As any athlete continues in a program, the desire to achieve higher success will be present. Here are things you can do to continue to improve. Remember it always takes time.
Diet/ Nutrition
For nutrition specials check out these editions of Runner's World Mag.
Rest and Sleep
Form (Drills and strength)
Shoes
Be accountable and hold others to the same high standard
Be proud of your work, but always want more
Keep a Diary/Journal of all your runs, what you eat, and how much you sleep
Set Goals
To the Team
To your Goals
Consistent practices
Attitude
Hold yourself to a higher standard
Sprints
Long Jump/Triple Jump
High Jump
Throws
Mid Distance and Distance
Pole Vault
Relays
Multi-events