Factors influencing pacing in triathlon For a triathlon, there are various factors with an impact on performance. The most important are the length of the competition resp.The duration, the dynamics of the race such as windshade driving and the influence by other athletes, then environmental factors such as currents, wind speeds and topography, then the change zones from swimming to cycling and cycling to run, age and gender. A very good compilation of these influencing factors can be found under https://www.dovepress.com/articles.php?article_id=18350