A young woman is practicing on a track and field track, sprinting and high jumping over a high bar and landing on her feet while three men in the background are watching her practice.   The woman jumps again, this time sprinting a little bit faster.   The woman jumps again with a longer run up.   Another young woman in the background is jogging by.   The woman jumps again with an even longer run up and adds a small skip/hop to her initial run.     A man in the background is jogging on the field while another man stands and stretches his legs.   The woman doesn't clear the bar perfectly and it falls off of it's poles.   The woman jumps again with an even longer run up and a more powerful skip/hop to start her run.   The woman jumps again with the long run up and powerful skip at the beginning.