She is 'racing against the clock' to be sure the assignment is handed in on time.
Her mind was 'racing'. [=she had many thoughts going quickly through her mind]
Researchers are 'racing (against time)' to find a cure.
(..) scrawny little bags of bones. Yeah, you're right. I guess Whirlwind is our only hope for a Merry Christmas. Attention, racing fans, we have a late scratch... in the fourth race. Number , Sir Galahad will be replaced by Santa's Little Helper. Once again, Sir Galahad has been (..)1989 TvShow: The Simpsons Title: Simpsons Roasting on an Open Fire Season: 1 Episode 1