# 2003 World Championships in Athletics – Men's 100 metres

These are the official results of the men's 100 metres event at the 2003 IAAF World Championships in Paris, France. There were a total number of 79 participating athletes, with ten qualifying heats, four quarter-finals, two semi-finals and the final held on Monday 25 August 2003.
At 18 years, 318 days old, silver medallist Darrel Brown became the youngest ever world medallist for the men's 100 m.
The winning margin was 0.01 seconds which as of 2024 remains the joint-narrowest winning margin in the men's 100 metres at these championships. The other occurrence was in 2015.

## Final

| RANK | FINAL | TIME |
| | Kim Collins (SKN) | 10.07 |
| | Darrel Brown (TRI) | 10.08 |
| | Darren Campbell (GBR) | 10.08 |
| 4. | Bernard Williams (USA) | 10.13 |
| 5. | Deji Aliu (NGR) | 10.21 |
| 6. | Uchenna Emedolu (NGR) | 10.22 |
| — | Dwain Chambers (GBR) | (10.08) DQ |
| — | Tim Montgomery (USA) | (10.11) DQ |

## Semi-final

* Held on Monday 2003-08-25
| RANK | HEAT 1 | TIME |
| 1. | Bernard Williams (USA) | 10.11 |
| 2. | Uchenna Emedolu (NGR) | 10.15 |
| 3. | Kim Collins (SKN) | 10.16 |
| 4. | Nicolas Macrozonaris (CAN) | 10.27 |
| 5. | Eric Nkansah (GHA) | 10.39 |
| 6. | Nobuharu Asahara (JPN) | 10.42 |
| 7. | Mark Lewis-Francis (GBR) | 10.44 |
| — | Tim Montgomery (USA) | (10.14) DQ |
| RANK | HEAT 2 | TIME |
| 1. | Darrel Brown (TRI) | 10.11 |
| 2. | Darren Campbell (GBR) | 10.12 |
| 3. | Deji Aliu (NGR) | 10.14 |
| 4. | Dwight Thomas (JAM) | 10.19 |
| 5. | Ato Boldon (TRI) | 10.22 |
| 6. | Ronald Pognon (FRA) | 10.25 |
| 7. | Maurice Greene (USA) | 10.37 |
| 8. | Sherwin Vries (RSA) | 10.41 |
| — | Dwain Chambers (GBR) | (10.06) DQ |

## Quarter-finals

* Held on Sunday 2003-08-24
| RANK | HEAT 1 | TIME |
| 1. | Bernard Williams (USA) | 10.12 |
| 2. | Sherwin Vries (RSA) | 10.18 |
| 3. | Nobuharu Asahara (JPN) | 10.23 |
| 4. | Issa-Aimé Nthépé (FRA) | 10.25 |
| 5. | Leonard Myles-Mills (GHA) | 10.25 |
| 6. | Matthew Shirvington (AUS) | 10.28 |
| 7. | Gábor Dobos (HUN) | 10.34 |
| — | Tim Montgomery (USA) | DQ |
| RANK | HEAT 2 | TIME |
| 1. | Ato Boldon (TRI) | 10.09 |
| 2. | Uchenna Emedolu (NGR) | 10.13 |
| 3. | Nicolas Macrozonaris (CAN) | 10.16 |
| 4. | Ronald Pognon (FRA) | 10.23 |
| 4. | Dwight Thomas (JAM) | 10.23 |
| 6. | Patrick Johnson (AUS) | 10.27 |
| — | Jon Drummond (USA) | DQ |
| — | Asafa Powell (JAM) | DQ |
| RANK | HEAT 3 | TIME |
| 1. | Darrel Brown (TRI) | 10.01 |
| 2. | Darren Campbell (GBR) | 10.14 |
| 3. | Eric Nkansah (GHA) | 10.15 |
| 4. | Mark Lewis-Francis (GBR) | 10.18 |
| 5. | Georgios Theodoridis (GRE) | 10.25 |
| 6. | Michael Frater (JAM) | 10.25 |
| 7. | Matic Osovnikar (SLO) | 10.35 |
| 8. | Gennadiy Chernovol (KAZ) | 10.42 |
| RANK | HEAT 4 | TIME |
| 1. | Kim Collins (SKN) | 10.02 |
| 2. | Maurice Greene (USA) | 10.04 |
| 3. | Deji Aliu (NGR) | 10.04 |
| 4. | Obadele Thompson (BAR) | 10.14 |
| 5. | Édson Luciano Ribeiro (BRA) | 10.28 |
| 6. | Chen Haijian (CHN) | 10.32 |
| 7. | Roland Németh (HUN) | 10.40 |
| — | Dwain Chambers (GBR) | (10.03) DQ |

## Heats

Held on Sunday 2003-08-25
| RANK | HEAT 1 | TIME |
| 1. | Obadele Thompson (BAR) | 10.15 |
| 2. | Georgios Theodoridis (GRE) | 10.17 |
| 3. | Mark Lewis-Francis (GBR) | 10.17 |
| 4. | Jarbas Mascarenhas (BRA) | 10.36 |
| 5. | Darren Gilford (MLT) | 10.60 |
| 6. | Abubaker El Tawerghi (LBA) | 10.96 |
| 7. | Hadhari Djaffar (COM) | 11.05 |
| — | Roman Cress (MHL) | DNS |
| RANK | HEAT 2 | TIME |
| 1. | Bernard Williams (USA) | 10.19 |
| 2. | Sherwin Vries (RSA) | 10.20 |
| 3. | Gábor Dobos (HUN) | 10.22 |
| 4. | Nobuharu Asahara (JPN) | 10.23 |
| 5. | Souhalia Alamou (BEN) | 10.46 |
| 6. | Khalil Al-Hanahneh (JOR) | 10.81 |
| 7. | Patrick Mocci Raoumbé (GAB) | 11.03 |
| — | Vahagn Javakhyan (ARM) | DQ |
| RANK | HEAT 3 | TIME |
| 1. | Patrick Johnson (AUS) | 10.29 |
| 2. | Michael Frater (JAM) | 10.32 |
| 3. | Gennadiy Chernovol (KAZ) | 10.33 |
| 4. | Alexander Kosenkow (GER) | 10.36 |
| 5. | Idrissa Sanou (BUR) | 10.42 |
| — | Machave Maseko (SWZ) | DQ |
| — | Mohamad Tamim (LIB) | DQ |
| RANK | HEAT 4 | TIME |
| 1. | Darren Campbell (GBR) | 10.18 |
| 2. | Nicolas Macrozonaris (CAN) | 10.23 |
| 3. | Chen Haijian (CHN) | 10.31 |
| 4. | Kostyantyn Rurak (UKR) | 10.46 |
| 5. | Markus Pöyhönen (FIN) | 10.63 |
| 6. | Gian Nicola Berardi (SMR) | 10.84 |
| 7. | Reginaldo Micha Ndong (GEQ) | 11.47 |
| 8. | Devi Bahadur Basnet (NEP) | 11.47 |
| RANK | HEAT 5 | TIME |
| 1. | Darrel Brown (TRI) | 10.10 |
| 2. | Édson Luciano Ribeiro (BRA) | 10.20 |
| 3. | Suryo Agung Wibowo (INA) | 10.64 |
| 4. | Sayon Cooper (LBR) | 10.67 |
| 5. | JJ Capelle (NRU) | 11.49 |
| 6. | Kaewanteiti Mwatiera (KIR) | 11.86 |
| — | Tim Montgomery (USA) | (10.01) DQ |
| — | Jamal Abd. Al-Saffar (KSA) | DNS |
| RANK | HEAT 6 | TIME |
| 1. | Jon Drummond (USA) | 10.22 |
| 2. | Issa-Aimé Nthépé (FRA) | 10.30 |
| 3. | Matic Osovnikar (SLO) | 10.31 |
| 4. | Aziz Zakari (GHA) | 10.48 |
| 5. | Chiang Wai Hung (HKG) | 10.70 |
| 6. | Arben Makaj (ALB) | 10.87 |
| 7. | Djikoloum Mobele (CHA) | 11.38 |
| 8. | Assad Ahmadi (AFG) | 11.99 |
| RANK | HEAT 7 | TIME |
| 1. | Matthew Shirvington (AUS) | 10.30 |
| 2. | Roland Németh (HUN) | 10.37 |
| 3. | Prodromos Katsantonis (CYP) | 10.46 |
| 4. | Salem Mubarak Al-Yami (KSA) | 10.51 |
| 5. | Serge Bengono (CMR) | 10.56 |
| 6. | John Howard (FSM) | 11.08 |
| 7. | Nay Aung (MYA) | 11.37 |
| — | Dwain Chambers (GBR) | (10.33) DQ |
| RANK | HEAT 8 | TIME |
| 1. | Eric Nkansah (GHA) | 10.18 |
| 2. | Maurice Greene (USA) | 10.18 |
| 3. | Uchenna Emedolu (NGR) | 10.22 |
| 4. | Marc Burns (TRI) | 10.28 |
| 5. | Churandy Martina (AHO) | 10.35 |
| 6. | Xuan Tran Van (VIE) | 10.78 |
| 7. | Mohd Yusof Alias (SIN) | 11.02 |
| 8. | Mohammad Shamsuddin (BAN) | 11.18 |
| RANK | HEAT 9 | TIME |
| 1. | Asafa Powell (JAM) | 10.05 |
| 2. | Kim Collins (SKN) | 10.09 |
| 3. | Leonard Myles-Mills (GHA) | 10.25 |
| 4. | Anson Henry (CAN) | 10.33 |
| 5. | Eric Pacome N'Dri (CIV) | 10.38 |
| 6. | Aaron Egbele (NGR) | 10.43 |
| 7. | Andre Blackman (GUY) | 10.86 |
| 8. | Zoran Josifovski (MKD) | 11.63 |
| RANK | HEAT 10 | TIME |
| 1. | Deji Aliu (NGR) | 10.19 |
| 2. | Dwight Thomas (JAM) | 10.22 |
| 3. | Ato Boldon (TRI) | 10.23 |
| 4. | Ronald Pognon (FRA) | 10.26 |
| 5. | Roger Angouono-Moke (CGO) | 10.50 |
| 6. | Sébastien Gattuso (MON) | 10.94 |
| 7. | Jason Molisingi (VAN) | 11.20 |
| 8. | Somphavanh Somchanmavong (LAO) | 11.43 |