For example, it would be the main energy contributor in an 800 m sprint, or a single shift in ice hockey. (shapesense.com)
As an example, the aerobic energy system would be the main energy contributor to a marathon runner. (shapesense.com)
I augmented the original question with 6 kinetic energy contributors / detractors in order to better understand the explanation of the advantage of braking in neutral. (mechanics.stackexchange.com)