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.
(..) The X Tens are online. Gentlemen, I am now about to send a signal from this laptop through our local ISP... ...racing down fiber-optic cable at the speed of light to San Francisco... ...bouncing off a satellite in geosynchronous orbit to Lisbon, Portugal. Data packets will be handed off (..)2008 TvShow: The Big Bang Theory Title: The Cooper-Hofstadter Polarization Season: 1 Episode 9