| Start Time: 22:22 +2 UTC Temperature 26° C, Humidity 61 % |
| Final 22:22 | time | | L | React. | SF | bib | | 1. Steven Gardiner |  BAH | 43.48s | NR | 4 | 0.164 | 1. | 222 | | 2. Anthony José Zambrano |  COL | 44.15s | AR | 8 | 0.182 | 6. | 536 | | 3. Fred Kerley |  USA | 44.17s | | 5 | 0.144 | 3. | 1903 | | 4. Demish Gaye |  JAM | 44.46s | PB | 3 | 0.171 | q7. | 1158 | | 5. Kirani James |  GRN | 44.54s | | 7 | 0.127 | 2. | 1001 | | 6. Emmanuel Kipkurui Korir |  KEN | 44.94s | | 9 | 0.160 | 4. | 1288 | | 7. Machel Cedenio |  TTO | 45.30s | | 6 | 0.221 | 5. | 1749 | | 8. Akeem Bloomfield | JAM | 45.36s | | 2 | 0.196 | q8. | 1154 |
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| Qualifiyng Standard: 45.30s | | Quota 48 Athletes. Started 42. | | Start List |
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| World Record: Wayde Van Niekerk, South Africa 43.02s Rio de Janeiro (BRA) 14 Aug 2016 | | Championship Record: Michael Johnson, United States 43.18s 32 years, Sevilla (ESP) 26 Aug 1999 | | World Leading: Michael Norman, United States 43.45m 22 years, Torrance, CA (USA) 20 Apr 2019 |
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Semi-Finals - Wednesday 02.10 20:35 | | Best 2 from each of 3 semis and Best 2 times advanced to Final. Temperature 26° C, Humidity 79 % |
| Semi 1 20:35 | time | | L | React | Rk. | Bib | | 1. Fred Kerley | USA | 44.25s | Q | 4 | 0.152 | 3. | 1903 | | 2. Emmanuel Kipkurui Korir | KEN | 44.37s | Q SB | 5 | 0.153 | 4. | 1288 | | 3. Davide Re |  ITA | 44.85s | | 7 | 0.186 | 9. | 1096 | | 4. Jonathan Sacoor |  BEL | 45.03s | PB | 6 | 0.152 | 12. | 244 | | 5. Thapelo Phora |  RSA | 45.24s | | 9 | 0.182 | 16. | 1637 | | 6. Abbas Abubakar Abbas |  BRN | 45.26s | | 8 | 0.194 | 17. | 360 | | 7. Nathan Strother | USA | 45.34s | | 2 | 0.155 | 18. | 1931 | | 8. Mazen Al Yasen |  KSA | 46.11s | | 3 | 0.168 | 23. | 1336 |
| Semi 2 20:42 | time | | L | React | Rk. | Bib | | 1. Steven Gardiner | BAH | 44.13s | Q SB | 6 | 0.154 | 1. | 222 | | 2. Kirani James | GRN | 44.23s | Q SB | 5 | 0.119 | 2. | 1001 | | 3. Demish Gaye | JAM | 44.66s | q SB | 7 | 0.188 | 7. | 1158 | | 4. Vernon Norwood | USA | 44.992s | | 9 | 0.181 | 10. | 1921 | | 5. Leungo Scotch |  BOT | 44.996s | PB | 8 | 0.167 | 11. | 305 | | 6. Jhon Alejandro Perlaza | COL | 45.17s | | 3 | 0.160 | 15. | 535 | | 7. Philip Osei |  CAN | 45.44s | | 4 | 0.172 | 19. | 414 | | 8. Steven Solomon |  AUS | 45.54s | SB | 2 | 0.169 | 20. | 154 |
| Semi 3 20:51 | time | | L | React | Rk. | Bib | | 1. Machel Cedenio | TTO | 44.41s | Q SB | 7 | 0.239 | 5. | 1749 | | 2. Anthony José Zambrano | COL | 44.55s | Q NR | 8 | 0.183 | 6. | 536 | | 3. Akeem Bloomfield | JAM | 44.77s | q | 6 | 0.207 | 8. | 1154 | | 4. Julian Jrummi Walsh |  JPN | 45.13s | PB | 5 | 0.132 | 13. | 1217 | | 5. Rabah Yousif |  GBR | 45.15s | SB | 9 | 0.160 | 14. | 830 | | 6. Alphas Leken Kishoyian | KEN | 45.55s | | 2 | 0.189 | 21. | 1286 | | 7. Michael Norman | USA | 45.94s | | 4 | 0.176 | 22. | 1920 | | -. Yousef Karam |  KUW | DNF | | 3 | 0.156 | | 1338 |
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Heats - Thursday 01.10 16:35 | | Best 3 from each of 6 Heats and Best 6 times advanced to Semi-Finals. Temperature 25° C, Humidity 53 % |
| Heat 1 16:35 | time | | L | React | Rk. | Bib | | 1. Machel Cedenio | TTO | 45.26s | Q | 3 | 0.211 | 9. | 1749 | | 2. Akeem Bloomfield | JAM | 45.34s | Q | 4 | 0.195 | 11. | 1154 | | 3. Thapelo Phora | RSA | 45.45s | Q | 8 | 0.178 | 13. | 1637 | | 4. Alphas Leken Kishoyian | KEN | 45.65s | q | 5 | 0.190 | 17. | 1286 | | 5. Lucas Carvalho |  BRA | 46.01s | | 6 | 0.170 | 27. | 357 | | 6. Abdalelah Haroun |  QAT | 47.76s | SB | 2 | 0.194 | 37. | 1598 | | -. Matthew Hudson-Smith | GBR | DNF | | 7 | 0.152 | | 832 |
| Heat 2 16:43 | time | | L | React | Rk. | Bib | | 1. Kirani James | GRN | 44.94s | Q | 2 | 0.140 | 1. | 1001 | | 2. Julian Jrummi Walsh | JPN | 45.14s | Q PB | 8 | 0.151 | 7. | 1217 | | 3. Vernon Norwood | USA | 45.59s | Q | 3 | 0.181 | 15. | 1921 | | 4. Steven Solomon | AUS | 45.82s | q | 7 | 0.197 | 22. | 154 | | 5. Derrick Mokaleng | RSA | 45.863s | | 6 | 0.166 | 23. | 1631 | | 6. Luka Janežič |  SLO | 46.84s | | 4 | 0.194 | 33. | 2085 | | 7. Tikie Terry Mael |  VAN | 48.52s | PB | 5 | 0.176 | 41. | 2028 |
| Heat 3 16:51 | time | | L | React | Rk. | Bib | | 1. Davide Re | ITA | 45.077s | Q | 4 | 0.158 | 5. | 1096 | | 2. Fred Kerley | USA | 45.19s | Q | 3 | 0.157 | 8. | 1903 | | 3. Abbas Abubakar Abbas | BRN | 45.47s | Q | 7 | 0.209 | 14. | 360 | | 4. Mazen Al Yasen | KSA | 45.70s | q | 8 | 0.168 | 19. | 1336 | | 5. Mikhail Litvin |  KAZ | 46.28s | | 2 | 0.172 | 30. | 1265 | | 6. Bachir Mahamat |  CHA | 47.65s | | 5 | 0.195 | 36. | 450 | | 7. Jovan Stojoski |  MKD | 47.92s | | 6 | 0.178 | 38. | 1409 |
| Heat 4 16:59 | time | | L | React | Rk. | Bib | | 1. Michael Norman | USA | 45.00s | Q | 4 | 0.165 | 2. | 1920 | | 2. Demish Gaye | JAM | 45.02s | Q | 3 | 0.206 | 3. | 1158 | | 3. Leungo Scotch | BOT | 45.10s | Q PB | 7 | 0.160 | 6. | 305 | | 4. Yousef Karam | KUW | 45.74s | q | 8 | 0.150 | 21. | 1338 | | 5. Alonzo Russell | BAH | 45.91s | | 2 | 0.181 | 25. | 223 | | 6. Todiasoa Franck Rabearison |  MAD | 46.80s | NR | 6 | 0.185 | 32. | 1368 | | 7. Moussa Zaroumeye |  NIG | 48.13s | | 8 | 0.179 | 39. | 1477 |
| Heat 5 17:07 | time | | L | React | Rk. | Bib | | 1. Steven Gardiner | BAH | 45.68s | Q | 3 | 0.184 | 18. | 222 | | 2. Philip Osei | CAN | 45.864s | Q | 5 | 0.180 | 24. | 414 | | 3. Anthony José Zambrano | COL | 45.93s | Q | 6 | 0.178 | 26. | 536 | | 4. Ditiro Nzamani | BOT | 46.19s | | 7 | 0.226 | 28. | 310 | | 5. Rusheen McDonald | JAM | 46.21s | | 2 | 0.183 | 29. | 1161 | | 6. Brandon Parris |  VIN | 47.39s | | 4 | 0.148 | 34. | 2038 | | 7. Mohammad Jahir Rayhan |  BAN | 48.48s | | 8 | 0.172 | 40. | 229 |
| Heat 6 17:15 | time | | L | React | Rk. | Bib | | 1. Emmanuel Kipkurui Korir | KEN | 45.071s | Q | 7 | | 4. | 1288 | | 2. Jonathan Sacoor | BEL | 45.32s | Q | 6 | 0.162 | 10. | 244 | | 3. Rabah Yousif | GBR | 45.40s | Q | 5 | 0.160 | 12. | 830 | | 4. Jhon Alejandro Perlaza | COL | 45.62s | q | 8 | 0.175 | 16. | 535 | | 5. Nathan Strother | USA | 45.71s | q | 3 | 0.164 | 20. | 1931 | | 6. Taha Hussein Yaseen |  IRQ | 46.58s | | 4 | 0.194 | 31. | 1073 | | 7. Jessy Franco |  GIB | 47.41s | NR | 2 | 0.138 | 35. | 985 |
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| | | Quota 48 athletes. Qualifiying Standard 45.30s - 32 athletes. Qualification Period 07.09.2018 - 06.09.2019. |
| Athlete | time | Venue | date | | FR | | 1. Michael Norman | USA | 43.45s | Torrance CA (USA) | 20.04.2019 | S,WC,Q | 22.SF | | 2. Fred Kerley | USA | 43.64s | Des Moines IA (USA) | 27.07.2019 | S,Q | 3. Fin | | 3. Nathan Strother | USA | 44.29s | Des Moines IA (USA) | 27.07.2019 | S,Q | 18.SF | | 4. Vernon Norwood | USA | 44.40s | Des Moines IA (USA) | 27.07.2019 | S,Q | 10.SF | | 4. Akeem Bloomfield | JAM | 44.40s | London (GBR) | 21.07.2019 | S,Q | 8. Fin | | 6. Steven Gardiner | BAH | 44.45s | Székesfehérvár (HUN) | 09.07.2019 | S,Q | 1. Fin | | 7. Kirani James | GRN | 44.47s | Andújar (ESP) | 06.09.2019 | S,Q | 5. Fin | | 8. Machel Cedenio | TTO | 44.52s | Port of Spain (TTO) | 27.07.2019 | S,Q | 7. Fin | | 9. Emmanuel Kipkurui Korir | KEN | 44.55s | Nairobi (KEN) | 22.06.2019 | S,Q | 6. Fin | | 10.Abderrahmane Samba | QAT | 44.60s | Pretoria (RSA) | 09.04.2019 | S,Q | | 11.Anthony José Zambrano | COL | 44.68s | La Chaux-de-Fonds (SUI) | 30.06.2019 | S,AC,Q | 2. Fin | | 12.Abdalelah Haroun | QAT | 44.72s | Ostrava (CZE) | 09.09.2018 | S,Q | 37. | | 13.Davide Re | ITA | 44.77s | La Chaux-de-Fonds (SUI) | 30.06.2019 | S,Q | 9. SF | | 14.Demish Gaye | JAM | 44.83s | Kingston (JAM) | 23.06.2019 | S,AC,Q | 4. Fin | | 15.Youssef Mohamed Dagher | KUW | 44.84s | Doha (QAT) | 22.04.2019 | S,AC,Q | DNF SF | | 16.Abbas Abubaker | BRN | 44.90s | Madrid (ESP) | 25.08.2019 | S,Q | 17.SF | | 17.Bralon Taplin | GRN | 44.92s | St. Georges (GRN) | 13.04.2019 | S,Q | | -. Nijel Amos | BOT | 44.99s | Padova (ITA) | 16.07.2019 | DNS | | 18.Alejandro Perlaza | COL | 45.02s | Austin TX (USA) | 07.06.2019 | S,Q | 15.SF | | 19.Karsten Warholm |  NOR | 45.05s | Glasgow (GBR) | 02.03.2019 | S,Q | | 20.Ditiro Nzamani | BOT | 45.07s | Yaoundé (CMR) | 20.07.2019 | S,Q | 28. | | -. Baboloki Thebe | BOT | 45.09s | Praha (CZE) | 03.06.2019 | DNS,AC | | | 21.Matthew Hudson-Smith | GBR | 45.15s | Birmingham (GBR) | 25.08.2019 | S,AC,Q | DNF | | 22.Derrick Mokaleng | RSA | 45.17s | Waco TX (USA) | 20.04.2019 | S,Q | 23. | | 23.Thapelo Phora | RSA | 45.19s | Sasolburg (RSA) | 12.04.2019 | S,Q | 16.SF | | 24.Julian Jrummi Walsh | JPN | 45.21s | Fujiyoshida (JPN) | 01.09.2019 | S,Q | 13.SF | | 25.Rabah Yousif | GBR | 45.23s | Goleniów (POL) | 26.06.2019 | S,Q | 14.SF | | 26.Mikhail Litvin | KAZ | 45.25s | Doha (QAT) | 22.04.2019 | S,Q | 30. | | 26.Rusheen McDonald | JAM | 45.25s | Kingston (JAM) | 22.06.2019 | S,Q | 29. | | 28.Leungo Scotch | BOT | 45.27s | Rabat (MAR) | 28.08.2019 | S,Q | 11.SF | | 29.Alonzo Russell | BAH | 45.28s | Nassau (BAH) | 27.07.2019 | S,Q | 25. | | 29.Mazen Al-Yassin | KSA | 45.28s | Tashkent (UZB) | 17.08.2019 | S.Q | 23.SF | | 31.Philip Osei | CAN | 45.29s | London ON (CAN) | 23.06.2019 | S,Q | 19.SF | | 32.Alphas Kishoyan | KEN | 45.30s | Kampala (UGA) | 26.07.2019 | S,Q | 21.SF | | -. Wayde van Niekerk | RSA | | | | DNS,WC | | Outside of Qualifiying Standard 45.30s - 12 athletes. | | 33.Steven Solomon | AUS | 45.62s | Apia (SAM) | 17.07.2019 | S,AC,Q | 20.SF | | 34.Brandon Valentine-Parris | VIN | 46.08s | Kingsville TX (USA) | 25.05.2019 | S,BCA,Q | 34. | | 35.Jovan Stojoski | MKD | 46.94s | Skopje | 10.08.2019 | S,BCA,Q | 38. | | 36.Todiasoa Franck Rabearison | MAD | 47.39s | Amneville | 21.06.2019 | S,BCA,Q | 32. | | 37.Jessy Franco | GIB | 48.34s | Gibraltar | 11.07.2019 | S,BCA,Q | 35. | | 38.Mohammad Jahir Rayhan | BAN | 48.51s | Doha | 21.04.2019 | S,BCA,Q | 40. | | 39.Tikie Terry Mael | VAN | | | | S,BCA,Q | 41. | | 39.Moussa Zaroumeye | NIG | | | | S,BCA,Q | 39. | | 39.Bachir Mahamat | CHA | | | | S,BCA,Q | 36. | | 42.Jonathan Sacoor | BEL | 45.31s | Bruxelles (BEL) | 01.09.2019 | S,q | 12.5 | | 43.Arokia Rajiv |  IND | 45.37s | Doha (QAT) | 22.04.2019 | q | | 44.Gardeo Isaacs | RSA | 45.39s | Germiston (RSA) | 27.04.2019 | q | | 45.Akeem Sirleaf |  LBR | 45.42s | Greensboro NC (USA) | 04.05.2019 | q | | -. Isaac Makwala | BOT | 45.43s | Francistown (BOT) | 05.05.2019 | DNS | | 46.Karol Zalewski |  POL | 45.46s | Chorzów (POL) | 16.06.2019 | q | | 47.Dwight St. Hillare | TTO | 45.47s | Fayetteville AR (USA) | 11.05.2019 | q | | 48.Luka Janežič | SLO | 45.49s | London (GBR) | 21.07.2019 | S,q | 33. | | 48.Daniel Mbewe |  ZAM | 45.49s | Lusaka (ZAM) | 23.02.2019 | q | | 50.Orwin Emilien |  MRI | 45.52s | Sacramento CA (USA) | 24.05.2019 | q | | 51.Lucas Carvalho | BRA | 45.55s | Bragança Paulista (BRA) | 15.09.2018 | S,q | 27. | | 52.Taha Hussein Yaseen | IRQ | 45.74s | Doha (QAT) | 22.04.2019 | S,q | 31. | | Top 8 not qualified athletes | | -. Matteo Galvan | ITA | 45.59s | Bressanone (ITA) | 27.07.2019 | | | -. Terrence Agard |  NED | 45.61s | La Chaux-de-Fonds (SUI) | 30.06.2019 | | | -. Kevin Borlée | BEL | 45.61s | Bruxelles (BEL) | 01.09.2019 | | | -. Jamal Walton |  CAY | 45.61s | College Station TX (USA) | 27.04.2019 | | | -. Chidi Okezie |  NGR | 45.61s | Rabat (MAR) | 28.08.2019 | | | -. Myles Misener-Daley | CAN | 45.62s | San José (CRC) | 19.07.2019 | | | -. Valente Mendoza |  MEX | 45.63s | Napoli (ITA) | 10.07.2019 | | | -. Anderson Henriques | BRA | 45.63s | São Paulo (BRA) | 05.05.2019 | | | Athletes who aciheved the entry standard but were not selected | | -. Kahmari Montgomery | USA | 44.23s | Austin TX (USA) | 07.06.2019 | nS | | | -. Trevor Stewart | USA | 44.25s | Austin TX (USA) | 07.06.2019 | nS | | | -. Rai Benjamin | USA | 44.31s | Torrance CA (USA) | 20.04.2019 | nS | | | -. Blake Leeper | USA | 44.38s | Des Moines IA (USA) | 26.07.2019 | nS | | | -. Quincy Hall | USA | 44.53s | Columbia SC (USA) | 13.04.2019 | nS | | | -. Jonathan Jones |  BAR | 44.63s | London (GBR) | 21.07.2019 | nS | | | -. Wil London | USA | 44.63s | Austin TX (USA) | 07.06.2019 | nS | | | -. Michael Cherry | USA | 44.69s | Des Moines IA (USA) | 27.07.2019 | nS | | | -. Kenny Bednarek | USA | 44.73s | Hobbs NM (USA) | 18.05.2019 | nS | | | -. Emmanuel Bamidele | NGR | 44.78s | Padova (ITA) | 16.07.2019 | nS | | | -. Tyrell Richard | USA | 44.81s | Jacksonville FL (USA) | 05.04.2019 | nS | | | -. Justin Robinson | USA | 44.84s | Albuquerque NM (USA) | 08.06.2019 | nS | | | -. Nathon Allen | JAM | 44.85s | London (GBR) | 21.07.2019 | nS | | | -. Obi Igbokwe | USA | 44.96s | Bruxelles (BEL) | 06.09.2019 | nS | | | -. Bryce Deadmon | USA | 45.18s | Austin TX (USA) | 07.06.2019 | nS | | | -. Sean Bailey | JAM | 45.19s | Sacramento CA (USA) | 24.05.2019 | nS | | | -. Y. Muhammed Anas | IND | 45.21s | Kladno (CZE) | 13.07.2019 | nS | | | -. Lidio Feliz |  DOM | 45.23s | Cali (COL) | 22.06.2019 | nS | | | -. Chantz Sawyers | JAM | 45.24s | Austin TX (USA) | 07.06.2019 | nS | | | -. Mylik Kerley | USA | 45.26s | Des Moines IA (USA) | 26.07.2019 | nS | | | -. Aldrich Bailey | USA | 45.29s | Abilene TX (USA) | 12.05.2019 | nS | |
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Prepared and maintained by Todor Krastev
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Last updated: 14 Sep 2025
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