Records
Voorafgaand aan het toernooi waren dit het wereldrecord en het kampioenschapsrecord
Uitslagen
De zestien snelste zwemmers in de series kwalificeerden zich voor de halve finales, de snelste acht uit de halve finales gingen door naar de finale.
Series
| Rang | Serie | Baan | Naam | Land | Tijd | Bijz. |
| 1 | 9 | 4 | Maxime Grousset | Frankrijk | 22,74 | Q |
| 1 | 11 | 4 | Noè Ponti | Zwitserland | 22,74 | Q |
| 3 | 10 | 4 | Ilya Kharun | Canada | 22,85 | Q |
| 4 | 11 | 7 | Diogo Ribeiro | Portugal | 22,90 | Q |
| 5 | 11 | 5 | Nyls Korstanje | Nederland | 22,96 | Q |
| 5 | 11 | 8 | Ben Proud | Verenigd Koninkrijk | 22,96 | Q |
| 7 | 9 | 6 | Stergios Bilas | Griekenland | 23,04 | Q, NR |
| 8 | 11 | 6 | Thomas Ceccon | Italië | 23,06 | Q |
| 9 | 9 | 8 | Joshua Liendo | Canada | 23,16 | Q |
| 10 | 9 | 1 | Simon Bucher | Oostenrijk | 23,20 | Q |
| 10 | 11 | 2 | Dare Rose | Verenigde Staten | 23,20 | Q |
| 12 | 9 | 7 | Sean Niewold | Nederland | 23,21 | Q |
| 12 | 10 | 5 | Abdelrahman Sameh | Egypte | 23,21 | Q |
| 12 | 9 | 3 | Guilherme Caribé | Brazilië | 23,21 | Q |
| 15 | 10 | 8 | Michael Andrew | Verenigde Staten | 23,22 | Q |
| 16 | 11 | 3 | Luca Armbruster | Duitsland | 23,28 | Q |
| 17 | 10 | 1 | Szebasztián Szabó | Hongarije | 23,29 | |
| 18 | 10 | 9 | Adilbek Mussin | Kazachstan | 23,33 | NR |
| 19 | 9 | 5 | Oleg Kostin | Neutrale vlag | 23,34 | |
| 19 | 10 | 0 | Katsuhiro Matsumoto | Japan | 23,34 | |
| 21 | 10 | 3 | Dylan Carter | Trinidad en Tobago | 23,36 | |
| 22 | 11 | 0 | Teong Tzen Wei | Singapore | 23,38 | |
| 23 | 9 | 9 | Jesse Coleman | Australië | 23,40 | |
| 24 | 11 | 1 | Grigori Pekarski | Neutrale vlag | 23,42 | |
| 25 | 11 | 9 | Kacper Czapla | Polen | 23,44 | |
| 25 | 9 | 2 | Egor Iurchenko | Neutrale vlag | 23,44 | |
| 25 | 8 | 3 | Daniel Zaitsev | Estland | 23,44 | |
| 28 | 10 | 7 | Shane Ryan | Ierland | 23,46 | |
| 29 | 10 | 6 | Meiron Cheruti | Israël | 23,51 | |
| 30 | 8 | 1 | Ji Yu-chan | Zuid-Korea | 23,57 | |
| 31 | 10 | 2 | Taikan Tanaka | Japan | 23,58 | |
| 32 | 8 | 4 | Eldor Usmonov | Oezbekistan | 23,62 | |
| 33 | 8 | 6 | Casper Puggaard | Denemarken | 23,65 | |
| 34 | 8 | 5 | Denis Popescu | Roemenië | 23,66 | |
| 35 | 8 | 8 | Mikel Schreuders | Aruba | 23,80 | |
| 36 | 9 | 0 | Nikola Miljenić | Kroatië | 23,87 | |
| 37 | 8 | 2 | Ulises Cazau | Argentinië | 23,88 | |
| 37 | 7 | 4 | Miloš Milenković | Montenegro | 23,88 | |
| 39 | 7 | 5 | Oscar Peyre Mitilla | Rwanda | 24,06 | |
| 40 | 8 | 0 | Alex Santiago | Puerto Rico | 24,11 | |
| 40 | 7 | 3 | David Young | Fiji | 24,11 | |
| 42 | 7 | 7 | Julien Henx | Luxemburg | 24,12 | |
| 43 | 8 | 7 | Tajus Juska | Litouwen | 24,13 | |
| 44 | 7 | 8 | Lin Yuchen | China | 24,19 | |
| 45 | 7 | 0 | Benedicton Rohit | India | 24,26 | |
| 46 | 8 | 9 | Jorge Otaiza | Venezuela | 24,27 | |
| 47 | 7 | 6 | Birnir Freyr Hálfdánarson | IJsland | 24,29 | |
| 48 | 5 | 6 | Jesse Ssengonzi | Oeganda | 24,32 | |
| 49 | 6 | 5 | Colins Ebingha | Nigeria | 24,45 | |
| 50 | 7 | 9 | Abeiku Jackson | Ghana | 24,49 | |
| 51 | 6 | 4 | Matthieu Seye | Senegal | 24,54 | |
| 52 | 7 | 2 | Emre Sakçı | Turkije | 24,62 | |
| 53 | 6 | 6 | Grisi Koxhaku | Albanië | 24,84 | |
| 53 | 5 | 3 | Adam Moncherry | Seychellen | 24,84 | |
| 55 | 6 | 1 | Josh Kirlew | Jamaica | 24,95 | |
| 56 | 6 | 9 | Julio César Rodríguez | Panama | 25,08 | |
| 57 | 5 | 2 | Yousif Bu Arish | Saoedi-Arabië | 25,15 | |
| 57 | 6 | 8 | Johann Stickland | Samoa | 25,15 | |
| 59 | 6 | 7 | Charles Hockin | Paraguay | 25,17 | |
| 60 | 5 | 4 | Matthew Lawrence | Mozambique | 25,28 | |
| 61 | 6 | 2 | Nika Tchitchiashvili | Georgië | 25,29 | |
| 62 | 2 | 1 | Jeno Heyns | Suriname | 25,46 | |
| 63 | 4 | 3 | Damien Shamambo | Zambia | 25,50 | |
| 64 | 5 | 7 | Christien Kelly | Barbados | 25,51 | |
| 65 | 5 | 1 | Finau Ohuafi | Tonga | 25,53 | |
| 66 | 5 | 0 | Lam Chi Chong | Macau | 25,59 | |
| 67 | 5 | 5 | Joash McKonie | Zimbabwe | 25,63 | |
| 68 | 6 | 3 | Jefferson Kpanou | Benin | 25,64 | |
| 69 | 4 | 5 | David Akopyan | Turkmenistan | 25,66 | |
| 70 | 4 | 4 | Matin Balsini | Vluchtelingenteam | 25,69 | |
| 70 | 6 | 0 | Dulyawat Kaewsriyong | Thailand | 25,69 | |
| 72 | 1 | 3 | Aaron Ghebre Owusu | Eritrea | 25,76 | |
| 73 | 5 | 8 | Stephen Nyoike | Kenia | 26,01 | |
| 74 | 4 | 6 | Belly-Cresus Ganira | Burundi | 26,03 | |
| 75 | 4 | 8 | Nathaniel Noka | Papoea-Nieuw-Guinea | 26,06 | |
| 76 | 2 | 6 | Salem Sabt | Verenigde Arabische Emiraten | 26,25 | |
| 77 | 1 | 4 | Ajal Kaji Tamrakar | Nepal | 26,49 | |
| 78 | 2 | 3 | Naeem DeSouza | Antigua en Barbuda | 26,52 | |
| 79 | 3 | 1 | Kazuumi Nestor | Palau | 26,56 | |
| 79 | 5 | 9 | Francky Ramiakatrarivo | Madagaskar | 26,56 | |
| 81 | 4 | 7 | Katerson Moya | Micronesië | 26,67 | |
| 82 | 4 | 1 | Tsui Yik Ki | Hongkong | 26,71 | |
| 83 | 2 | 7 | Mohammed Al-Wahaibi | Oman | 26,76 | |
| 84 | 4 | 2 | Houmed Houssein Barkat | Djibouti | 27,25 | |
| 85 | 4 | 0 | Nigel Fontenelle | Sint Maarten | 27,58 | |
| 86 | 2 | 8 | Michael Miller | Noordelijke Marianen | 27,64 | |
| 87 | 3 | 3 | Fodé Camara | Guinee | 28,17 | |
| 88 | 2 | 2 | Michael Joseph | Tanzania | 28,37 | |
| 89 | 4 | 9 | Kinley Lhendup | Bhutan | 28,53 | |
| 90 | 2 | 5 | Ryuto Saysanavongphet | Laos | 28,67 | |
| 91 | 3 | 5 | Asher Banda | Malawi | 28,71 | |
| 92 | 3 | 9 | Leo Lebot | Vanuatu | 29,28 | |
| 93 | 3 | 0 | Yusuf Nasser | Jemen | 29,89 | |
| 94 | 3 | 2 | Hadji Hassane | Comoren | 30,22 | |
| 95 | 2 | 0 | Ben Lassina Traoré | Ivoorkust | 30,34 | |
| 96 | 1 | 5 | Jacob Mugisha | Congo-Kinshasa | 30,38 | |
| 97 | 3 | 6 | Charly Ndjoume | Kameroen | 30,95 | |
| — | 3 | 4 | Ousman Jobe | Gambia | Niet gestart |
| 7 | 1 | Bryan Leong | Maleisië |
| 2 | 4 | Higinio Ndong Obama | Equatoriaal-Guinea |
| 3 | 7 | Moses Yongai | Sierra Leone |
| 3 | 8 | Magnim Jordano Daou | Togo | Gediskwalificeerd |
Halve finales
| Rang | Serie | Baan | Naam | Land | Tijd | Bijz. |
| 1 | 2 | 4 | Maxime Grousset | Frankrijk | 22,61 | Q, NR |
| 2 | 1 | 4 | Noè Ponti | Zwitserland | 22,72 | Q |
| 3 | 1 | 3 | Ben Proud | Verenigd Koninkrijk | 22,74 | Q, NR |
| 4 | 2 | 3 | Nyls Korstanje | Nederland | 22,79 | Q |
| 5 | 1 | 5 | Diogo Ribeiro | Portugal | 22,83 | Q |
| 6 | 1 | 6 | Thomas Ceccon | Italië | 22,84 | Q |
| 7 | 1 | 7 | Guilherme Caribé | Brazilië | 22,91 | Q |
| 7 | 1 | 8 | Luca Armbruster | Duitsland | 22,91 | Q, NR |
| 9 | 2 | 5 | Ilya Kharun | Canada | 22,92 | |
| 10 | 1 | 2 | Simon Bucher | Oostenrijk | 22,95 | NR |
| 11 | 2 | 2 | Joshua Liendo | Canada | 23,00 | |
| 12 | 2 | 6 | Stergios Bilas | Griekenland | 23,02 | NR |
| 13 | 2 | 7 | Dare Rose | Verenigde Staten | 23,11 | |
| 14 | 1 | 1 | Abdelrahman Sameh | Egypte | 23,12 | |
| 15 | 2 | 1 | Sean Niewold | Nederland | 23,17 | |
| 16 | 2 | 8 | Michael Andrew | Verenigde Staten | 23,23 | |