Correct

泳道

/ yǒng dào / 
Strokes

Example

As a Noun

swimming lane

1
Wèimiǎn
卫冕
guànjūn
冠军
shì
是
zài
在
dìwǔ
第五
yǒngdào
泳道
  
。

The defending champion is swimming in Lane Five.