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Increased Variability of Lap Speeds Differentiate Medallists and Non-Medallists in Middle Distance Running and Swimming Events.

Mytton, G.J. and Archer, D.T. and Turner, L. and Skorski, S. and Renfree, Andrew and Thompson, K.G. and St Clair Gibson, Alan (2015) Increased Variability of Lap Speeds Differentiate Medallists and Non-Medallists in Middle Distance Running and Swimming Events. International Journal of Sports Physiology and Performance, 10 (3). pp. 369-373. ISSN Print: 1555-0265 Online: 1555-0273

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Abstract

Purpose: Previous literature has presented pacing data of groups of competition finalists. The aim of this study was to analyse the pacing patterns displayed by medallists and non-medallists in international competitive 400-m swimming and 1500-m running finals. Methods: Split times were collected from 48 swimming finalists (four 100-m laps) and 60 running finalists (4 laps) in international competitions between 2004 and 2012. Using a cross sectional design, lap speeds were normalised to whole race speed and compared to identify variations of pace between groups of medallists and non-medallists. Lap speed variations relative to the gold medallist were compared for the whole field. Results: In 400-m swimming the medallist group demonstrated greater variation in speed than the non-medallist group, being relatively faster in the final lap (p<0.001; moderate effect) and slower in laps one (p=0.03; moderate effect) and two (p>0.001; moderate effect). There were also greater variations of pace in the 1500-m running medallist group compared to the non-medallist group with a relatively faster final lap (p=0.03; moderate effect) and slower second lap (p=0.01; small effect). Swimming gold medallists were relatively faster than all other finalists in lap 4 (p=0.04) and running gold medallists were relatively faster than the 5th to 12th placed athletes in the final lap (p=0.02). Conclusions: Athletes that win medals in 1500-m running and 400-m swimming competitions show different pacing patterns from non-medallists. End spurt speed increases are greater with medallists, who demonstrate a slower relative speed in the early part of races but a faster speed during the final part of races compared to non-medallists.

Item Type: Article
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This version of the article is "as accepted for publication"

Uncontrolled Keywords: sports performance, pacing, medallist, middle distance running, swimming
Subjects: Q Science > QP Physiology
Divisions: Academic Departments > Institute of Sport and Exercise Science
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Depositing User: Andrew Renfree
Date Deposited: 30 Oct 2014 10:24
Last Modified: 15 Jan 2016 16:59
URI: https://eprints.worc.ac.uk/id/eprint/3430

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