相比跑步，竞走有什么优势？

What advantage does race walking have over running?

个人赛的例子是游泳，跑步，竞走。

Some examples of individual sports are swimming, running, and walking RACES.

我正在参加竞走义赛，请您捐款好吗？

Will you sponsor me for a charity walk I'm doing?

我在加利福尼亚州亨廷顿海滩摸黑出发跑步穿越美国，我是2011年洛杉矶到纽约竞走大赛为数不多的竞争者之一。

I set out in darkness on Huntington Beach in California to run across America, one of a handful of competitors in the LA to NY Footrace 2011.

这项运动的规则要求竞走运动员的膝盖在大部分的腿部摆动过程中保持笔直，一只脚始终与地面保持接触。

The sport's rules require that a race walker's knees stay straight through most of the leg swing and one foot remain in contact with the ground at all times.