Has javelin changed in the past?

Yes, javelin has undergone significant changes over the years, particularly in design and materials. Initially, javelins were made from wood and had varying weights and lengths, but modern javelins are crafted from metal and composite materials for enhanced aerodynamics and durability. Additionally, the specifications for javelin weight and length have evolved, particularly after the 1986 rule change that altered the javelin's center of gravity to ensure more consistent performance. These changes have impacted throwing techniques and competitive standards in the sport.