# 1986 World Junior Championships in Athletics – Men's 800 metres

The men's 800 metres event at the 1986 World Junior Championships in Athletics was held in Athens, Greece, at Olympic Stadium on 16, 17 and 18 July.

## Medalists

| Gold | David Sharpe United Kingdom |
| Silver | Manuel Balmaceda Chile |
| Bronze | Andriy Sudnik Soviet Union |

## Results
### Final

18 July
| Rank | Name | Nationality | Time |
| | David Sharpe | United Kingdom | 1:48.32 |
| | Manuel Balmaceda | Chile | 1:48.91 |
| | Andriy Sudnik | Soviet Union | 1:48.93 |
| 4 | Predrag Melnjak | Yugoslavia | 1:49.54 |
| 5 | Paul Williams | United Kingdom | 1:49.78 |
| 6 | Sergey Timofeyev | Soviet Union | 1:49.92 |
| 7 | Geoffrey Seurey | Kenya | 1:50.28 |
| 8 | George Kersh | United States | 1:50.41 |

### Semifinals

17 July

#### Semifinal 1

| Rank | Name | Nationality | Time | Notes |
| 1 | Andriy Sudnik | Soviet Union | 1:50.31 | Q |
| 2 | David Sharpe | United Kingdom | 1:50.38 | Q |
| 3 | John Ndhlovu | Zimbabwe | 1:50.60 | |
| 4 | Richard Brant | Canada | 1:50.67 | |
| 5 | Keiichiro Nakamura | Japan | 1:50.81 | |
| 6 | Anders Persson | Sweden | 1:51.67 | |
| 7 | Tadelle Abebe | Ethiopia | 1:52.38 | |
| 8 | Bouazza Noualla | Algeria | 1:52.42 | |

#### Semifinal 2

| Rank | Name | Nationality | Time | Notes |
| 1 | Predrag Melnjak | Yugoslavia | 1:48.25 | Q |
| 2 | Geoffrey Seurey | Kenya | 1:48.71 | Q |
| 3 | Sergey Timofeyev | Soviet Union | 1:48.95 | q |
| 4 | George Kersh | United States | 1:49.02 | q |
| 5 | Alexander Adam | West Germany | 1:49.88 | |
| 6 | Samir Benfarès | France | 1:50.76 | |
| 7 | Momouni Apiou | Côte d'Ivoire | 1:53.59 | |
| 8 | Cameron Orr | Australia | 1:56.04 | |

#### Semifinal 3

| Rank | Name | Nationality | Time | Notes |
| 1 | Manuel Balmaceda | Chile | 1:49.75 | Q |
| 2 | Paul Williams | United Kingdom | 1:50.03 | Q |
| 3 | Anthony Christie | Jamaica | 1:50.05 | |
| 4 | Marek Szymkowicz | Poland | 1:50.27 | |
| 5 | David Moore | United States | 1:50.66 | |
| 6 | Miroslav Chochkov | Bulgaria | 1:50.87 | |
| 7 | Bernd Müller | West Germany | 1:51.94 | |
| 8 | Joseph Meli Kiprobon | Kenya | 1:52.02 | |

### Heats

16 July

#### Heat 1

| Rank | Name | Nationality | Time | Notes |
| 1 | David Moore | United States | 1:49.82 | Q |
| 2 | Cameron Orr | Australia | 1:50.81 | Q |
| 3 | Anders Persson | Sweden | 1:51.04 | Q |
| 4 | Momouni Apiou | Côte d'Ivoire | 1:51.27 | q |
| 5 | Philippos Tandis | Greece | 1:52.39 | |
| 6 | Omar Ibrahim | Egypt | 1:53.07 | |
| 7 | Eduardo Cabrera | Mexico | 1:55.05 | |
| 8 | Momodou Bello N'Jie | Gambia | 1:55.24 | |

#### Heat 2

| Rank | Name | Nationality | Time | Notes |
| 1 | Andriy Sudnik | Soviet Union | 1:50.54 | Q |
| 2 | Keiichiro Nakamura | Japan | 1:50.57 | Q |
| 3 | Paul Williams | United Kingdom | 1:50.83 | Q |
| 4 | Alexander Adam | West Germany | 1:51.46 | q |
| 5 | Riccardo Cardone | Italy | 1:51.57 | |
| 6 | Honest Umbe | Tanzania | 1:51.60 | |
| 7 | Guillermo Ghersi | Peru | 1:56.32 | |
| 8 | Mahamat Nour Amdaye | Chad | 1:56.90 | |
| 9 | Sergio Iván Gómez | Guatemala | 1:59.01 | |

#### Heat 3

| Rank | Name | Nationality | Time | Notes |
| 1 | David Sharpe | United Kingdom | 1:51.49 | Q |
| 2 | Manuel Balmaceda | Chile | 1:51.51 | Q |
| 3 | Richard Brant | Canada | 1:51.56 | Q |
| 4 | Ado Maude | Nigeria | 1:51.69 | |
| 5 | Peter Hepworth | Australia | 1:52.75 | |
| 6 | Hossain Milzer | Bangladesh | 1:54.81 | |
| 7 | Lucien Simon | Antigua and Barbuda | 1:54.92 | |
| 8 | Alan Bunce | New Zealand | 1:54.92 | |

#### Heat 4

| Rank | Name | Nationality | Time | Notes |
| 1 | John Ndhlovu | Zimbabwe | 1:49.53 | Q |
| 2 | Predrag Melnjak | Yugoslavia | 1:49.86 | Q |
| 3 | Marek Szymkowicz | Poland | 1:50.09 | Q |
| 4 | Joseph Meli Kiprobon | Kenya | 1:50.58 | q |
| 5 | Santiago Gutiérrez | Spain | 1:53.37 | |
| 6 | Ricardo Morrison | Panama | 1:53.99 | |
| 7 | Moses Phiri | Zambia | 1:54.49 | |
| 8 | Mansour Al-Balushi | Oman | 1:56.17 | |

#### Heat 5

| Rank | Name | Nationality | Time | Notes |
| 1 | George Kersh | United States | 1:51.66 | Q |
| 2 | Sergey Timofeyev | Soviet Union | 1:51.72 | Q |
| 3 | Bernd Müller | West Germany | 1:51.82 | Q |
| 4 | António de Oliveira | Brazil | 1:51.96 | |
| 5 | Brahim El-Ghazali | Morocco | 1:52.56 | |
| 6 | Mitoshi Wada | Japan | 1:53.61 | |
| 7 | Patrick Haas | Austria | 1:54.66 | |
| 8 | Ingemar Sluis | Netherlands Antilles | 1:57.26 | |
| 9 | Bernard Henry | Saint Lucia | 2:00.22 | |

#### Heat 6

| Rank | Name | Nationality | Time | Notes |
| 1 | Geoffrey Seurey | Kenya | 1:50.13 | Q |
| 2 | Samir Benfarès | France | 1:50.79 | Q |
| 3 | Bouazza Noualla | Algeria | 1:51.13 | Q |
| 4 | Howard Jackson | Canada | 1:51.51 | |
| 5 | Joseph Sean | Trinidad and Tobago | 1:52.78 | |
| 6 | Saravanan Arjunan | Singapore | 1:59.05 | |

#### Heat 7

| Rank | Name | Nationality | Time | Notes |
| 1 | Anthony Christie | Jamaica | 1:51.22 | Q |
| 2 | Miroslav Chochkov | Bulgaria | 1:51.61 | Q |
| 3 | Tadelle Abebe | Ethiopia | 1:52.26 | Q |
| 4 | Fabio Di Vito | Italy | 1:52.85 | |
| 5 | Steinn Jóhannsson | Iceland | 1:56.72 | |

## Participation

According to an unofficial count, 53 athletes from 44 countries participated in the event.
* Algeria (1)
* Antigua and Barbuda (1)
* Australia (2)
* Austria (1)
* Bangladesh (1)
* Brazil (1)
* Bulgaria (1)
* Canada (2)
* Chad (1)
* Chile (1)
* Côte d'Ivoire (1)
* Egypt (1)
* Ethiopia (1)
* France (1)
* Gambia (1)
* Greece (1)
* Guatemala (1)
* Iceland (1)
* Italy (2)
* Jamaica (1)
* Japan (2)
* Kenya (2)
* Mexico (1)
* Morocco (1)
* Netherlands Antilles (1)
* New Zealand (1)
* Nigeria (1)
* Oman (1)
* Panama (1)
* Peru (1)
* Poland (1)
* Saint Lucia (1)
* Singapore (1)
* Soviet Union (2)
* Spain (1)
* Sweden (1)
* Tanzania (1)
* Trinidad and Tobago (1)
* United Kingdom (2)
* United States (2)
* West Germany (2)
* Yugoslavia (1)
* Zambia (1)
* Zimbabwe (1)