With athletes, it's never fully understood the level to which we push ourselves. Especially in an endurance sport.

With athletes, it's never fully understood the level to which we push ourselves. Especially in an endurance sport.

对于运动员来说，我们从来没有完全理解我们对自己的要求有多高。尤其是在耐力运动中。

-- Clara Hughes 克拉拉·休斯