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Are there limits to swimming world records?

A M Nevill1, G P Whyte, R L Holder

  • 1School of Sport, Performing Arts and Leisure, University of Wolverhampton, Wolverhampton, United Kingdom. a.m.nevill@wlv.ac.uk

International Journal of Sports Medicine
|May 31, 2007
PubMed
Summary

Swimming world records for men and women are plateauing, with speeds showing a consistent 10% gender gap. This trend mirrors running performances, suggesting a stable inequality in elite athletics.

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Area of Science:

  • Sports Science
  • Biomechanics
  • Performance Analysis

Background:

  • Athletic performance records often exhibit periods of rapid improvement followed by plateaus.
  • Previous research in running suggests a narrowing gender gap in world records over time.
  • Understanding trends in swimming performance is crucial for evaluating athlete development and training methodologies.

Purpose of the Study:

  • To determine if swimming world records are plateauing.
  • To analyze the trend in the gender-based performance gap in swimming.
  • To compare swimming record trends with those observed in running.

Main Methods:

  • Logistic curve fitting (flattened "S-shaped" curve) applied to world record speeds.
  • Analysis of 100-m, 200-m, and 400-m front-crawl data for men and women.
  • Non-linear least-squares regression used for speed data from 1957 to present.
  • Calculation of the Women's/Men's world record speed ratio.

Main Results:

  • Swimming world record speeds for both men and women are exhibiting a plateau.
  • The ratio of women's to men's world record speeds has remained stable at approximately 0.9.
  • A consistent 10% gender performance difference is observed in elite swimming, similar to running.

Conclusions:

  • Swimming world record speeds have plateaued after a period of accelerated growth in the 1960s-1970s.
  • The stable gender ratio suggests a persistent 10% inequality in swimming performance.
  • These findings align with observations in middle and long-distance running, indicating a potential universal gender performance gap in certain athletic disciplines.