You could say - a fast cheetah or a fast dolphin
Fast as flash speedy as lightning
As fast as a cheetah. All the athlete runners are fast cheetahs.
an cheeda ride
You could say - a fast cheetah or a fast dolphin
That is a simile though you do have a little rhyming and repetition with the "as" bits.
As fast as a cheetah. All the athlete runners are fast cheetahs.
a metaphor for fast
Rickey Henderson.
Road Runner: Funny and smart and fast Sonic: Fast Answer : Road Runner
He she is flash
fasted
A football coach might use a fast runner because if he wants to get a touchdown on the last four second or so the fast runner might make it on time and then they might win.