How to time a sprint

Nowadays, large-scale competitions generally use electronic timing. In fact, the full name is: fully automatic photographic timing. When the starting gun was fired, the timing system started to work. When the athletes ran about 10 meters away from the finish line, the finish camera started to turn on and prepare to shoot. When the athletes crossed the finish line like a swarm, the camera captured them passing the finish line. Photo, and then use the end result interpretation system to determine the athlete's ranking and final score with accuracy to three decimal places. However, in the final announcement, only the last two digits are told, such as: 12 seconds 91. For athletes who hit the line almost at the same time, three decimal places will be used to determine the final ranking.