Yes, if it has "like" or "as," it is a simile.
A metaphor
The literary term is a simile. A simile uses the word "like" or "as" to describe an object. In this case, the object (youth) is compared to a madman in the way he ran.
No. Bob ran like the wind is not a metaphor ,it is a simile because you used the words like the
cheetah
"We ran like we had golden shoes"
A simile is a comparison of two unlike things using like or as. Example: He ran like the wind, or she as fast as the wind.
He ran as fast as lightning
A simile is a form of figurative language in which you compare to things using the words "like" or "as." They ran as fast as cheetahs. She was as filthy as a pig fresh out of a mud puddle.
An example of a simile is, 'The girl was slow as molasses.'
A simile for quickly is he/she ran so quickly it seemed as if someone was chasing him/her!!!
Flee is basically leaving. So, they left you, they ran from you, they went away from you. Things like that.
The word that uses like or as is a simile. a simile is used to compare things that are alike. This is why it uses like or as in its sentence. example: The girl ran faster than a speed of lightening. The comparison in the sentence is the girl and the speed of lightening. The sentence was trying to justify that the girl ran very fast.