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.
(..) - Whoo! Uh! - Welcome back to the Dinoco . I'm Bob Cutlass, here with my good friend, Darrell Cartrip. We're midway through what may be an historic day for racing. Bob, my oil pressure's through the roof If this gets more exciting, they're gonna have to tow me outta the booth! Right, Darrell. (..)2006 Cars
(..) McQueen, that was a risky move, not taking tires. Tell me about it! Are you sorry you didn't have a crew chief out there? Oh, Kori. There's a lot more to racing than just winning. I mean, taking the race by a full lap... Where's the entertainment in that? I wanted to give folks a little sizzle. (..)2006 Cars