Are you a professional marathoner?

你是职业的马拉松运动吗？

Paul Tergat, Kenyan professional marathoner

Paul Tergat 肯尼亚专业马拉松选手

He was a marathoner who could run miles and not be weary.

他还是一个马拉松运动员，能跑好多英里路而不疲倦。

The Marathoner ran at an average speed at the beginning of the race.

那位马拉松运动员开始时以中速赛跑。

To illustrate how Rapoport's formula works, I recruited a young marathoner, Erin Wyner.

为了说明拉波波特的公式如何工作，我招募了年轻的马拉松选手，埃林-怀纳。