The boys' 400 metres hurdles at the 2015 World Youth Championships in Athletics was held at the Estadio Olímpico Pascual Guerrero in Cali, Colombia on 15, 16 and 18 July 2015.
Records Prior to the competition, the following records were as follows. World Youth Best48.89Kingston, Jamaica 19 July 2002Championship Record49.01Ostrava, Czech Republic15 July 2007World Youth Leading51.34Basseterre, Saint Kitts and Nevis5 April 2015
Results Round 1 First 3 in each heat (Q) and the next 6 fastest (q) advance to the semifinals. Rank Heat Name Nationality Time Note 1 2 50.87 Q, 2 5 50.95 Q, 3 6 51.35 Q 4 4 51.70 Q, 5 4 52.09 Q 6 2 52.16 Q 7 2 52.38 Q, 8 4 52.68 Q, 9 3 52.71 Q, 10 1 52.73 Q, 11 4 52.83 q, 12 5 52.87 Q, 13 3 52.98 Q 14 1 52.99 Q 15 2 Kim Hyun-bin 53.01 q 16 1 53.13 Q, 17 3 53.14 Q 18 1 53.28 q, 19 3 53.35 q 20 6 53.46 Q 21 6 53.60 Q 22 6 53.62 q, 23 6 53.64 q 24 4 53.65 25 1 53.66 26 5 Huang Mingjian 53.68 Q 27 2 53.71 28 2 53.74 29 2 53.87 30 5 54.13 31 3 54.14 32 5 54.27 33 1 54.29 34 6 54.60 35 3 54.63 36 3 54.64 37 5 54.92 38 3 55.04 39 6 Quek Lee Yong 55.36 40 4 55.70 41 1 Wei Bin Ow Yeong 55.99 42 6 56.19 43 4 56.56 44 5 58.52 45 4 59.21 2 5 1
Semifinal First 2 in each heat (Q) and the next 2 fastest (q) advance to the final. Rank Heat Name Nationality Time Note 1 1 50.72 Q, 2 1 51.13 Q, 3 1 51.20 q, 4 2 51.21 Q 5 3 51.41 Q 6 3 51.92 Q, 7 2 51.96 Q, 7 3 51.96 q 9 2 52.33 10 1 52.38 11 1 52.39 12 3 Kim Hyun-bin 52.51 13 1 52.52 14 2 52.53 15 1 52.56 16 2 52.63 17 3 52.75 18 3 52.87 19 1 52.88 20 2 53.42 21 3 53.95 22 3 53.96 23 2 54.35 24 2 Huang Mingjian 57.79
Final
Rank Name Nationality Time Note 49.11 50.33 50.53 4 51.13 5 52.15 6 52.73 7
References