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.
U20 World Championships’ full history features all-time decathlon records and winners, spotlighting the most promising young athletes and their remarkable performances over the years.
Trościanka's performance included a world U20 decathlon best of 46,21 seconds in the 400 meters and a championship best of 68.87 meters in the javelin throw.
Hubert Trościanka made history at the European U20 Championships in Tampere, Finland, becoming the first athlete ever to surpass 8500 points in the U20 decathlon - rewarded with a new world record.