| Semifinal - 22.08.04 | | Heat 1 | Team | Time | | 1. Shawn Crawford | USA | 10.07s | | 2. Justin Gatlin | USA | 10.09s | | 3. Aziz Zakari | Gha | 10.11s | | 4. Obadele Thompson | Bar | 10.22s | | 5. Mark Lewis-Francis | Gbr | 10.28s | | 6. Michael Frater | Jam | 10.29s | | 7. Ronald Pognon | Fra | 10.32s | | 8. Uchenna Emedolu | Nig | 10.35s | | Heat 2 | Team | Time | | 1. Asafa Powell | Jam | 9.95s | | 2. Francis Obikwelu | Por | 9.97s | | 3. Maurice Greene | USA | 9.97s | | 4. Kim Collins | Skn | 10.02s SB | | 5. Jason Gardener | Gbr | 10.12s SB | | 6. Leonard Myles-Mills | Gha | 10.22s | | 7. Dwight Thomas | Jam | 10.28s | | 8. Vicente de Lima | Bra | 10.28s |
| | Round 2 - 21.08.04 | | Heat 1 | Team | Time | | 1. Francis Obikwelu | Por | 9.93s NR | | 2. Mark Lewis-Francis | Gbr | 10.12s SB | | 2. Dwight Thomas | Jam | 10.12s EPB | | 4. Ronald Pognon | Fra | 10.15s | | 5. Shingo Suetsugu | Jpn | 10.19s | | 6. Pierre Browne | Can | 10.21s | | 7. Churandy Martina | Aho | 10.24s | | 8. Andre Domingos | Bra | 10.34s | | Heat 2 | Team | Time | | 1. Shawn Crawford | USA | 9.89s | | 2. Obadele Thompson | Bar | 10.12s | | 3. Vicente de Lima | Bra | 10.26s | | 4. Matic Osovnikar | Slv | 10.26s | | 5. Deji Aliu | Nig | 10.26s | | 6. Nicolas Macrozonaris | Can | 10.28s | | 7. Gennadiy Chernovol | Kaz | 10.42s | | 8. Idrissa Sanou | Bur | 10.43s | | Heat 3 | Team | Time | | 1. Justin Gatlin | USA | 9.96s | | 2. Jason Gardener | Gbr | 10.15s | | 3. Uchenna Emedolu | Nig | 10.15s | | 4. Nobuharu Asahara | Jpn | 10.24s | | 5. Yeoryios Theodoridis | Gre | 10.36s | | 6. Roland Nemeth | Hun | 10.38s | | 7. Nicconnor Alexander | Tri | 10.48s | | - Eddy de Lepine | Fra | DNS | | Heat 4 | Team | Time | | 1. Aziz Zakari | Gha | 10.02s | | 2. Kim Collins | Skn | 10.05s SB | | 3. Michael Frater | Jam | 10.11s Q | | 4. Frank Fredericks | Nam | 10.17s | | 5. Joshua Ross | Aus | 10.22s PB | | 6. Alexander Kosenkow | Ger | 10.24s | | 7. Andrey Yepishin | Rus | 10.29s | | 8. Jaysuma Saidy Ndure | Gam | 10.39s | | Heat 5 | Team | Time | | 1. Maurice Greene | USA | 9.93s | | 2. Asafa Powell | Jam | 9.99s | | 3. Leonard Myles-Mills | Gha | 10.18s SB | | 4. Lukasz Chyla | Pol | 10.23s | | 5. Kareem Streete-Thompson | Cay | 10.24s | | 6. Simone Collio | Ita | 10.29s | | 7. Jarbas Mascarenhas | Bra | 10.30s | | 8. Eric Pacome N'Dri | Ivo | 10.32s |
| | Round 1 - 21.08.04 | | Heat 1 | Team | Time | | 1. Frank Fredericks | Nam | 10.12s SB | | 2. Uchenna Emedolu | Nig | 10.22s | | 3. Shingo Suetsugu | Jpn | 10.27s | | 4. Darren Campbell | Gbr | 10.35s | | 5. Haijian Chen | Chn | 10.45s | | 6. Eric Nkansah | Gha | 10.54s | | 7. Seng Song Poh | Sin | 10.75s | | 8. Yazaldes Nascimento | Stp | 11.00s | | Heat 2 | Team | Time | | 1. Mark Lewis-Francis | Gbr | 10.13s SB | | 2. Aziz Zakari | Gha | 10.19s | | 3. Roland Nemeth | Hun | 10.28s | | 4. Salem Mubarak Al Yami | Sau | 10.36s | | 5. Darren Gilford | Mlt | 10.67s | | 6. Khalil Al Hanahneh | Jor | 10.76s | | 7. Kakianako Nariki | Kir | 11.62s | | - Marc Burns | Tri | Disq. | | Heat 3 | Team | Time | | 1. Justin Gatlin | USA | 10.07s | | 2. Kareem Streete-Thompson | Cay | 10.15s | | 3. Leonard Myles-Mills | Gha | 10.21s | | 4. Vicente de Lima | Bra | 10.23s | | 5. Andrey Yepishin | Rus | 10.29s | | 6. Yeoryios Theodoridis | Gre | 10.32s | | 7. Hadhari Djaffar | Com | 10.62s | | 8. Sultan Saeed | Mdv | 11.72s | | - Juan Sainfleur | Dom | DNF | | Heat 4 | Team | Time | | 1. Shawn Crawford | USA | 10.02s | | 2. Obadele Thompson | Bar | 10.08s SB | | 3. Matic Osovnikar | Slv | 10.15s NR | | 4. Idrissa Sanou | Bur | 10.33s | | 5. Diego Ferreira | Par | 10.50s NR | | 6. Pierre de Windt | Aru | 11.02s | | 7. Chamleunesouk Ao Oudomphonh | Lao | 11.30s | | 8. Masound Azizi | Afg | 11.66s | | - Hristoforos Hoidis | Gre | DNS | | Heat 5 | Team | Time | | 1. Francis Obikwelu | Por | 10.09s | | 2. Ronald Pognon | Fra | 10.18s | | 3. Jaysuma Saidy Ndure | Gam | 10.26s NR | | 4. Jarbas Mascarenhas | Bra | 10.34s | | 5. Hiroyasu Tsuchie | Jpn | 10.37s | | 6. Adrian Durant | Vir | 10.52s | | 7. Nabie Foday Fofanah | Gui | 10.62s | | 8. Harmon Harmon | Cok | 11.22s PB | | Heat 6 | Team | Time | | 1. Nobuharu Asahara | Jpn | 10.33s | | 2. Lukasz Chyla | Pol | 10.35s | | 3. Eric Pacome N'Dri | Ivo | 10.39s | | 4. Ato Boldon | Tri | 10.41s | | 5. Issa Aime Nthepe | Fra | 10.67s | | 6. Gabor Dobos | Hun | 10.68s | | 7. John Howard | Fsm | 10.85s NR | | 8. Mohammad Shamsuddin | Ban | 11.13s | | Heat 7 | Team | Time | | 1. Asafa Powell | Jam | 10.06s | | 2. Jason Gardener | Gbr | 10.15s SB | | 3. Joshua Ross | Aus | 10.24s EPB | | 4. Andre Domingos | Bra | 10.28s | | 5. Pierre Browne | Can | 10.32s | | 6. Lamin Tucker | Sie | 10.72s | | 7. Kelsey Nakanelua | Asa | 11.25s | | 8. Sopheak Phouk | Cam | 11.56s PB | | - Djikoloum Mobele | Cha | DNS | | Heat 8 | Team | Time | | 1. Maurice Greene | USA | 10.18s | | 2. Dwight Thomas | Jam | 10.21s | | 3. Churandy Martina | Aho | 10.23s | | 4. Alexander Kosenkow | Ger | 10.28s | | 5. Prodromos Katsantonis | Cyp | 10.50s SB | | 6. Wai Hung Chiang | Hkg | 10.70s | | 7. Francis Manioru | Sol | 11.05s | | 8. Teymur Gasimov | Aze | 11.17s | | 9. Filipo Muller | Tga | 11.18s PB | | Heat 9 | Team | Time | | 1. Deji Aliu | Nig | 10.39s | | 2. Nicolas Macrozonaris | Can | 10.40s | | 3. Gennadiy Chernovol | Kaz | 10.43s | | 4. Souhalia Alamou | Ben | 10.48s | | 5. Christie van Wyk | Nam | 10.49s | | 6. Daniel Bailey | Ant | 10.51s | | 7. Gian Nicola Berardi | Smr | 10.76s | | 8. Carlos Abaunza | Nic | 11.17s | | Heat 10 | Team | Time | | 1. Kim Collins | Skn | 10.11s | | 2. Michael Frater | Jam | 10.20s | | 3. Nicconnor Alexander | Tri | 10.22s | | 4. Simone Collio | Ita | 10.27s | | 5. Eddy de Lepine | Fra | 10.27s SB | | 6. Xavier James | Ber | 10.40s | | 7. Sebastien Gattuso | Mon | 10.58s ENR | | 8. Wilfried Bingangoye | Gab | 10.76s PB |
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