原产地和环境条件与专业IRONMAN三项运动员表现的关联
Beat Knechtle1,2, Mabliny Thuany3, David Valero4
1Medbase St. Gallen Am Vadianplatz, Vadianstrasse 26, St. Gallen, 9001, Switzerland. beat.knechtle@hispeed.ch.
Scientific reports
|January 21, 2025
概括
专业的IRONMAN三项运动员通常来自美国,但最快的运动员来自瑞士. 最佳的比赛条件包括水温高于22°C和空气温度在19-26°C之间,以获得最快的IRONMAN时间.
科学领域:
- 运动科学 运动科学 运动科学
- 耐力运动分析 耐力运动分析
- 人类表现的人类表现.
背景情况:
- 精英IRONMAN三项运动员对地理起源的有限理解.
- 缺乏关于最快的IRONMAN比赛地点和最佳环境条件的数据.
- 需要确定影响专业IRONMAN三项比赛表现的因素.
研究的目的:
- 为了调查最快的专业IRONMAN三项运动员的地理起源.
- 为了确定全球最快的IRONMAN赛道.
- 为了确定精英IRONMAN比赛时间的最佳环境条件 (水和空气温度).
主要方法:
- 分析了来自58个国家的6,943个专业IRONMAN三项赛记录 (2002-2022年).
- 使用描述性统计和机器学习 (ML) 回归模型 (决策树,随机森林,XG提升).
- 独立变量包括性别,原产国,事件地点,水温和空气温度.
主要成果:
- 大多数运动员来自美国;最快的运动员来自瑞士.
- 最快的赛道被确定为IRONMAN巴西弗洛里亚诺波利斯,IRONMAN巴塞罗那和IRONMAN路易斯维尔.
- 最佳条件:水温>22°C,空气温度19-26°C. 男性的速度比女性快了0.8小时.
结论:
- 确定了专业IRONMAN三项运动员的关键地理热点和最快的比赛场地.
- 建立了最佳温度范围,以实现IRONMAN三项赛的最高性能.
- 机器学习模型有效地根据环境和人口因素预测了比赛时间.
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