against the clock Synonyms

against time at the highest speed in a race with time in a race against time in a great hurry at maximum speed at a breakneck pace before the ink is dry at warp speed as fast as possible at a gallop in a time-restricted manner as quick as a flash at running speed at rapid-fire pace at maximum level of speed at maximum capacity at full gallop at full force at breakneck pace at a fast speed at a fast pace like the wind in high gear in haste counterclockwise swiftly speedily rapidly quickly promptly hastily FAST cursorily hurriedly expeditiously in a hurry before you can say Jack Robinson at the double at full tilt at full throttle at full pelt at a rate of knots at a fast clip as quickly as possible briskly