Crossword puzzle clue "shortish race for short"

Shortish race, for short

Shortish documentary program, such as a "behind-the-scenes" or "making-of" segment on a DVD

Shortish check-in window?

Shortish tennis match

Shortish piano piece

“A ____ his race—the human race”: Joe Louis, according to Jimmy Cannon

Race cars and model race cars, for instance?

It may race during a race