Poland National Team (POL) - Team A

Borys KASZUBOWSKI , Maksymilian TOPOLNICKI , Tobiasz STASZKIEWICZ , Dominik KOSOWSKI

Australia National Team (AUS) - Team A

Riley BRENNAN , Kai GILBERT , Ethan CALLAGHAN , Brayden WOODFORD

New Zealand National Team (NZL) - Team A

Swimmer 3: Yahni BROWN , Swimmer 2: Isaac GEAR , Swimmer 4: Braith SWANBERG , Swimmer 1: Jasper CORNISH

France National Team (FRA) - Team A

Swimmer 1: Menez RAPHAEL , Swimmer 3: Bourdon LOUIS , Swimmer 2: Raynaud MATHIS , Swimmer 4: Fredonnet JULES

Spain National Team (ESP) - Team A

Marcos Serrano GARRIDO , Jaime Irueste ROJO , Hugo Valenciano MIGUELEZ , Diego Corcoba GIL

Great Britain National Team (GBR) - Team A

Kiran GAMMON , Jayden BEAUMONT , Tristyn JAMES , Cai WILLIAMS

Japan National Team (JPN) - Team A

Ryosuke OKUBO , So KOMATSU , Kai HAMAJI , Risei TAKADA

Czechia National Team (CZE) - Team A

Daniel SLUKA , Daniel MITKA , Michal HALASZ , David VERNER

South Africa National Team (RSA) - Team A

Alexander MOOLMAN , Christiaan van EEDEN , Tyne van ACHTERBERGH , Jake HUTTON

Ireland National Team (IRL) - Team A

Ferdia HAYES , Jamie FLYNN , Luca POWER , Charlie BRENNAN

United States National Team (USA) - Team A

Colin VEIT , Luke SUDOL , Lars OLSEN , Liam KNIGHT

Denmark National Team (DEN) - Team A

Swimmer 1: Per Lucas ODRICH , Swimmer 3: Maximilian UDAR , Swimmer 2: Mikkel Pålsen Omø NIELSEN , Swimmer 4: Malthe Elias Wolgast JENSEN

Hong Kong National Team (HKG) - Team B

WONG NGAI LAM , Chau WESLEY , CHENG CHEUK HIN , CHEUNG CHUN LAM

Canada National Team (CAN) - Team A

Isaac THIBODEAU , Oliver JOHNSON , MacDonald Noah 太郎（ノア マクドナルド タロウ） , Yannick MORGANS

Argentina National Team (ARG) - Team A

Valentín GARCÍA , Laureano REYNAL , Genaro GIANNI , Tobías BERTERO