A standard men's javelin weighs 800 grams; a women's javelin weighs 600 grams. These specific weights are mandatory for officially sanctioned athletic competitions. Regulations ensure fair play and consistent performance measurement globally.

TL;DR

Professional javelins weigh 800g for men and 600g for women. These precise standards, maintained by World Athletics, ensure that elite performances remain comparable across global competitions. Weights for junior athletes are lighter to accommodate physical development and safety.

What Are the Official Javelin Weight Requirements?

Standard javelin weights are determined by gender and age category to maintain competitive integrity. World Athletics mandates that adult men throw a javelin weighing exactly 800 grams, whereas adult women throw a javelin weighing 600 grams. These regulations are essential for the decathlon and individual field events to ensure mathematical consistency in scoring and performance metrics. For those competing in track and field jerseys, readers should use the answer as practical guidance, then check the latest rules, availability, or product details before acting. That keeps the decision grounded in the current situation rather than a generic answer that may miss timing, league, or format changes. If the question involves equipment, venues, schedules, or eligibility, confirm the details at the point of purchase or registration.