400 m pł M | M | 400p | M400pł | elim 1 | 2023-07-27 | 17:15:00 | 17:14:42 | | | | | | | |
| | | | | | | | | | | | | | |
1 | 4 | 1 | 82 | HOŁUB Krzysztof | 2000-07-27 | AZS UMCS Lublin | 49.97/23 | 49.97 | 51.82 | | 0.166 | Q | | 2 |
2 | 5 | 1 | 304 | KIDOŃ Piotr | 2000-02-22 | KS AZS AWF Kraków | 51.17/23 | 51.17 | 52.19 | | 0.153 | Q | | 4 |
3 | 3 | 1 | 176 | JOŃCZYK Maciej | 2002-01-05 | RKS Łódź | 52.76/22 | 53.22 | 52.62 | | 0.193 | q PB | | 6 |
4 | 6 | 1 | 24 | WYMAZAŁA Bartłomiej | 2000-03-07 | KS SMS Szklarska Poręba | 53.78/22 | 54.94 | 55.88 | | 0.135 | | | 13 |
5 | 7 | 1 | 247 | KRAKOWIAK Tymoteusz | 2004-06-09 | MKS Polonia Warszawa | 54.97/23 | 54.97 | 56.89 | | 0.271 | | | 17 |