runner boxing

例句：

1. 1.She ran the first leg of the marathon in under two hours.
   她以不到两小时的时间完成了马拉松的首段。
2. 2. He's a great sprinter, capable of winning at any distance.
   他是个出色的短跑者，可以在任何距离上获胜。
3. 3.The runner was exhausted after the long race.
   赛跑者在长时间的比赛中筋疲力尽。