100 metres Breaststroke, Boys
Participants
| Nr. | Athlete | NOC |
|---|---|---|
| 1 | Moncef Balamane |  ALG |
| 2 | Izaak Bastian |  BAH |
| 3 | Luis Weekes |  BAR |
| 4 | Vitor de Souza |  BRA |
| 5 | Alexander Milanovich |  CAN |
| 6 | Sun Jiajun |  CHN |
| 7 | José David Solís |  CRC |
| 8 | Marcus Mok |  HKG |
| 9 | Sebestyén Böhm |  HUN |
| 10 | Yu Hanaguruma |  JPN |
| 11 | Taku Taniguchi | JPN |
| 12 | Denis Petrashov |  KGZ |
| 13 | Didzis Rudavs |  LAT |
| 14 | Jānis Siliņš | LAT |
| 15 | Simon Greuter |  LIE |
| 16 | Andrés Puente |  MEX |
| 17 | Caspar Corbeau |  NED |
| 18 | Juri Dijkstra | NED |
| 19 | André Klippenberg Grindheim |  NOR |
| 20 | Leonard Kalate |  PNG |
| 21 | Jan Kałusowski |  POL |
| 22 | Michael Houlie |  RSA |
| 23 | Vladislav Gerasimenko |  RUS |
| 24 | Samuele Rossi |  SEY |
| 25 | Maximillian Ang |  SGP |
| 26 | Matija Može |  SLO |
| 27 | Dávid Gajdoš |  SVK |
| 28 | Demirkan Demir |  TUR |
| 29 | Santiago Saint-Upery |  URU |
| 30 | Ethan Dang |  USA |
| 31 | Aleksey Sidorchuk |  UZB |
| 32 | Phạm Thành Bảo |  VIE |