relay
1.OK. Events on the track can be divided into several sections. On the flat, there are sprints, middle distance races and long distance races. There are also the 4×100 relay and the 4×400 relay. In addition, races are run over hurdles and barriers from 110meters. Extreme distance races include the marathon over 42 kilometers and the men`s 50 kilometers road walk.
好的.径赛项目可以分为若干类.平跑项目有短跑.中距离和长距离.还有4×100米接力和4×400米接力.此外.有跨栏和障碍赛跑.距离有110米兰到3000米障碍跑.超长距离径赛项目有马拉松.距离为42公里以上.还有男子50公里竞走.
