Deciding when to start in 100-m sprints at athletic world championships

Kae Mukai, Ryoji Onagawa, Takumi Tanaka, Katsumi Watanabe, Kazutoshi Kudo

Research output: Chapter in Book/Report/Conference proceedingConference contribution

Abstract

In sprint athletics, the reaction time (RT; the time from the start signal to running onset) is one of the important factors determining performance. As RT is shorter, performance (i.e., total time) would be better. However, when RT is less than or equal to 100 ms, it is considered the premature start under the current regulations, leading to disqualification. Therefore, athletes need to decide on reaction strategy with the trade-off between gain (i.e., benefits for performance) and loss (i.e., disqualification). We examined how the level of advance in competition rounds (heats, semifinals, and finals) would affect RTs in the men's 100-m races at the four World Championships in Athletics held between 2011 and 2017. Results showed that the RTs in semifinals were the shortest among three competition rounds. We interpreted the results in terms of the optimization of energic costs on RT selection toward the final and/or the particular psychological states imposed by the demand level of performance in the final round.

Original languageEnglish
Title of host publicationKST 2020 - 2020 12th International Conference on Knowledge and Smart Technology
PublisherInstitute of Electrical and Electronics Engineers Inc.
Pages191-194
Number of pages4
ISBN (Electronic)9781728144665
DOIs
Publication statusPublished - 2020 Jan
Event12th International Conference on Knowledge and Smart Technology, KST 2020 - Pattaya, Chonburi, Thailand
Duration: 2020 Jan 292020 Feb 1

Publication series

NameKST 2020 - 2020 12th International Conference on Knowledge and Smart Technology

Conference

Conference12th International Conference on Knowledge and Smart Technology, KST 2020
CountryThailand
CityPattaya, Chonburi
Period20/1/2920/2/1

Keywords

  • Contextual modulation
  • Reaction time
  • Sensorimotor decision-making under risk
  • Sprint athletics

ASJC Scopus subject areas

  • Artificial Intelligence
  • Computer Science Applications
  • Computer Vision and Pattern Recognition
  • Decision Sciences (miscellaneous)
  • Information Systems and Management

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  • Cite this

    Mukai, K., Onagawa, R., Tanaka, T., Watanabe, K., & Kudo, K. (2020). Deciding when to start in 100-m sprints at athletic world championships. In KST 2020 - 2020 12th International Conference on Knowledge and Smart Technology (pp. 191-194). [9059442] (KST 2020 - 2020 12th International Conference on Knowledge and Smart Technology). Institute of Electrical and Electronics Engineers Inc.. https://doi.org/10.1109/KST48564.2020.9059442