Create a short term goal for your personal personal fitness plan. Create a long term goal for your personal fitness plan.
Create a detailed action plan for achieving your personal fitness goals.

Short Term: I will run 3 miles this week.

Long Term: I will run 3 miles every week for a year.

Action Plan: I will run one mile every Saturday at the park at 4:00. I will run one mile at the park every wednesday at 7:00. I will run one mile at the park every friday at 6:30. Thus running 3 miles every week. I will continue this pattern every week for a year.

Explanation:

A short term goal is achieved quickly.  A long term goal is when the finish line is farther away. A detailed plan is when and where.