Freshman and sophomore stage: the passing grade is 3 minutes and 44 seconds to 4 minutes and 34 seconds.
Elementary and advanced stage: the passing grade is 3 minutes and 42 seconds to 4 minutes and 32 seconds.
As a chubby girl from childhood, I have a good say in running 800. Let me talk about my method.
Sports equipment:
When I ran 800 meters past those thin girls, I found that most of them were wearing sports shoes or canvas shoes. In short, they are very heavy and inelastic shoes. They really drag their feet when running, and sports shoes are the most comfortable.
Pre-run training:
If you are overweight or don't exercise for a long time like me, you should train at least one week before running, and you don't have to run every day during the training week. Take a day off from running and run more than 800 laps at a time, so that your body can adapt to the state first.
The day before running, find your good friend who can pass the race to take you to run 800, count the time with your mobile phone, and chase her desperately when running!