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World record progression 50 metres freestyle

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World record progression 50 metres freestyle
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The first world record in the men's 50 metres freestyle in long course (50 metres) swimming was recognized by the International Swimming Federation (FINA) in 1976. In short course (25 metres) swimming events the world's governing body recognizes world records since March 3, 1991.

The drop in world record times in 2008-2009 coincided with the introduction of polyurethane suits from Speedo (LZR, 50% polyurethane) in 2008 and by Arena (X-Glide), Adidas (Hydrofoil) and Italian swimming suit manufacturer Jaked (all 100% polyurethane) in 2009. FINA's ban on non-textile suit came into effect in January 2010.[1] FINA also released a list of approved suits.

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Graphic data for World Record Progression in Men and Women Swimming 50m-100m-200m Long and Short Course Butterfly-Backstroke-Breaststroke-Freestyle
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Men

Long course

More information #, Time ...
Legend: # – Record awaiting ratification by FINA;
Records not set in finals: h – heat; sf – semifinal; r – relay 1st leg; rh – relay heat 1st leg; b – B final; – en route to final mark; tt – time trial

Short course

More information #, Time ...
Legend: # – Record awaiting ratification by FINA;
Records not set in finals: h – heat; sf – semifinal; r – relay 1st leg; rh – relay heat 1st leg; b – B final; – en route to final mark; tt – time trial
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Women

Long course

More information #, Time ...
Legend: # – Record awaiting ratification by FINA;
Records not set in finals: h – heat; sf – semifinal; r – relay 1st leg; rh – relay heat 1st leg; b – B final; – en route to final mark; tt – time trial

Short course

More information #, Time ...
Legend: # – Record awaiting ratification by FINA;
Records not set in finals: h – heat; sf – semifinal; r – relay 1st leg; rh – relay heat 1st leg; b – B final; – en route to final mark; tt – time trial
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All-time top 25

Tables show data for two definitions of "Top 25" - the top 25 50 m freestyle times and the top 25 athletes:
- denotes top performance for athletes in the top 25 50 m freestyle times
- denotes lesser performances, still in the top 25 50 m freestyle times, by repeat athletes
- denotes top performance (only) for other top 25 athletes who fall outside the top 25 50 m freestyle times

Men long course

  • Correct as of April 2025[27]
More information Ath.#, Perf.# ...

Men short course

  • Correct as of December 2024[54]
More information Ath.#, Perf.# ...

Women long course

  • Correct as of December 2024[79]
More information Ath.#, Perf.# ...

Women short course

  • Correct as of December 2024[109]
More information Ath.#, Perf.# ...
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References

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