Event durations vary across different sports due to their inherent rules and structures. For instance, football games typically last about 90 minutes, including halftime, while basketball games run for 48 minutes of play, divided into quarters. In contrast, sports like marathon running do not have a set duration and can last several hours based on individual performance. Matches in sports such as tennis can also vary significantly in length depending on player skill and match format. Understanding these variations is crucial for fans, organizers, and participants alike.