Gymkhana is a type of motorsport. Similar to autocross, the goal of gymkhana is to achieve the fastest time possible; memorizing the course is a significant part of achieving a fast time. The name is loaned from the equestrian discipline of gymkhana.
Below is a basic guide to gymkhana, produced by the JMRC Tokyo Gymkhana Subcommittee (Japanese only).
What is gymkhana? What do you do at practice events? These are questions commonly asked by newcomers. Here are the answers. (Sorry, videos are currently only available in Japanese)