An assistant track and field coach helps athletes improve their skills at various sports related to track and field events. These include cross-country, hurdles, discus throw, long jump, and races of various distances. As an assistant coach, your responsibilities include making sure athletes are training and practicing safely, preventing injuries and treating them when applicable. You may also help the coach develop team strategies for an upcoming track meet or cross-country race. As an assistant, you may have some administrative duties as well. While you may offer input on team strategies and choices, the head coach has the ultimate decision.