World Men’s U20 Decathlon All-Time Lists
Aug 03, 2025
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.
Initially, according to IAAF rules, the hurdle height for juniors was 107 cm, but in some countries, metre-high hurdles were still used. What’s more, a 6.25 kg shot was sometimes used instead of the standard 6 kg one. All in all, it’s quite confusing.
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