The age is between 15 and 18, and running 400 meters is generally within 1 min 5 seconds. About 58 seconds is fast.
18 years old, running 400 meters is generally within 1 minute. It will take about 55 seconds.
Within 53. 14 seconds for national second-class athletes.
The first level is within 49.60 seconds.
The athlete's time is 47.60 seconds.
45.74 seconds for international athletes.
400 meters is recognized as the most difficult event to practice in sports track, which is between sprint and middle and long distance running, and it is the most demanding event for athletes' physical fitness. In particular, the final 100-meter sprint is the maximum intensity work of human motor organs and internal organs under the condition of a lot of hypoxia, which belongs to extreme intensity exercise.
Chinese name: 400-meter run
Mbth: Run 400 meters.
Requirements: The requirements for athletes' physical quality are the most demanding.