What is the pentagon in the Olympics?

The term "pentagon" in the context of the Olympics typically refers to the sport of modern pentathlon, which combines five events: Fencing, swimming, equestrian show jumping, and a combined event of pistol shooting and cross-country running. This multi-discipline event tests a range of athletic skills and was introduced in the Olympics in 1912. Modern pentathlon aims to simulate the skills required by a soldier in the past, showcasing versatility and endurance.