Now we have a rolling race from 30 miles an hour.

现在我们进行从30英里每小时开始的滚动比赛。

What we're gonna do now is another rolling race.

我们现在要做的是另一场滚动比赛。

We will also have a running race and a hu la hoop rolling race.

我们有一个跑步比赛和呼啦圈滚动比赛。