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Validity and reliability of a 1500-m lap time collection method using public videos

Mytton, Graham, Archer, David, St Clair Gibson, Alan, Thompson, Kevin and Renfree, Andrew (2013) Validity and reliability of a 1500-m lap time collection method using public videos. International Journal of Sports Physiology and Performance, 8 (6). pp. 692-694. ISSN 1555-0265

Item Type: Article


The collection of retrospective lap times from video footage is a potentially useful research tool to analyze the pacing strategies in any number of competitive events. The aim of this study was to validate a novel method of obtaining running split-time data from publically available video footage. Videos of the 1500-m men's final from the 2004 and 2008 Olympics, 2005 and 2009 World Championships, and 2010 European Championships were obtained from the YouTube Web site, and split times were collected from all competitors using frame-by-frame playback. The typical error of video split times ranged between 0.02 s and 0.11 s for the 4 laps when compared with official split times. Video finishing times were also similar to official finishing times (typical error of 0.04 s). The method was shown to be highly reliable with a typical error of 0.02 s when the same video was analyzed on 2 occasions separated by 8 mo. Video data of track races are widely available; however, camera angles are not always perpendicular to the start/finish line, and some slower athletes may cross the line after the camera has panned away. Nevertheless, the typical errors reported here show that when appropriate camera angles are available this method is both valid and reliable.

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Depositing User: David Archer


Item ID: 3567
ISSN: 1555-0265

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Catalogue record

Date Deposited: 26 Feb 2013 10:28
Last Modified: 18 Dec 2019 15:35


Author: Graham Mytton
Author: David Archer
Author: Alan St Clair Gibson
Author: Kevin Thompson
Author: Andrew Renfree

University Divisions

Faculty of Health Sciences and Wellbeing
Faculty of Health Sciences and Wellbeing > School of Nursing and Health Sciences


Sciences > Sport Sciences

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