Predicting Elite Triathlon Performance: A Comparison of Multiple Regressions and Artificial Neural Networks A German group has studied what variables influence the competition time in an Olympic triathlon. They determine aspects of body construction as well as physiological variables based on a stress test.
The authors concluded the aspects of body construction such as shoulder and pelvic width and various physiological variables have an impact on the competition time. The evaluation can be found under https://sciendo.com/article/10.1515/ijcss-2017-0009