The standard number of holes on a golf course is eighteen. This convention is deeply rooted in the history of the sport and significantly impacts the structure and strategy of a typical round of golf. The length of a complete game, the endurance required, and the overall challenge are all influenced by this established number.
The prevalence of this standard is often attributed to the Old Course at St Andrews, Scotland. While there were initially 22 holes on the course, in 1764, the number was reduced to 18. Historians believe this change was implemented because early players found the first four holes to be too short and combined them into two. The resulting configuration offered a balanced and satisfying experience that gradually gained acceptance and was eventually emulated by other courses. This created a benchmark for the expected duration and complexity of a golf game, influencing the sports evolution.