When the U20 class was introduced, inconsistencies arose because some countries and competitions used different hurdle heights and shot weights than those specified by the IAAF, creating confusion.
Estonia has a deserved image of an e-country, but only a few know that one of the first to conquer the world in this field was Decathlon 2000! Being the best in your field is a very inspiring goal. Even small things can be big if you have knowledge and enthusiasm - Raul Rebane, communication consultant