Classmate, what are the shortcuts and skills to run 800 meters in the physical education exam?

Get enough sleep the night before the exam and be sure to have breakfast in the morning. Don't eat too many eggs. You can try to take a sip of Dong Peng five minutes before running. Be careful, just take a sip and drink the rest after running. When running, if you have enough strength, you should take the lead, stride, inhale through your mouth, exhale through your nose, take a walk after running, don't sit down immediately, and drink the rest of Dong Peng while walking.

I am a girl, so I have always been an individual bully. This is the method used in the 800 entrance exam, 2: 30.