Jill's life is a neverending ______ against time.
There is a ______ at the Zoo to find a name for the new cub.
Quality control is the only way to stay ahead of the _____.
Unlike the Le Mans event, the Daytona _____ is conducted entirely over a closed course.
No _____ is more demanding than the Marathon.
The _____ for jobs is unbelievable.