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World Youth Championships: Ostrava, Czech Republic 15 years, 324 days [9] 110 m hurdles: 13.74 (−0.3 m/s) Kevin Craddock: 17 July 2004 World Junior Championships: Grosseto, Italy 17 years, 22 days 400 m hurdles (84 cm) 49.01 William Wynne: 15 July 2007 World Youth Championships: Ostrava, Czech Republic 17 years, 166 days [10] 400 m hurdles: 49.56
The first world record in the 400 m for men was recognized by the International Amateur Athletics Federation, now known as World Athletics, in 1912.The IAAF ratified Charles Reidpath's 48.2 s performance set at that year's Stockholm Olympics as a world record, but it also recognized the superior mark over 440 yards (402.336 metres) run by Maxie Long in 1900 as a world record.
For the two-mile run, they run 3200 meters. For the long-hurdle race, they run 300 meters instead of the 400 metres hurdles. Some states ran over lower hurdle heights for a period of time. In field events, boys throw different weights of their implements than with international open division or the more comparable junior-division implements.
A three-time title-winner at the United States Outdoor Track and Field Championships from 1996 to 1998, Bronson recorded one of the fastest 400-meter times in United States and world history ...
Sergey Bubka's 1993 pole vault world indoor record of 6.15 m was not considered to be a world record, because it was set before the new rule came into effect. Bubka's world record of 6.14 m, set outdoors in 1994, was surpassed 7 times indoors by two different men since 2000, most recently by Armand Duplantis in 2025 with a 6.27 m mark.
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400 metres ; 800 metres ; 1000 metres ; 1500 ... IAAF Statistics Book 2009 – World record progressions (Men's from page 202–222, women's from page 292–309)
World U20 records in the sport of athletics are ratified by World Athletics. Athletics records comprise the best performance of an athlete before the year of their 20th birthday. Technically, in all under 20 age divisions, the age is calculated "on December 31 of the year of competition" [1] to avoid age group switching during a competitive season.
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