| Final 20:10 | | time | | L | | 1. Óscar Husillos |  Spain | 46.22s | SB | 4 | | 2. Tony van Diepen |  Netherlands | 46.25s | | 6 | | 3. Liemarvin Bonevacia | Netherlands | 46.30s | | 3 | | 4. Carl Bengtström |  Sweden | 46.42s | | 2 | | 5. Jochem Dobber | Netherlands | 46.82s | | 5 | | 6. Luka Janežič |  Slovenia | 47.22s | | 1 |
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Semi-Finals - Friday, 5th March 19:10 | | First 2 from each Semi advanced to Final. |
| Semi 1 | | time | | | 1. Tony van Diepen | Netherlands | 46.06s | Q, PB | | 2. Óscar Husillos | Spain | 46.26s | Q, SB | | 3. Vladimir Aceti |  Italy | 46.55s | PB | | 6. Pavel Maslák |  Czechia | 46.70s | | | 9. James Williams |  Great Britain | 46.94s | | | 18.Robert Parge |  Romania | 48.35s | |
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| Semi 2 | | time | | | 8. Liemarvin Bonevacia | Netherlands | 46.75s | Q | | 11.Luka Janežič | Slovenia | 47.25s | Q | | 12.Kajetan Duszyński |  Poland | 47.26s | | | 13.Lee Thompson | Great Britain | 47.42s | | | 14.Franko Burraj |  Albania | 47.45s | | | 17.Christian Iguacel |  Belgium | 47.78s | |
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| Semi 3 | | time | | | 4. Jochem Dobber | Netherlands | 46.56s | Q | | 5. Carl Bengtström | Sweden | 46.67s | Q | | 7. Ricky Petrucciani |  Switzerland | 46.72s | PB | | 10.Marvin Schlegel |  Germany | 47.02s | | | 15.İlyas Çanakçı |  Turkey | 47.60s | | | 16.Patrik ŀorm | Czechia | 47.69s | |
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| Heat 1 | | time | | | 5. Luka Janežič | Slovenia | 46.73s | Q, SB | | 8. Vladimir Aceti | Italy | 46.82s | Q | | 15.Dylan Borlée | Belgium | 46.99s | SB | | 16.Samuel García | Spain | 47.02s | | | 26.Mateo Ružić |  Croatia | 47.49s | SB | | 38.ŀimon Bujna |  Slovakia | 47.93s | |
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| Heat 2 | | time | | | 17.Jochem Dobber | Netherlands | 47.05s | Q | | 21.Patrik ŀorm | Czechia | 47.21s | Q | | 25.Lovro Mesec Košir | Slovenia | 47.47s | | | 43.Lorenzo Benati | Italy | 48.24s | | | 45.Martin Kučera | Slovakia | 48.44s | | | 48.Jovan Stojoski |  North Macedonia | 48.60s | |
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| Heat 3 | | time | | | 9. Óscar Husillos | Spain | 46.83s | Q | | 18.Christian Iguacel | Belgium | 47.07s | Q, PB | | 23.Henrik Krause | Germany | 47.39s | | | 33.Charles Devantay | Switzerland | 47.77s | | | 42.Mihai Cristian Pîslaru | Romania | 48.11s | | | 47.Dániel Huller |  Hungary | 48.52s | |
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| Heat 4 | | time | | | 2. Carl Bengtström | Sweden | 46.56s | Q | | 10.James Williams | Great Britain | 46.85s | Q | | 20.Alexander Doom | Belgium | 47.18s | | | 37.Boško Kijanović |  Serbia | 47.89s | | | 44.Tony Nõu |  Estonia | 48.42s | | | 46.Ilja Petrušenko |  Latvia | 48.46s | SB |
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| Heat 5 | | time | | | 24.Franko Burraj | Albania | 47.42s | Q | | 28.Robert Parge | Romania | 47.58s | Q | | 29.Vít Müller | Czechia | 47.60s | | | 39.Oleksandr Pohorilko |  Ukraine | 47.95s | | | 41.Ricardo dos Santos |  Portugal | 48.06s | |
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| Heat 6 | | time | | | 1. Tony van Diepen | Netherlands | 46.54s | Q | | 3. Lee Thompson | Great Britain | 46.69s | Q | | 22.Berke Akçam | Turkey | 47.33s | | | 32.Mauro Pereira | Portugal | 47.69s | | | 35.Mindia Endeladze |  Georgia | 47.85s | |
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| Heat 7 | | time | | | 7. Marvin Schlegel | Germany | 46.77s | Q | | 13.İlyas Çanakçı | Turkey | 46.92s | Q | | 34.Gregor Grahovac | Slovenia | 47.84s | | | 35.Filippo Moggi | Switzerland | 47.85s | | | -. Thomas Jordier |  France | DQ | |
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| Heat 8 | | time | | | 11.Pavel Maslák | Czechia | 46.88s | Q | | 14.Kajetan Duszyński | Poland | 46.94s | Q | | 19.Joe Brier | Great Britain | 47.08s | | | 27.Mykyta Barabanov | Ukraine | 47.51s | | | 40.Kubilay Ençü | Turkey | 48.02s | |
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| Heat 9 | | time | | | 4. Liemarvin Bonevacia | Netherlands | 46.69s | Q | | 6. Ricky Petrucciani | Switzerland | 46.76s | Q, PB | | 12.Lucas Búa | Spain | 46.92s | | | 30.Danylo Danylenko | Ukraine | 47.65s | | | 31.Gustav Lundholm Nielsen |  Denmark | 47.65s | |
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