Fast - Able to move quickly.
Quick - Able to move fast or do something fast.
Swift - Moving quickly.
Speedy - Happening very quickly.
Nimble - Able to move quickly and easily.
Brisk - Moving or acting quickly.
High-speed - Moving or operating very quickly.
Agile - Able to move quickly and easily.
Deft - Deft movements are made quickly and with skill.
At full speed/tilt/pelt/throttle - As fast as possible.
Against the clock - If you run, swim, etc, against the clock, you are running, swimming, etc for a particular distance as fast as possible.
At a run - At the speed that you move when you run.
Blistering - Used for emphasizing the force or speed with which something is done.
Crisp - A crisp movement is quick and accurate.
Deft - Moving quickly and with skill.
Fleet - Able to move fast.
Flying - Moving fast through the air as a result of an explosion or of being thrown.
Frenetic - Done very fast and with lots of energy, often by someone who is in a hurry.
Furious - Very fast.
Nippy - Able to run or move quickly.
Pacy - Moving very fast, or full of action and excitement.
Runaway - A runaway vehicle or animal is moving fast without anyone controlling it.
Seething - Moving around quickly.
Smart - A smart movement is quick and full of force or energy.
Speeding - Moving very fast.
Speedy - Capable of moving very fast.
Strong - Moving at a high speed.
Subsonic - Slower than the speed of sound.
Winged - Moving fast.
Zippy - Able to move very quickly.
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Writing tips
RandomThis book contains -Words to use instead of said, says, went, etc -Personalities -Characteristics - words to describe movement, looks, body language and more. and a whole lot of other things.