1990 World Junior Championships in Athletics – Men's 100 metres
The men's 100 metres event at the 1990 World Junior Championships in Athletics was held in Plovdiv, Bulgaria, at Deveti Septemvri Stadium on 8 and 9 August.Medalists
Results
Final
9 August
Wind: +0.6m/s
| Rank | Name | Nationality | Time | Notes |
| Davidson Ezinwa | NGR | 10.17 | |
| Jason Livingston | UK | 10.25 | |
| Rodney Bridges | USA | 10.37 | |
| 4 | Jason John | UK | 10.40 | |
| 5 | Donovan Powell | JAM | 10.44 | |
| 6 | Damien Marsh | AUS | 10.46 | |
| 7 | Innocent Asonze | NGR | 10.50 | |
| 8 | Edgar Chourio | | 10.59 | |
Semifinals
9 AugustSemifinal 1
Wind: +2.1m/s
| Rank | Name | Nationality | Time | Notes |
| 1 | Innocent Asonze | NGR | 10.30 w | Q |
| 2 | Rodney Bridges | USA | 10.35 w | Q |
| 3 | Donovan Powell | JAM | 10.37 w | Q |
| 4 | Jason John | UK | 10.38 w | Q |
| 5 | Andrea Amici | ITA | 10.45 w | |
| 6 | Christian Konieczny | FRG | 10.50 w | |
| 7 | Peter Ogilvie | CAN | 10.54 w | |
| 8 | Stefaan Allemeersh | BEL | 10.63 w | |
Semifinal 2
Wind: +0.7m/s
| Rank | Name | Nationality | Time | Notes |
| 1 | Davidson Ezinwa | NGR | 10.30 | Q |
| 2 | Jason Livingston | UK | 10.35 | Q |
| 3 | Damien Marsh | AUS | 10.47 | Q |
| 4 | Edgar Chourio | | 10.49 | Q |
| 5 | Satoru Inoue | JPN | 10.57 | |
| 6 | Curtis Johnson | USA | 10.60 | |
| 7 | Konstantin Gromadskiy | URS | 10.65 | |
| 8 | Clinton Bufuku | | 11.52 | |
Quarterfinals
8 AugustQuarterfinal 1
Wind: -2.1m/s
| Rank | Name | Nationality | Time | Notes |
| 1 | Innocent Asonze | NGR | 10.49 | Q |
| 2 | Curtis Johnson | USA | 10.64 | Q |
| 3 | Christian Konieczny | FRG | 10.67 | Q |
| 4 | Peter Ogilvie | CAN | 10.75 | Q |
| 5 | Paul Henderson | AUS | 10.83 | |
| 6 | Giorgio Marras | ITA | 11.01 | |
| 7 | Plamen Stoyanov | | 11.04 | |
| 8 | Roman Galkin | URS | 11.05 | |
Quarterfinal 2
Wind: -1.4m/s
| Rank | Name | Nationality | Time | Notes |
| 1 | Davidson Ezinwa | NGR | 10.46 | Q |
| 2 | Damien Marsh | AUS | 10.57 | Q |
| 3 | Andrea Amici | ITA | 10.59 | Q |
| 4 | Jason John | UK | 10.59 | Q |
| 5 | Gilles Bogui | | 10.66 | |
| 6 | Patrick Mistocco | FRA | 10.73 | |
| 7 | Hirokazu Sato | JPN | 10.76 | |
| 8 | Laurent Kemp | LUX | 10.98 | |
Quarterfinal 3
Wind: +0.5m/s
| Rank | Name | Nationality | Time | Notes |
| 1 | Rodney Bridges | USA | 10.38 | Q |
| 2 | Jason Livingston | UK | 10.38 | Q |
| 3 | Edgar Chourio | | 10.53 | Q |
| 4 | Stefaan Allemeersh | BEL | 10.65 | Q |
| 5 | Jean-Olivier Zirignon | | 10.66 | |
| 6 | Joel Lamela | CUB | 10.72 | |
| 7 | José Carlos Rivas | ESP | 10.73 | |
| 8 | Christoph Pöstinger | AUT | 10.80 | |
Quarterfinal 4
Wind: -1.8m/s
| Rank | Name | Nationality | Time | Notes |
| 1 | Donovan Powell | JAM | 10.50 | Q |
| 2 | Satoru Inoue | JPN | 10.61 | Q |
| 3 | Konstantin Gromadskiy | URS | 10.67 | Q |
| 4 | Clinton Bufuku | | 10.68 | Q |
| 5 | Ricardo Greenidge | CAN | 10.69 | |
| 6 | Leonardo Prevot | CUB | 10.69 | |
| 7 | Reinaldo Santana | | 10.77 | |
| 8 | Peter Oldin | SWE | 10.80 | |
Heats
8 AugustHeat 1
Wind: -1.0m/s
| Rank | Name | Nationality | Time | Notes |
| 1 | Edgar Chourio | | 10.53 | Q |
| 2 | Damien Marsh | AUS | 10.66 | Q |
| 2 | Christian Konieczny | FRG | 10.66 | Q |
| 4 | Peter Ogilvie | CAN | 10.72 | Q |
| 5 | Jean-Olivier Zirignon | | 10.80 | q |
| 6 | Raymond Nelson | JAM | 10.87 | |
| 6 | Alexander Lack | GDR | 10.87 | |
| 8 | Getachew Legesse | | 11.10 | |
Heat 2
Wind: +2.0m/s
| Rank | Name | Nationality | Time | Notes |
| 1 | Davidson Ezinwa | NGR | 10.45 | Q |
| 2 | Jason John | UK | 10.53 | Q |
| 3 | Paul Henderson | AUS | 10.54 | Q |
| 4 | Reinaldo Santana | | 10.67 | Q |
| 5 | Laurent Kemp | LUX | 10.78 | q |
| 6 | Eugene Farrell | IRL | 10.85 | |
| 7 | Franck Zio | BUR | 11.11 | |
| 8 | Bothloke Shebe | LES | 11.21 | |
Heat 3
Wind: -0.1m/s
| Rank | Name | Nationality | Time | Notes |
| 1 | Rodney Bridges | USA | 10.50 | Q |
| 2 | Donovan Powell | JAM | 10.52 | Q |
| 3 | Giorgio Marras | ITA | 10.65 | Q |
| 4 | José Carlos Rivas | ESP | 10.66 | Q |
| 5 | Peter Oldin | SWE | 10.78 | q |
| 6 | Plamen Stoyanov | | 10.80 | q |
| 7 | Garib Tahir | SUD | 11.69 | |
Heat 4
Wind: -0.9m/s
| Rank | Name | Nationality | Time | Notes |
| 1 | Innocent Asonze | NGR | 10.43 | Q |
| 2 | Hirokazu Sato | JPN | 10.85 | Q |
| 3 | Christoph Pöstinger | AUT | 10.87 | Q |
| 4 | Ricardo Greenidge | CAN | 10.93 | Q |
| 5 | Darren Haddock | IRL | 10.99 | |
| 6 | Jari Haverinen | FIN | 11.03 | |
| 7 | Zepee Mberiuana | NAM | 11.10 | |
| 8 | Yeóryios Papadópoulos | GRE | 11.18 | |
Heat 5
Wind: -0.2m/s
| Rank | Name | Nationality | Time | Notes |
| 1 | Curtis Johnson | USA | 10.54 | Q |
| 2 | Andrea Amici | ITA | 10.58 | Q |
| 3 | Joel Lamela | CUB | 10.66 | Q |
| 4 | Roman Galkin | URS | 10.74 | Q |
| 5 | Torbjörn Eriksson | SWE | 10.88 | |
| 6 | Anninos Marcoullides | | 10.90 | |
| 7 | Konstadínos Koutsoumbas | GRE | 10.93 | |
| 8 | Martin Frick | LIE | 11.14 | |
Heat 6
Wind: +0.7m/s
| Rank | Name | Nationality | Time | Notes |
| 1 | Leonardo Prevot | CUB | 10.51 | Q |
| 2 | Satoru Inoue | JPN | 10.58 | Q |
| 3 | Stefaan Allemeersh | BEL | 10.62 | Q |
| 4 | Gilles Bogui | | 10.63 | Q |
| 5 | Adrian Bobb | TRI | 10.99 | |
| 6 | Aleksandar Popović | YUG | 11.01 | |
| 7 | Marvin Bennett | SKN | 11.21 | |
| 8 | Mark Sullivan | MLT | 11.77 | |
Heat 7
Wind: +0.4m/s
| Rank | Name | Nationality | Time | Notes |
| 1 | Jason Livingston | UK | 10.55 | Q |
| 2 | Konstantin Gromadskiy | URS | 10.60 | Q |
| 3 | Clinton Bufuku | | 10.66 | Q |
| 4 | Patrick Mistocco | FRA | 10.67 | Q |
| 5 | Julio César de Prado | ESP | 10.84 | |
| 6 | Alexander Rehm | FRG | 10.85 | |
| 7 | Adi Paz | ISR | 10.93 | |
| 8 | Marco Ortíz | BOL | 11.16 | |
Participation
According to an unofficial count, 55 athletes from 38 countries participated in the event.
