| | | Final | time |  | L | react. | Birth |  | 1. Yasmani Copello Escobar |  TUR | 48.98s |  | 6 | 0.175 | 15 APR 1987 |  | 2. Sérgio Fernández |  ESP | 49.06s |  | 5 | 0.138 | 1 APR 1993 |  | 3. Kariem Hussein |  SUI | 49.10s |  | 3 | 0.134 | 4 JAN 1989 |  | 4. Oskari Mörö |  FIN | 49.24s | SB | 7 | 0.155 | 31 JAN 1993 |  | 5. Rhys Williams |  GBR | 49.63s |  | 8 | 0.141 | 27 FEB 1984 |  | 6. Karsten Warholm |  NOR | 49.82s |  | 4 | 0.153 | 28 FEB 1996 |  | 7. Martin Kucera |  SVK | 49.82s |  | 1 | 0.121 | 10 MAY 1990 |  | -. Jack Green |  GBR | DNF |  | 2 | 0.187 | 6 OCT 1991 | 
  Rhys Williams (GBR) received Yellow Card Rule: R125.5                    
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 | | European Record: Stephane Diagana (FRA) | 47.37s | 05.07.9587 | Lausanne (SUI) |  | Championship Record: Harald Schmidt (FRG) | 47.48s | 08.09.8298 | Athina (GRE) |  | European U23 Record: Harald Schmidt (FRG) | 47.85s | 04.08.1979 | Torino (ITA) |  | European U20 Record: Vladimir Budko (URS) | 48.74s | 18.08.1984 | Moskva (URS) | 
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 |  |  | Temperature 22 °C, Humiduty 50%, Overcast. | 
 | Ranking | time |  | Rk. | L | react. | Birth |  | 1. Karsten Warholm |  NOR | 48.84s | NR | 2. | 3 | 0.170 | 28 FEB 1996 |  | 2. Kariem Hussein |  SUI | 48.87s | SB | 3. | 5 | 0.154 | 4 JAN 1989 |  | 3. Jack Green |  GBR | 48.98s | SB | 4. | 6 | 0.187 | 6 OCT 1991 |  | 4. Martin Kucera |  SVK | 49.08s | PB | 5. | 4 | 0.168 | 10 MAY 1990 |  | 5. Tobias Giehl |  GER | 49.50s | PB | =10. | 8 | 0.189 | 25 JUL 1991 |  | 6. José Reynaldo Bencosme |  ITA | 49.77s |  | 16. | 7 | 0.170 | 16 MAY 1992 |  | 7. Patryk Adamczyk |  POL | 50.12s | PB | 18. | 1 | 0.214 | 5 JAN 1994 |  | 8. Vít Müller |  CZE | 50.70s |  | 20. | 2 | 0.196 | 31 AUG 1996 | 
 | Ranking | time |  | Rk. | L | react. | Birth |  | 1. Yasmani Copello Escobar |  TUR | 48.42s | EL | 1. | 5 | 0.173 | 15 APR 1987 |  | 2. Rhys Williams |  GBR | 49.22s | =SB | 7. | 3 | 0.141 | 27 FEB 1984 |  | 3. Mamadou Kasse Hann |  FRA | 49.28s |  | 8. | 4 | 0.167 | 10 OCT 1986 |  | 4. Mario Lambrughi |  ITA | 49.60s | PB | 12. | 2 | 0.146 | 5 FEB 1992 |  | 5. Jaak-Heinrich Jagor |  EST | 49.65s | SB | 13. | 7 | 0.155 | 11 MAY 1990 |  | 6. Michaël Bultheel |  BEL | 49.72s |  | 14. | 8 | 0.146 | 30 JUN 1986 |  | 7. Stanislav Melnykov |  UKR | 51.06s |  | 23. | 1 | 0.158 | 26 FEB 1987 |  | -. Mark Ujakpor |  ESP | DNF |  |  | 6 | 0.160 | 18 JAN 1987 | 
 | Ranking | time |  | Rk. | L | react. | Birth |  | 1. Sérgio Fernández |  ESP | 49.20s |  | 6. | 5 | 0.139 | 1 APR 1993 |  | 2. Oskari Mörö |  FIN | 49.37s | SB | 9. | 3 | 0.145 | 31 JAN 1993 |  | 3. Rasmus Mägi |  EST | 49.50s |  | =10. | 6 | 0.132 | 4 MAY 1992 |  | 4. Tom Burton |  GBR | 49.71s |  | 14. | 4 | 0.169 | 29 OCT 1988 |  | 5. Thomas Barr |  IRL | 50.09s | SB | 17. | 2 | 0.170 | 24 JUL 1992 |  | 6. Robert Brylinski |  POL | 50.42s |  | 19. | 7 | 0.170 | 2 APR 1991 |  | 7. Mattia Contini |  ITA | 50.78s |  | 21. | 8 | 0.164 | 27 OCT 1994 |  | 8. Michal BroŽ |  CZE | 50.85s |  | 22. | 1 | 0.136 | 16 JUN 1992 | 
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 | Heats - Wednesday 06.07 |  | Best 13 athletes were exempt from this round. First 3 and best 5 advanced to Semi-Finals. |  | Temperature 19 °C, Humiduty 53%, Partly cloudy. | 
 | Ranking | time |  | Rk. | L | react. | Birth |  | 1. Thomas Barr |  IRL | 50.17s | SB | 2. | 8 | 0.158 | 24 JUL 1992 |  | 2. Jaak-Heinrich Jagor |  EST | 50.54s |  | 5. | 4 | 0.182 | 11 MAY 1990 |  | 3. Robert Brylinski |  POL | 50.74s |  | 7. | 7 | 0.148 | 2 APR 1991 |  | 4. Vít Müller |  CZE | 50.80s |  | 8. | 5 | 0.174 | 31 AUG 1996 |  | 5. Øyvind Kjerpeset |  NOR | 51.05s |  | 11. | 6 | 0.156 | 12 DEC 1991 |  | 6. Denys Nechyporenko |  UKR | 51.53s |  | 18. | 2 | 0.208 | 7 JAN 1990 |  | 7. Dany Brand |  SUI | 51.60s |  | 19. | 3 | 0.188 | 23 FEB 1996 | 
 | Ranking | time |  | Rk. | L | react. | Birth |  | 1. Tobias Giehl |  GER | 50.30s |  | 3. | 2 | 0.187 | 25 JUL 1991 |  | 2. Mattia Contini |  ITA | 51.26s |  | =14. | 6 | 0.155 | 27 OCT 1994 |  | 3. Nicolai Hartling |  DEN | 51.49s |  | 17. | 3 | 0.147 | 17 JAN 1994 |  | 4. Paul Byrne |  IRL | 53.12s |  | 24. | 5 | 0.160 | 18 APR 1990 |  | 5. Arnaud Ghislain |  BEL | 53.65s |  | 26. | 7 | 0.164 | 2 DEC 1988 |  | -. Anatoliy Synyanskyy |  UKR | DNF |  |  | 4 | 0.215 | 4 FEB 1991 | 
 | Ranking | time |  | Rk. | L | react. | Birth |  | 1. Patryk Adamczyk |  POL | 51.00s |  | 10. | 6 | 0.217 | 5 JAN 1994 |  | 2. Mario Lambrughi |  ITA | 51.06s |  | 12. | 7 | 0.149 | 5 FEB 1992 |  | 3. Felix Franz |  GER | 51.21s |  | 13. | 5 | 0.136 | 6 MAY 1993 |  | 4. Tibor Koroknai |  HUN | 51.32s |  | 16. | 8 | 0.137 | 24 JAN 1990 |  | 5. Dominik Hufnagl |  AUT | 51.88s |  | 20. | 4 | 0.151 | 10 JAN 1997 |  | 6. Javier Delgado |  ESP | 52.15s |  | 21. | 2 | 0.163 | 9 JUN 1996 |  | 7. Jussi Kanervo |  FIN | 52.35s |  | 22. | 3 | 0.130 | 1 FEB 1993 | 
 | Ranking | time |  | Rk. | L | react. | Birth |  | 1. Martin Kucera |  SVK | 49.56s | PB | 1. | 7 | 0.151 | 10 MAY 1990 |  | 2. Oskari Mörö |  FIN | 50.37s |  | 4. | 6 | 0.147 | 31 JAN 1993 |  | 3. Stanislav Melnykov |  UKR | 50.57s | SB | 6. | 8 | 0.162 | 26 FEB 1987 |  | 4. Michal BroŽ |  CZE | 50.83s |  | 9. | 5 | 0.136 | 16 JUN 1992 |  | 5. Janis BaltuŠs |  LAT | 51.26s |  | =14. | 3 | 0.193 | 26 JUN 1991 |  | 6. Maor Szeged |  ISR | 52.52s |  | 23. | 2 | 0.153 | 15 FEB 1993 |  | 7. Jakub Smolinski |  POL | 53.27s |  | 25. | 4 | 0.181 | 21 JUL 1992 | 
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 | | Athlete | 2016 | Personal | Birth |  | 1. Yasmani Copello Escobar |  TUR | 48.79 | 48.46 | 15/04/1987 |  | 3. Kariem Hussein |  SUI | 48.98 | 48.45 | 04/01/1989 |  | 2. Sérgio Fernández |  ESP | 49.02 | 49.02 | 01/04/1993 |  | --. Rasmus Mägi |  EST | 49.04 | 48.54 | 04/05/1992 |  | DF-F Jack Green |  GBR | 49.05 | 48.60 | 06/10/1991 |  | --. Mamadou Kasse Hann |  FRA | 49.15 | 48.50 | 10/10/1986 |  | 5. Rhys Williams |  GBR | 49.22 | 48.84 | 27/02/1984 |  | --. Sebastian Rodger |  GBR | 49.45 | 49.19 | 29/06/1991 |  | --. Tom Burton |  GBR | 49.62 | 49.36 | 29/10/1988 |  | 6. Karsten Warholm |  NOR | 49.62 | 49.62 | 28/02/1996 |  | --. Mark Ujakpor |  ESP | 49.65 | 49.65 | 18/01/1987 |  | --. Michaël Bultheel |  BEL | 49.76 | 49.04 | 30/06/1986 |  | --. José Reynaldo Bencosme |  ITA | 49.76 | 49.33 | 16/05/1992 |  | --. Jussi Kanervo |  FIN | 49.87 | 49.66 | 01/02/1993 |  | started from Heats. |  | --. Robert Brylinski |  POL | 49.88 | 49.88 | 02/04/1991 |  | --. Tobias Giehl |  GER | 49.93 | 49.75 | 25/07/1991 |  | --. Mattia Contini |  ITA | 49.94 | 49.94 | 27/10/1994 |  | 4. Oskari Mörö |  FIN | 49.97 | 49.08 | 31/01/1993 |  | --. Jaak-Heinrich Jagor |  EST | 50.02 | 49.37 | 11/05/1990 |  | --. Mario Lambrughi |  ITA | 50.02 | 50.02 | 05/02/1992 |  | --. &Jakub |  POL | 50.11 | 50.11 | 21/07/1992 |  | 7. Martin Kucera |  SVK | 50.17 | 49.79 | 10/05/1990 |  | --. Javier Delgado |  ESP | 50.27 | 50.27 | 09/06/1996 |  | --. Thomas Barr |  IRL | 50.28 | 48.65 | 24/07/1992 |  | --. Arnaud Ghislain |  BEL | 50.28 | 50.17 | 02/12/1988 |  | --. Anatoliy Synyanskyy |  UKR | 50.34 | 50.34 | 04/02/1991 |  | --. øyvindKjerpeset |  NOR | 50.39 | 49.95 | 12/12/1991 |  | --. Felix Franz |  GER | 50.42 | 48.96 | 06/05/1993 |  | --. VítMüller |  CZE | 50.45 | 50.45 | 31/08/1996 |  | --. Patryk Adamczyk |  POL | 50.47 | 50.47 | 05/01/1994 |  | --. &Baltušs |  LAT | 50.49 | 50.49 | 26/06/1991 |  | --. Nicolai Hartling |  DEN | 50.51 | 50.02 | 17/01/1994 |  | --. Denys Nechyporenko |  UKR | 50.73 | 50.08 | 07/01/1990 |  | --. Paul Byrne |  IRL | 50.73 | 50.72 | 18/04/1990 |  | --. Diego Cabello |  ESP | 50.76 | 49.96 | 14/01/1988 |  | --. Tibor Koroknai |  HUN | 50.80 | 50.25 | 24/01/1990 |  | --. Stanislav Melnykov |  UKR | 50.85 | 49.09 | 26/02/1987 |  | --. Michal Brož |  CZE | 50.88 | 49.78 | 16/06/1992 |  | --. Maor Szeged |  ISR | 51.02 | 51.02 | 15/02/1993 |  | --. Dominik Hufnagl |  AUT | 51.26 | 51.26 | 10/01/1997 |  | --. Dany Brand |  SUI | 51.32 | 51.32 | 23/02/1996 | 
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