Short Course) (2024)

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    • Set new 50m Freestyle World Record (22.83 seconds)

      (+4)

    Gretchen Walsh's 50m Freestyle record in the short course pool was set in 2024, making it a very recent and current achievement. Her speed in the shorter format is equally impressive.

  9. 8

    Regan Smith - 100m Backstroke (Short Course) (2025)

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    • Tied her own world record in 100m backstroke

      (+4)

    Regan Smith's ability to equal her own 100m Backstroke world record in 2025 demonstrates consistent elite performance. This achievement underscores her sustained excellence in the short course format.

  10. 9

    Kate Douglass - 200m Breaststroke (Short Course) (2024)

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    • World record holder for short-course 200m breaststroke

      (+3)

    Kate Douglass consistently improved her 200m Breaststroke record, with her latest being in late 2024. Her repeated breaking of her own record signifies her continuous progression and dominance.