| Heat 1 | Piscina Comunale Beethoven - 07 October 2021 - Start Time: 10:31 |
| Pos. | Lane | Bib | Athlete | Year | Cat. | | Mark | Points |
| 1 | 5 | 84 | KOCAMAZ Berk | 2002 | MSM | TUR TURKEY | 46.44 | |
| 2 | 2 | 67 | BADEA Bogdan Valentin | 2000 | MSM | ROU ROMANIA | 53.70 | |
| 3 | 4 | 80 | TEMNIKAR Luka | 2001 | MSM | SLO SLOVENIA | 54.99 | |
| 4 | 3 | 12 | PAIS Hardi | 1996 | MSM | EST ESTONIA | 55.19 | |
| 5 | 7 | 70 | ZELENAK DAVID | 2005 | MJM | ROU ROMANIA | 57.35 | |
| 6 | 6 | 30 | MACAULEY-CONWAY Conor | 2002 | MSM | GBR GREAT BRITAIN & N. IRELAND | 57.64 | |
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| Heat 2 | Piscina Comunale Beethoven - 07 October 2021 - Start Time: 10:34 |
| Pos. | Lane | Bib | Athlete | Year | Cat. | | Mark | Points |
| 1 | 4 | 60 | PEREIRA Vicente | 2005 | MJM | POR PORTUGAL | 34.14 q | |
| 2 | 5 | 43 | SCOTTI Andrea | 1990 | MMA | ITA ITALY | 34.43 q | |
| 3 | 6 | 83 | GUNGOR Serhat Emir | 2000 | MSM | TUR TURKEY | 40.47 | |
| 4 | 2 | 4 | KOSEC Nikola | 2002 | MSM | CRO CROATIA | 41.90 | |
| 5 | 7 | 13 | PLOOMIPUU Vahur | 1990 | MMA | EST ESTONIA | 45.79 | |
| 6 | 1 | 10 | LOIK Kaspar Paul | 2001 | MSM | EST ESTONIA | 46.94 | |
| 7 | 8 | 52 | MATUSIEWICZ Bartosz | 1998 | MSM | POL POLAND | 47.72 | |
| | 3 | 75 | RYABENKOV Alexander | 2000 | MSM | RUS RUSSIA | DNS | |
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| Heat 3 | Piscina Comunale Beethoven - 07 October 2021 - Start Time: 10:36 |
| Pos. | Lane | Bib | Athlete | Year | Cat. | | Mark | Points |
| 1 | 4 | 38 | MANAUZZI Paolo Alfredo | 1990 | MMA | ITA ITALY | 34.94 q | |
| 2 | 5 | 64 | SANTOS Filipe | 1988 | MMA | POR PORTUGAL | 35.20 q | |
| 3 | 3 | 16 | TÖTT Eric | 1992 | MMA | EST ESTONIA | 36.10 | |
| 4 | 2 | 85 | MENC Alperen | 2002 | MSM | TUR TURKEY | 38.10 | |
| 5 | 6 | 58 | MATOS Diogo | 1999 | MSM | POR PORTUGAL | 38.88 | |
| 6 | 1 | 48 | GROMADA Szymon | 2003 | MSM | POL POLAND | 41.86 | |
| 7 | 7 | 86 | OKTEM Ozgun | 1997 | MSM | TUR TURKEY | 44.09 | |
| 8 | 8 | 79 | SOSTER Alen | 1999 | MSM | SLO SLOVENIA | 57.83 | |
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| Heat 4 | Piscina Comunale Beethoven - 07 October 2021 - Start Time: 10:38 |
| Pos. | Lane | Bib | Athlete | Year | Cat. | | Mark | Points |
| 1 | 4 | 18 | BELIG Axel | 1994 | MMA | FRA FRANCE | 33.91 q | |
| 2 | 5 | 46 | ZAFFARONI Paolo | 1996 | MMA | ITA ITALY | 34.30 q | |
| 3 | 3 | 57 | ALMEIDA André | 2000 | MSM | POR PORTUGAL | 35.92 q | |
| 4 | 6 | 28 | LACEY Zachary | 2000 | MSM | GBR GREAT BRITAIN & N. IRELAND | 36.04 q | |
| 5 | 2 | 49 | KRUPINSKI Pawel | 1987 | MMA | POL POLAND | 41.47 | |
| 6 | 7 | 62 | REGO Diogo | 1997 | MSM | POR PORTUGAL | 42.63 | |
| 7 | 8 | 56 | SLÓSARCZYK Sebastian | 1998 | MSM | POL POLAND | 42.73 | |
| | 1 | 73 | FAZYLLIN Bilal | 2002 | MSM | RUS RUSSIA | DNS | |
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| SUMMARY | Piscina Comunale Beethoven |
| Pos. | Lane | Bib | Athlete | Year | Cat. | | Mark | Points |
| 1 | 4 | 18 | BELIG Axel | 1994 | MMA | FRA FRANCE | 33.91 q | |
| 2 | 4 | 60 | PEREIRA Vicente | 2005 | MJM | POR PORTUGAL | 34.14 q | |
| 3 | 5 | 46 | ZAFFARONI Paolo | 1996 | MMA | ITA ITALY | 34.30 q | |
| 4 | 5 | 43 | SCOTTI Andrea | 1990 | MMA | ITA ITALY | 34.43 q | |
| 5 | 4 | 38 | MANAUZZI Paolo Alfredo | 1990 | MMA | ITA ITALY | 34.94 q | |
| 6 | 5 | 64 | SANTOS Filipe | 1988 | MMA | POR PORTUGAL | 35.20 q | |
| 7 | 3 | 57 | ALMEIDA André | 2000 | MSM | POR PORTUGAL | 35.92 q | |
| 8 | 6 | 28 | LACEY Zachary | 2000 | MSM | GBR GREAT BRITAIN & N. IRELAND | 36.04 q | |
| 9 | 3 | 16 | TÖTT Eric | 1992 | MMA | EST ESTONIA | 36.10 | |
| 10 | 2 | 85 | MENC Alperen | 2002 | MSM | TUR TURKEY | 38.10 | |
| 11 | 6 | 58 | MATOS Diogo | 1999 | MSM | POR PORTUGAL | 38.88 | |
| 12 | 6 | 83 | GUNGOR Serhat Emir | 2000 | MSM | TUR TURKEY | 40.47 | |
| 13 | 2 | 49 | KRUPINSKI Pawel | 1987 | MMA | POL POLAND | 41.47 | |
| 14 | 1 | 48 | GROMADA Szymon | 2003 | MSM | POL POLAND | 41.86 | |
| 15 | 2 | 4 | KOSEC Nikola | 2002 | MSM | CRO CROATIA | 41.90 | |
| 16 | 7 | 62 | REGO Diogo | 1997 | MSM | POR PORTUGAL | 42.63 | |
| 17 | 8 | 56 | SLÓSARCZYK Sebastian | 1998 | MSM | POL POLAND | 42.73 | |
| 18 | 7 | 86 | OKTEM Ozgun | 1997 | MSM | TUR TURKEY | 44.09 | |
| 19 | 7 | 13 | PLOOMIPUU Vahur | 1990 | MMA | EST ESTONIA | 45.79 | |
| 20 | 5 | 84 | KOCAMAZ Berk | 2002 | MSM | TUR TURKEY | 46.44 | |
| 21 | 1 | 10 | LOIK Kaspar Paul | 2001 | MSM | EST ESTONIA | 46.94 | |
| 22 | 8 | 52 | MATUSIEWICZ Bartosz | 1998 | MSM | POL POLAND | 47.72 | |
| 23 | 2 | 67 | BADEA Bogdan Valentin | 2000 | MSM | ROU ROMANIA | 53.70 | |
| 24 | 4 | 80 | TEMNIKAR Luka | 2001 | MSM | SLO SLOVENIA | 54.99 | |
| 25 | 3 | 12 | PAIS Hardi | 1996 | MSM | EST ESTONIA | 55.19 | |
| 26 | 7 | 70 | ZELENAK DAVID | 2005 | MJM | ROU ROMANIA | 57.35 | |
| 27 | 6 | 30 | MACAULEY-CONWAY Conor | 2002 | MSM | GBR GREAT BRITAIN & N. IRELAND | 57.64 | |
| 28 | 8 | 79 | SOSTER Alen | 1999 | MSM | SLO SLOVENIA | 57.83 | |
| | 1 | 73 | FAZYLLIN Bilal | 2002 | MSM | RUS RUSSIA | DNS | |
| | 3 | 75 | RYABENKOV Alexander | 2000 | MSM | RUS RUSSIA | DNS | |
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| Final | Piscina Comunale Beethoven - 07 October 2021 - Start Time: 15:16 |
| Pos. | Lane | Bib | Athlete | Year | Cat. | | Mark | Points |
| 1 | 5 | 60 | PEREIRA Vicente | 2005 | MJM | POR PORTUGAL | 32.62 | 9 |
| 2 | 4 | 18 | BELIG Axel | 1994 | MMA | FRA FRANCE | 33.67 | 7 |
| 3 | 3 | 46 | ZAFFARONI Paolo | 1996 | MMA | ITA ITALY | 33.79 | 6 |
| 4 | 7 | 64 | SANTOS Filipe | 1988 | MMA | POR PORTUGAL | 34.64 | 5 |
| 5 | 6 | 43 | SCOTTI Andrea | 1990 | MMA | ITA ITALY | 34.79 | 4 |
| 6 | 2 | 38 | MANAUZZI Paolo Alfredo | 1990 | MMA | ITA ITALY | 34.97 | 3 |
| 7 | 1 | 57 | ALMEIDA André | 2000 | MSM | POR PORTUGAL | 36.34 | 2 |
| 8 | 8 | 28 | LACEY Zachary | 2000 | MSM | GBR GREAT BRITAIN & N. IRELAND | 36.45 | 1 |
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