Parkour (sometimes abbreviated¹ to PK), or l'art du déplacement (the art of movement) is where participants jump, vault², and climb over obstacles in a fluid manner. It is a non-competitive way to move fluidly despite ones environment. It was developed by the French.

“跑酷”（有时缩写为PK），也称为“移动的艺术”，指参与者用跳跃、跨越或者攀爬等一系列流畅的动作通过障碍物的一种运动。这是用一种非竞技性的方式在现有环境中自由移动的运动，是由法国人发明的。

The object of parkour is to get from one place to another using only the human body and the objects in the environment. The obstacles can be anything in one's environment, but parkour is often seen practiced in urban areas because of the many suitable public structures available such as buildings and rails.

“跑酷”的目标是不借助任何仪器，仅凭借人体和现有环境中的物体从一个地点到达另一个地点。所在环境中的任何物体都可以成为障碍物，不过“跑酷”运动经常会在城区内进行，因为建筑物和轨道等公共设施都是很适合的障碍物。

The term freerunning is sometimes used interchangeably with parkour. While freerunning is more to do with expressing yourself within your environment, parkour is aiming to get from A to B the fastest.

有时，“跑酷”也用freerunning来表示。但其实二者有所不同，freerunning（自由奔跑）强调的是在环境中表达和展现自我，而“跑酷”强调的是用最快的速度从A处到达B处。