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Records analysis of marathoners who have completed full courses more than 100 times
Journal of the Korean Data & Information Science Society 2021;32:641-56
Published online May 31, 2021;  https://doi.org/10.7465/jkdi.2021.32.3.641
© 2021 Korean Data and Information Science Society.

Ju Hyun Gil1 · Yoon Hee Lee2 · Chong Sun Hong3 · Tae Gyu Oh4 · Se Hyeon Oh5

12Power Institute of Health & Sports Science
345Sungkyunkwan University
Correspondence to: 1 Director, Power Institute of Health & Sports Science, 66, Seongsui-ro, Seongdong-gu, Seoul 04784, Korea.
2 CEO, Power Institute of Health & Sports Science, 66, Seongsui-ro, Seongdong-gu, Seoul 04784, Korea.
3 Corresponding author: Professor, Department of Statistics, Sungkyunkwan University, 25-2, Sungkyunkwan-Ro, Jongno-Gu, Seoul 03063, Korea. E-mail: cshong@skku.edu
4 Graduate student, Department of Statistics, Sungkyunkwan University, Seoul 03063, Korea.
5 Graduate student, Department of Statistics, Sungkyunkwan University, Seoul 03063, Korea.
Received March 29, 2021; Revised April 20, 2021; Accepted April 29, 2021.
This is an Open Access article distributed under the terms of the Creative Commons Attribution Non-Commercial License (http://creativecommons.org/licenses/by-nc/3.0) which permits unrestricted non-commercial use, distribution, and reproduction in any medium, provided the original work is properly cited.
Abstract
The record that domestic amateur runners have completed marathon full courses more than 100 times are analyzed and explored in this work. We consider the gender, age, exercise period of the marathon from the first race and the number of finishes at the time data was collected. Then the average and best record of the individual as well as the duration of exercise and the number of finishes untill each individual’s best record are analyzed statistically. In order to consider the individual characteristics of the finisher, the one’s first record is set to 0. And the variations of the personal records after 100th finishes are analyzed. Among many results of this study, it is found that the personal record do not gradually worsen as the number of finishes increases and the length of exercise period increases.
Keywords : Best record, exercise period, finish records, number of finishes.