# Athletics at the 2003 Summer Universiade – Men's 400 metres

The men's 400 metres event at the 2003 Summer Universiade was held in Daegu, South Korea with the final on 25–27 August.

## Medalists

| Gold | Silver | Bronze |
| Andriy Tverdostup Ukraine | Denis Rypakov Kazakhstan | Rafał Wieruszewski Poland |

## Results
### Heats

| Rank | Heat | Athlete | Nationality | Time | Notes |
| 1 | 1 | Igor Vasilyev | Russia | 47.08 | Q |
| 2 | 1 | James Chatt | Great Britain | 47.18 | Q |
| 3 | 4 | Volodymyr Demchenko | Ukraine | 47.22 | Q |
| 4 | 1 | Jan Mazanec | Czech Republic | 47.31 | Q |
| 5 | 3 | Christian Birk | Denmark | 47.43 | Q |
| 6 | 3 | Marco Salvucci | Italy | 47.46 | Q |
| 7 | 6 | Andriy Tverdostup | Ukraine | 47.47 | Q |
| 8 | 3 | Mohd Zainal Abidin Zaiful | Malaysia | 47.52 | Q |
| 9 | 6 | Narong Nilploy | Thailand | 47.67 | Q |
| 10 | 4 | Sergey Babayev | Russia | 47.71 | Q |
| 11 | 4 | Denis Rypakov | Kazakhstan | 47.72 | Q |
| 12 | 6 | François Gourmet | Belgium | 47.79 | Q |
| 13 | 6 | Yoshiaki Kitaoka | Japan | 47.88 | Q |
| 14 | 5 | Adam Potter | Great Britain | 48.08 | Q |
| 15 | 5 | Yoshihiro Horigome | Japan | 48.09 | Q |
| 16 | 4 | Matiuupi Katjiyuongua | Namibia | 48.12 | Q |
| 17 | 3 | Nathan Vadeboncoeur | Canada | 48.13 | Q |
| 18 | 6 | Marvin Essor | Jamaica | 48.15 | q |
| 19 | 5 | Luca Galletti | Italy | 48.19 | Q |
| 20 | 4 | Jonnie Lowe | Honduras | 48.26 | q |
| 21 | 2 | Rafał Wieruszewski | Poland | 48.31 | Q |
| 22 | 5 | Sam Higgie | New Zealand | 48.39 | Q |
| 23 | 1 | Tim Hawkes | New Zealand | 48.44 | Q |
| 24 | 2 | Dávid Csesznegi | Hungary | 48.52 | Q |
| 25 | 3 | Valentin Bulichev | Azerbaijan | 48.64 | q |
| 26 | 2 | Banjong Lachua | Thailand | 48.66 | Q |
| 27 | 5 | Mikk Joorits | Estonia | 48.80 | q |
| 28 | 4 | Stephen Adjei | Ghana | 49.09 | q |
| 29 | 4 | Saeed Ali Al-Adhreai | Yemen | 49.21 | q, NR |
| 30 | 1 | Nikolai Portelli | Malta | 49.22 | q |
| 31 | 3 | Shon Jung-ho | South Korea | 49.32 | q |
| 32 | 6 | Teu Koon Kiat | Singapore | 49.89 | |
| 33 | 6 | Karl Farrugia | Malta | 50.08 | |
| 34 | 5 | Kenneth Khoo Kian Seong | Singapore | 50.09 | |
| 35 | 2 | Avetik Arakelian | Armenia | 50.57 | Q |
| 36 | 3 | Cheong Man Fong | Macau | 51.23 | |
| 37 | 4 | Chan Chi Hong | Hong Kong | 51.99 | |
| 38 | 1 | Adam Abubaker | Sudan | 52.83 | |
| 39 | 6 | S. M. P. S. D. Pathirana | Sri Lanka | 53.05 | |
| 40 | 2 | Chang Wa Ieng | Macau | 53.99 | |
| 41 | 2 | Vajira Kularatne | Sri Lanka | 54.06 | |
| 42 | 1 | Trent Armstrong | Marshall Islands | 55.11 | |
| | 2 | Mohamed Al-Aswad | United Arab Emirates | DQ | |
| | 5 | Lolo Ekanga | Democratic Republic of the Congo | DNS | |
| | 5 | Thomas Kortbeek | Netherlands | DNS | |

### Quarterfinals

| Rank | Heat | Athlete | Nationality | Time | Notes |
| 1 | 2 | Andriy Tverdostup | Ukraine | 46.65 | Q |
| 2 | 3 | Denis Rypakov | Kazakhstan | 46.70 | Q |
| 3 | 3 | Volodymyr Demchenko | Ukraine | 46.77 | Q |
| 4 | 2 | Marvin Essor | Jamaica | 46.87 | Q |
| 5 | 4 | Rafał Wieruszewski | Poland | 46.93 | Q |
| 6 | 4 | François Gourmet | Belgium | 47.04 | Q |
| 7 | 2 | Sergey Babayev | Russia | 47.14 | Q |
| 8 | 2 | James Chatt | Great Britain | 47.14 | q |
| 9 | 1 | Narong Nilploy | Thailand | 47.15 | Q |
| 10 | 3 | Adam Potter | Great Britain | 47.21 | Q |
| 11 | 4 | Christian Birk | Denmark | 47.27 | Q |
| 12 | 4 | Jan Mazanec | Czech Republic | 47.29 | q |
| 13 | 4 | Yoshiaki Kitaoka | Japan | 47.30 | q |
| 14 | 1 | Dávid Csesznegi | Hungary | 47.38 | Q |
| 15 | 1 | Igor Vasilyev | Russia | 47.51 | Q |
| 16 | 1 | Mohd Zainal Abidin Zaiful | Malaysia | 47.62 | q |
| 17 | 2 | Yoshihiro Horigome | Japan | 47.63 | |
| 17 | 3 | Mikk Joorits | Estonia | 47.63 | |
| 19 | 1 | Matuupi Katjiyongua | Namibia | 47.90 | |
| 20 | 1 | Luca Galletti | Italy | 47.98 | |
| 21 | 2 | Banjong Lachua | Thailand | 48.11 | |
| 22 | 1 | Valentin Bulichev | Azerbaijan | 48.15 | |
| 23 | 3 | Marco Salvucci | Italy | 48.18 | |
| 24 | 3 | Nathan Vadeboncoeur | Canada | 48.18 | |
| 25 | 2 | Tim Hawkes | New Zealand | 48.55 | |
| 26 | 3 | Sam Higgie | New Zealand | 48.79 | |
| 27 | 4 | Jonnie Lowe | Honduras | 48.83 | |
| 28 | 2 | Son Jung-ho | South Korea | 49.15 | |
| 29 | 3 | Nikolai Portelli | Malta | 51.12 | |
| | 4 | Stephen Adjei | Ghana | ? | |
| | 4 | Saeed Ali Al-Adhreai | Yemen | ? | |
| | 1 | Avetik Arakelian | Armenia | DNS | |

### Semifinals

| Rank | Heat | Athlete | Nationality | Time | Notes |
| 1 | 1 | Andriy Tverdostup | Ukraine | 46.82 | Q |
| 2 | 2 | Volodymyr Demchenko | Ukraine | 46.58 | Q |
| 3 | 2 | Rafał Wieruszewski | Poland | 46.64 | Q |
| 4 | 2 | Denis Rypakov | Kazakhstan | 46.78 | Q |
| 5 | 2 | Christian Birk | Denmark | 46.80 | Q |
| 6 | 2 | Igor Vasilyev | Russia | 46.89 | |
| 7 | 1 | Adam Potter | Great Britain | 46.99 | Q |
| 8 | 1 | Marvin Essor | Jamaica | 47.25 | Q |
| 9 | 1 | Dávid Csesznegi | Hungary | 47.33 | Q |
| 10 | 1 | Sergey Babayev | Russia | 47.63 | |
| 11 | 2 | François Gourmet | Belgium | 47.67 | |
| 12 | 2 | Jan Mazanec | Czech Republic | 47.89 | |
| 13 | 2 | Yoshiaki Kitaoka | Japan | 47.97 | |
| 14 | 1 | James Chatt | Great Britain | 48.03 | |
| 15 | 1 | Mohd Zainal Abidin Zaiful | Malaysia | 48.82 | |
| | 1 | Narong Nilploy | Thailand | DNS | |

### Final

| Rank | Lane | Athlete | Nationality | Time |
| | 6 | Andriy Tverdostup | Ukraine | 46.08 |
| | 7 | Denis Rypakov | Kazakhstan | 46.51 |
| | 5 | Rafał Wieruszewski | Poland | 46.53 |
| 4 | 3 | Adam Potter | Great Britain | 46.64 |
| 5 | 4 | Volodymyr Demchenko | Ukraine | 46.82 |
| 6 | 8 | Christian Birk | Denmark | 46.98 |
| 7 | 1 | Dávid Csesznegi | Hungary | 47.50 |
| 8 | 2 | Marvin Essor | Jamaica | 48.01 |