3个或更多跑步者为一组，以一路纵对的形式跑步。

Run in single file with a group of three or more runners.

youdao

我很乐意蹬着自行车转上一百公里的路，也常在冬天定期去滑雪场滑上三五十公里。尽管如此，我却不是个跑步爱好者。

Although I'll happily go on a 100 kilometer bicycle ride and in winter regularly skate-ski for 30 or 50 kilometers, I'm not much of a runner.

youdao