| Event: | Boys' 800 metres |
| Games: | 2018 Summer Youth |
| Venue: | Parque Polideportivo Roca |
| Date: | 13 October and 15 October 2018 |
| Competitors: | 25 |
| Nations: | 25 |
| Gold: | Tasew Yada |
| Goldnoc: | ETH |
| Silver: | Mohamed Ali Gouaned |
| Silvernoc: | ALG |
| Bronze: | Mehmet Çelik |
| Bronzenoc: | TUR |
| Prev: | 2014 |
| Next: | 2026 |
The boys' 800 metres competition at the 2018 Summer Youth Olympics was held on 13 and 15 October, at the Parque Polideportivo Roca.
All times are in local time (UTC-3).
| Date | Time | Round | ||||
|---|---|---|---|---|---|---|
| 13 October 2018 | 16:45 | Stage 1 | ||||
| style=background:lemonchiffon | 15 October 2018 | style=background:lemonchiffon | 15:20 | style=background:lemonchiffon | Stage 2 |
| Rank | Heat | Lane | Athlete | Nation | Result | Notes | |
|---|---|---|---|---|---|---|---|
| 1 | 3 | 4 | Tasew Yada | 1:49.38 | QH3 | ||
| 2 | 3 | 7 | Mohamed Ali Gouaned | 1:50.08 | QH3, | ||
| 3 | 1 | 5 | Mehmet Çelik | 1:50.83 | QH3 | ||
| 4 | 1 | 8 | Francis Leshoo Pesi | 1:50.85 | QH3 | ||
| 5 | 3 | 5 | Hamze Ali Hassan | 1:51.12 | QH3, | ||
| 6 | 2 | 4 | Mohamed Abouettahery | 1:51.17 | QH3 | ||
| 7 | 3 | 1 | Anthony Vlatko | 1:51.34 | QH3 | ||
| 8 | 3 | 6 | Athanase Vyizigiro | 1:52.27 | QH3 | ||
| 9 | 1 | 3 | Sreekiran Nandakumar | 1:52.42 | QH2 | ||
| 10 | 1 | 1 | Axel Vázquez Morales | 1:52.44 | QH2 | ||
| 11 | 1 | 2 | Elvin Josué Canales | 1:52.52 | QH2 | ||
| 12 | 1 | 6 | Eric Guzman | 1:52.82 | QH2 | ||
| 13 | 2 | 7 | Cristian Voicu | 1:53.05 | QH2 | ||
| 14 | 1 | 4 | Jenito Acirio Guezane | 1:53.22 | QH2, | ||
| 15 | 2 | 3 | Jakub Davidík | 1:53.75 | QH2 | ||
| 16 | 2 | 6 | Adam Masaczynski | 1:53.82 | QH2 | ||
| 17 | 2 | 2 | Paul Seyringer | 1:54.02 | QH2 | ||
| 18 | 3 | 2 | Pedro Tombolim de Souza | 1:54.45 | QH1 | ||
| 19 | 1 | 7 | Akoon Akoon Akoon Akoon | 1:54.54 | QH1 | ||
| 20 | 2 | 5 | Jovan Rosić | 1:55.14 | QH1, | ||
| 21 | 2 | 1 | João Peixoto | 1:56.93 | QH1 | ||
| 22 | 3 | 3 | Kimar Farquharson | 1:57.51 | QH1 | ||
| 23 | 3 | 3 | Manuel Jacinto Chivela | 1:58.08 | QH1 | ||
| 24 | 3 | 8 | Chester Durand | 2:06.49 | QH1, | ||
| 2 | 8 | Samer Ali Saleh Aljohar | QH1, |
| Rank | Heat | Lane | Athlete | Nation | Result | Notes | |
|---|---|---|---|---|---|---|---|
| 1 | 3 | 6 | Tasew Yada | 1:50.38 | |||
| 2 | 3 | 5 | Mehmet Çelik | 1:50.96 | |||
| 3 | 3 | 3 | Francis Leshoo Pesi | 1:51.02 | |||
| 4 | 3 | 7 | Mohamed Abouettahery | 1:51.03 | |||
| 5 | 3 | 8 | Hamze Ali Hassan | 1:51.55 | |||
| 6 | 3 | 4 | Mohamed Ali Gouaned | 1:51.66 | |||
| 7 | 1 | 7 | Kimar Farquharson | 1:52.09 | |||
| 8 | 3 | 1 | Athanase Vyizigiro | 1:52.78 | |||
| 9 | 1 | 1 | Samer Ali Saleh Aljohar | 1:53.05 | |||
| 10 | 2 | 4 | Eric Guzman | 1:53.46 | |||
| 11 | 2 | 3 | Axel Vázquez Morales | 1:53.84 | |||
| 12 | 2 | 2 | Adam Masaczynski | 1:54.17 | |||
| 13 | 2 | 7 | Cristian Voicu | 1:54.18 | |||
| 14 | 3 | 2 | Anthony Vlatko | 1:54.34 | |||
| 15 | 2 | 7 | Jenito Acirio Guezane | 1:54.72 | |||
| 16 | 2 | 8 | Jakub Davidík | 1:54.75 | |||
| 17 | 1 | 6 | Pedro Tombolim de Souza | 1:55.18 | |||
| 18 | 2 | 5 | Elvin Josué Canales | 1:56.24 | |||
| 19 | 1 | 8 | Manuel Jacinto Chivela | 1:58.20 | |||
| 20 | 1 | 3 | João Peixoto | 1:58.46 | |||
| 21 | 1 | 5 | Jovan Rosić | 2:01.76 | |||
| 22 | 2 | 1 | Paul Seyringer | 2:02.19 | |||
| 23 | 1 | 2 | Chester Durand | 2:03.38 | |||
| 24 | 2 | 6 | Sreekiran Nandakumar | 2:06.51 | |||
| 1 | 4 | Akoon Akoon Akoon Akoon |
| Rank | Athlete | Nation | Stage 1 | Stage 2 | Total | |
|---|---|---|---|---|---|---|
| Tasew Yada | 1:49.38 | 1:50.38 | 3:39.76 | |||
| Mohamed Ali Gouaned | 1:50.08 | 1:51.66 | 3:41.74 | |||
| Mehmet Çelik | 1:50.83 | 1:50.96 | 3:41.79 | |||
| Francis Leshoo Pesi | 1:50.85 | 1:51.02 | 3:41.87 | |||
| Mohamed Abouettahery | 1:51.17 | 1:51.03 | 3:42.20 | |||
| Hamze Ali Hassan | 1:51.12 | 1:51.55 | 3:42.67 | |||
| Athanase Vyizigiro | 1:52.27 | 1:52.78 | 3:45.05 | |||
| Anthony Vlatko | 1:51.34 | 1:54.34 | 3:45.68 | |||
| Axel Vázquez Morales | 1:52.44 | 1:53.84 | 3:46.28 | |||
| 10 | Eric Guzman | 1:52.82 | 1:53.46 | 3:46.28 | ||
| 11 | Cristian Voicu | 1:53.05 | 1:54.18 | 3:47.23 | ||
| 12 | Jenito Acirio Guezane | 1:53.22 | 1:54.72 | 3:47.94 | ||
| 13 | Adam Masaczynski | 1:53.82 | 1:54.17 | 3:47.99 | ||
| 14 | Jakub Davidík | 1:53.75 | 1:54.75 | 3:48.50 | ||
| 15 | Elvin Josué Canales | 1:52.52 | 1:56.24 | 3:48.76 | ||
| 16 | Kimar Farquharson | 1:57.51 | 1:52.09 | 3:49.60 | ||
| 17 | Pedro Tombolim de Souza | 1:54.45 | 1:55.18 | 3:49.63 | ||
| 18 | João Peixoto | 1:56.93 | 1:58.46 | 3:55.39 | ||
| 19 | Paul Seyringer | 1:54.02 | 2:02.19 | 3:56.21 | ||
| 20 | Manuel Jacinto Chivela | 1:58.08 | 1:58.20 | 3:56.28 | ||
| 21 | Jovan Rosić | 1:55.14 | 2:01.76 | 3:56.90 | ||
| 22 | Sreekiran Nandakumar | 1:52.42 | 2:06.51 | 3:58.93 | ||
| 23 | Chester Durand | 2:06.49 | 2:03.38 | 4:09.87 | ||
| Samer Ali Saleh Aljohar | 1:53.05 | |||||
| Akoon Akoon Akoon Akoon | 1:54.54 |