Under-18 athletics
Youth is a category of athletics in which athletes compete under the age of 18 years. Countries all around the world compete in athletics. World Youth Athletics Competitions are held every 2 years which contain the best Youth competitors in the world. Description and development. The principle behind the category is to introduce young people into athletics. Participators in the competitions in this class may be athletes who have not completed their eighteenth year on 31 December of the year the competition occurs.