Respuesta :
The answer is: It means "someone who has very little experience."
The word amateur refers to someone who engages in a sport without payment or a person who has just taken up a sport or activity. As a consequence, the sentence means that the runner is a beginner, so he does not possess a great deal of ability in running and runs more slowly than an expert.
Answer:
It means "someone who has very little experience."
Explanation: