I run so well I'm planning to enter some races.

我跑得如此快，正计划参加一些比赛。

《柯林斯英汉双解大词典》

In some races, that may happen.

在一些比赛中，那种情况可能会发生。

youdao

It didn't take long to enter some races there. I even ran my first marathon.

在那里我很快就参加到一些比赛中，甚至跑了我第一个马拉松。

youdao

There are also some races on tracks called road courses.

VOA: special.2009.04.10

Some people have argued there's a module for sociology, for dealing with human groups, races and classes and so on.

有些人认为大脑中存在一个社会学模块,用以面对各种人类团体,种族以及阶级等

耶鲁公开课 - 心理学导论课程节选

Some of the writers of the Harlem Renaissance criticized her for writing about black culture instead of relations between the races.

VOA: special.2009.02.22

For some races, the combination of water flowing west and wind blowing east creates a series of choppy five-foot waves.

WSJ: Before America's Cup Capsize, Concerns About Safety

As advertised, the winners were moderates, and some races indeed ended with two Republicans or two Democrats in the run-off.

ECONOMIST: Primaries in Washington state

"The team and the bike are great, so hopefully I can get stuck in and win some races, " he said.

BBC: Dan Kneen ready to take on BSB Evo challenge in 2011