How did jeffrey become known as maniac magge?

Jeffrey became known as "Maniac Magee" after his legendary feats and remarkable running skills in the novel by Jerry Spinelli. He earned the nickname due to his extraordinary ability to run fast, his fearless attitude, and his adventures that challenged societal norms and racial divides in the town of Two Mills. His story captures themes of courage, friendship, and the search for belonging. The nickname reflects both his impressive talents and the wild, almost mythical nature of his journey.