游泳的距离swimming distance

• 他们将横渡长江，泳程五公里。

  They will swim across the Yangtze River, a distance of five km.

• 届时，一百余名选手将在两千米的海上泳程、标准马拉松跑程上进行艰苦的角逐。

  When the time comes, over a hundred athletes will carry out an arduous struggle over a 2000m swim and a marathon run.

• 她在近两天两夜的泳程中的经历是艰苦卓绝的。

  Her experiences in the swim over the last two days and nights have been arduous in the extreme.