| Boys' 400 metres at the III Summer Youth Olympic Games | ||||||||||
|---|---|---|---|---|---|---|---|---|---|---|
| Venue | Parque Polideportivo Roca | |||||||||
| Date | 11 October and 14 October 2018 | |||||||||
| Competitors | 25 from 25 nations | |||||||||
| Medalists | ||||||||||
| ||||||||||
The boys' 400 metres competition at the 2018 Summer Youth Olympics was held on 11 and 14 October, at the Parque Polideportivo Roca.
All times are in local time (UTC-3).
| Date | Time | Round |
|---|---|---|
| Thursday, 11 October 2018 | 17:20 | Stage 1 |
| Sunday, 14 October 2018 | 16:10 | Stage 2 |
| Rank | Heat | Lane | Athlete | Nation | Result | Notes |
|---|---|---|---|---|---|---|
| 1 | 4 | 3 | Kennedy Luchembe |  Zambia | 46.36 | |
| 2 | 4 | 6 | Luis Antonio Avilés Ferreiro |  Mexico | 46.78 | |
| 3 | 4 | 4 | Nicholas Ramey |  United States | 47.27 | |
| 4 | 4 | 5 | Ilyas Çanakçi |  Turkey | 47.82 | |
| 5 | 4 | 7 | Lorenzo Benati |  Italy | 48.00 | |
| 6 | 3 | 4 | Bernat Erta |  Spain | 48.13 | |
| 7 | 4 | 2 | Solomon Diafo |  Ghana | 48.47 | |
| 8 | 3 | 6 | Douglas Hernandes Mendes da Silva |  Brazil | 48.65 | |
| 9 | 4 | 8 | Dilan Bogoda |  Sri Lanka | 48.81 | |
| 10 | 2 | 4 | Bernard Olesitse |  Botswana | 49.04 | |
| 11 | 3 | 5 | Keegan Bell |  Australia | 49.05 | |
| 12 | 4 | 1 | Yefim Tarassov |  Kazakhstan | 49.88 | |
| 13 | 2 | 3 | Raymond Oriakhi |  Bahamas | 50.01 | |
| 14 | 3 | 3 | Junior Rouse |  Saint Kitts and Nevis | 50.37 | |
| 15 | 3 | 7 | Wang Yu-hsuan |  Chinese Taipei | 50.54 | |
| 16 | 2 | 6 | Evaldo Whitehorne |  Jamaica | 50.93 | |
| 17 | 3 | 8 | Gnanzou Desire Kodjo |  Ivory Coast | 51.11 | |
| 18 | 2 | 5 | Potchara Petchkaew |  Thailand | 51.19 | |
| 19 | 1 | 7 | Yusuf Anan |  Bahrain | 52.37 | PB |
| 20 | 2 | 7 | Christel Rakotomalala |  Madagascar | 52.88 | |
| 1 | 4 | Malik John |  British Virgin Islands | DQ | R 163.3a | |
| 1 | 5 | Jared Sylvester |  Grenada | DQ | R 163.3a | |
| 2 | 8 | Dalitso Gunde |  Malawi | DQ | R 163.3a | |
| 1 | 6 | Ludovic Ouceni |  France | DNS | ||
| 1 | 3 | Clevonte Lodge-Bean |  Bermuda | DNS | ||
| 1 | 8 | Berat Mustafa |  Macedonia | DNS |
The 2009–10 Tour de Ski was the 4th edition of the Tour de Ski and took place 1–10 January 2010. The race started in Oberhof, Germany, and ended in Val di Fiemme, Italy. The defending champions was Switzerland's Dario Cologna for the men and Finland's Virpi Kuitunen for the women. This year's event was won by Lukáš Bauer of the Czech Republic for the men and Poland's Justyna Kowalczyk for the women.
The Boys' 5000 metre walk competition at the 2018 Summer Youth Olympics was held on 11 and 15 October, at the Parque Polideportivo Roca.
The girls' pole vault competition at the 2018 Summer Youth Olympics was held on 11 and 14 October, at the Parque Polideportivo Roca.
The girls' long jump competition at the 2018 Summer Youth Olympics was held on 11 and 14 October, at the Parque Polideportivo Roca.
The girls' 100 metre hurdles competition at the 2018 Summer Youth Olympics was held on 11 and 14 October, at the Parque Polideportivo Roca.
The girls' 800 metres competition at the 2018 Summer Youth Olympics was held on 11 and 14 October, at the Parque Polideportivo Roca.
The boys' high jump competition at the 2018 Summer Youth Olympics was held on 11 and 14 October, at the Parque Polideportivo Roca.
The girls' 400 metres competition at the 2018 Summer Youth Olympics was held on 11 and 14 October, at the Parque Polideportivo Roca.
The girls' high jump competition at the 2018 Summer Youth Olympics was held on 12 and 15 October at the Parque Polideportivo Roca.
The girls' triple jump competition at the 2018 Summer Youth Olympics was held on 13 and 16 October at the Parque Polideportivo Roca.
The boys' shot put competition at the 2018 Summer Youth Olympics was held on 12 and 15 October, at the Parque Polideportivo Roca.
The girls' hammer throw competition at the 2018 Summer Youth Olympics was held on 12 and 15 October, at the Parque Polideportivo Roca.
The boys' long jump competition at the 2018 Summer Youth Olympics was held on 12 and 15 October, at the Parque Polideportivo Roca.
The boys' 800 metres competition at the 2018 Summer Youth Olympics was held on 13 and 15 October, at the Parque Polideportivo Roca.
The boys' hammer throw competition at the 2018 Summer Youth Olympics was held on 12 and 15 October, at the Parque Polideportivo Roca.
The girls' 100 metres competition at the 2018 Summer Youth Olympics was held on 12 and 15 October, at the Parque Polideportivo Roca.
The boys' 100 metres competition at the 2018 Summer Youth Olympics was held on 12 and 15 October, at the Parque Polideportivo Roca.
The girls' shot put competition at the 2018 Summer Youth Olympics was held on 12 and 15 October, at the Parque Polideportivo Roca.
The boys' triple jump competition at the 2018 Summer Youth Olympics was held on 13 and 16 October at the Parque Polideportivo Roca.
The boys' javelin throw competition at the 2018 Summer Youth Olympics was held on 13 and 16 October at the Parque Polideportivo Roca.
