The game included three events: full marathon, half marathon and 5 kilometer mini marathon.
比賽包括全程馬拉松、半程馬拉松和5公里迷你馬拉松三個項目。
It's half a kilometer away from here.
離這兒半公里遠。
Then he and his wife entered a five-kilometer race.
后來，他和他的妻子參加了5千米的比賽。
His goal was to extend the 20 meters to a kilometer.
他的目標是從20米延長到1千米。