The boys' 400 metres competition at the 2018 Summer Youth Olympics was held on 11 and 14 October, at the Parque Polideportivo Roca.

Schedule All times are in local time (UTC-3). Date Time RoundThursday, 11 October 2018 17:20Stage 1 Sunday, 14 October 2018 16:10Stage 2 Results Stage 1

Rank Heat Lane Athlete Nation Result Notes 1 2 2 Luis Avilés 47.45 QH4 2 4 2 Nicholas Ramey 47.60 QH4 3 4 8 Ilyas Çanakçi 47.96 QH4 4 1 7 Kennedy Luchembe 47.98 QH4 5 4 7 Dilan Bogoda 48.52 QH4, 6 3 7 Lorenzo Benati 48.58 QH4 7 1 4 Yefim Tarassov 48.93 QH4, 8 1 2 Solomon Diafo 49.08 QH4 9 3 4 Bernat Erta 49.18 QH3 10 2 7 Keegan Bell 49.58 QH3 11 1 3 Junior Rouse 50.33 QH3 12 2 5 Douglas Hernandes Mendes da Silva 50.39 QH3 13 3 5 Gnanzou Desire Kodjo 50.47 QH3 14 1 6 Wang Yu-hsuan 50.82 QH3 15 3 2 Raymond Oriakhi 51.01 QH2 16 4 4 Evaldo Whitehorne 51.55 QH2 17 3 3 Potchara Petchkaew 51.81 QH2 18 3 6 Bernard Olesitse 52.04 QH2 19 4 5 Dalitso Gunde 53.88 QH2 20 2 8 Christel Rakotomalala 54.31 QH2 21 1 5 Ludovic Ouceni 58.15 QH1 4 6 Clevonte Lodge-Bean QH1 2 6 Malik John QH1 2 4 Jared Sylvester QH1 4 3 Yusuf Anan QH1 2 3 Berat Mustafa QH1

Stage 2 Rank Heat Lane Athlete Nation Result Notes 1 4 3 Kennedy Luchembe 46.36 2 4 6 Luis Avilés 46.78 3 4 4 Nicholas Ramey 47.27 4 4 5 Ilyas Çanakçi 47.82 5 4 7 Lorenzo Benati 48.00 6 3 4 Bernat Erta 48.13 7 4 2 Solomon Diafo 48.47 8 3 6 Douglas Hernandes Mendes da Silva 48.65 9 4 8 Dilan Bogoda 48.81 10 2 4 Bernard Olesitse 49.04 11 3 5 Keegan Bell 49.05 12 4 1 Yefim Tarassov 49.88 13 2 3 Raymond Oriakhi 50.01 14 3 3 Junior Rouse 50.37 15 3 7 Wang Yu-hsuan 50.54 16 2 6 Evaldo Whitehorne 50.93 17 3 8 Gnanzou Desire Kodjo 51.11 18 2 5 Potchara Petchkaew 51.19 19 1 7 Yusuf Anan 52.37 20 2 7 Christel Rakotomalala 52.88 1 4 Malik John 1 5 Jared Sylvester 2 8 Dalitso Gunde 1 6 Ludovic Ouceni 1 3 Clevonte Lodge-Bean 1 8 Berat Mustafa Final placing

Rank Athlete Nation Stage 1 Stage 2 Total Luis Avilés 47.45 46.78 1:34.23 Kennedy Luchembe 47.98 46.36 1:34.34 Nicholas Ramey 47.60 47.27 1:34.87 Ilyas Çanakçi 47.96 47.82 1:35.78 Lorenzo Benati 48.58 48.00 1:36.58 Bernat Erta 49.18 48.13 1:37.31 Dilan Bogoda 48.52 48.81 1:37.33 Solomon Diafo 49.08 48.47 1:37.55 Keegan Bell 49.58 49.05 1:38.63 10 Yefim Tarassov 48.93 49.88 1:38.81 11 Douglas Hernandes Mendes da Silva 50.39 48.65 1:39.04 12 Junior Rouse 50.33 50.37 1:40.70 13 Raymond Oriakhi 51.01 50.01 1:41.02 14 Bernard Olesitse 52.04 49.04 1:41.08 15 Wang Yu-hsuan 50.82 50.54 1:41.36 16 Gnanzou Desire Kodjo 50.47 51.11 1:41.58 17 Evaldo Whitehorne 51.55 50.93 1:42.48 18 Potchara Petchkaew 51.81 51.19 1:43.00 19 Christel Rakotomalala 54.31 52.88 1:47.19 Yusuf Anan 52.37 Dalitso Gunde 53.88 Ludovic Ouceni 58.15 Malik John Jared Sylvester Clevonte Lodge-Bean Berat Mustafa

External links Stage 1 results Stage 2 results Final Placing