What is javelin spears?

Javelin spears have been around for thousands of years and were primarily used as a weapon of war and hunting. They are typically made of wood, often with a metal tip, and can range in length from 2 to 3 meters. The weight of a javelin spear can vary depending on the type and purpose, but most modern javelins used in athletics competitions weigh between 600 and 800 grams for men and 500 and 600 grams for women. Javelin throwing is a sports discipline that requires strength, technique, and precision, and is included in Olympic and many other international competitions. In addition to athletic competitions, javelin throwing is also practiced in traditional sports and festivals in many cultures around the world.