The correct answer is EXTENDED METAPHOR.
Extended metaphor refers to a comparison between two things that are not alike, which continues throughout a series of sentences in a paragraph or in lines of poem. It is also called sustained metaphor and authors usually use it in order to create a clear comparison between two things.
Answer:
To me his words mean that although he may have been racing against people with more experience, he didn't feel at a disadvantage. He felt as though he was their equal, because age doesn't always matter.
