A good finishing in races is described as running through the finishing line. This means that the athlete maintains their speed and momentum until they completely cross the designated finishing line of the race. It is important for athletes to keep their focus and effort until the very end to achieve a strong finish. By running through the finishing line, athletes ensure that they complete the race in the most competitive and effective manner, maximizing their chances of achieving their best time or position. It demonstrates their determination, physical strength, and mental resilience to give their best effort until the race is officially completed.