Whatever the reasons for getting involved, once one gets in, like in other sports, the goal becomes to challenge one's physical ability to the limit. For the athletes, what comes then is training, training, and more training.
不論當初投入的主客觀因素如何，一旦投入之後，和其他運動項目一樣，向體能極限挑戰就成為最大的目標，選手們能做的也就是練習、練習、再練習。