An athlete can use the SWOT matrix in the context of his sports career. He can question his strengths, the physical qualities in which he excels. In the other way, he can identify its weakness in order to correct them.
Opportunities (don't depend on him) are external factors such as international competition that allows to gain experience. The threats to an athlete are fristly injuries.
By analyzing these four elements, the athlete can target areas where he needs to improve his skills, opportunities that he must catch, threats that he must avoid in order to achieve his goals.