Stamina Building Exercises

I go to the Law Enforcement Training Academy March 14, and am wondering the best way to be prepared for the Fitness Portion of the Academy. Here are the requirements:
Activity
Minimum
1-1/2 Mile Run (in minutes)
13:29
Push ups (number)
38
Sit Ups (number)
26
Chin-ups (number)
1
Flexibility
17.8"
Agility Run
17.78 seconds
Stress Course
4:30 minutes
300 Meter Run
60 seconds
I have already been walking 3.5 miles a day, but really need to up my endurance so that I can mee the requirements, and no matter how hard I try I am not doing the push ups correctly... any advice will be greatly appreciated... thanks in advance...

Sat. Feb 20, 4:46pm

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