USA Swimming is bringing you daily updates and results from the 2025 World Aquatics Junior Swimming Championships in Otopeni, Romania, August 19-24, where the next generation of U.S. swimmers compete on the international stage. 

Day 1 Results: Tuesday, August 19, 2025 

Men's 400m Freestyle - FINAL

5 – Aiden Hammer (Fox Island, Wash./ King Aquatic Club), 3:48.20

9 – Norvin Clontz (Charlotte, N.C./ Mecklenburg Swim Association), 3:51.86 

Women's 50m Breaststroke - Semifinals

1 – Rachel McAlpin (Brandon, Miss./Mississippi Makos Swim Team), 30.78

3 – Elle Scott (Charlotte, N.C./SwimMAC Carolina), 31.13

Men's 100m Backstroke - Semifinals

1 – Gavin Keogh (Erie, Colo./Flatiron Athletic Club), 53.52

10 – Collin Holgerson (Chattanooga, Tenn./SwimAtlanta), 55.21 

Women's 400 Individual Medley- FINAL

4 – Audrey Derivaux (Haddonfield, N.J./ Jersey Wahoos), 4:39.67 

5 – Kayla Han (La Mirada, Calif./ La Mirada Armada), 4:41.18 

Men's 100m Breaststroke - Semifinals

8 – Gabe Nunziata (Suffolk, Va./Old Dominion Aquatic Club), 1:00.68

14 – Andrew Eubanks (Portland, Ore/The Dolphins Portland Swimming), 1:01.57

Women's 100m Backstroke - Semifinals

1 – Charlotte Crush (Louisville, Ky./Lakeside Swim Team), 59.21

9 – Julie Mishler (Milford, Ind./Fishers Area Swimming Tigers), 1:00.65 

Men's 4x100m Freestyle Relay – FINAL

BRONZE – United States of America, 3:17.06 

Austin Carpenter (Dublin, Ohio/Central Ohio Aquatics), 49.71

Rowan Cox (Austin, Texas/Longhorn Aquatics), 48.93

Kenneth Barnicle (Mendham, N.J./Greater Somerset Country YMCA Storm), 49.57

Mike Rice (Waxhaw, N.C./Mecklenburg Swim Association), 48.85

Luke Vatev (Clarendon Hills, Ill.) (Prelims)

Women's 4x200m Freestyle Relay – FINAL

SILVER – United States of America, 7:52.82

Kennedi Dobson (Levittown, Pa./Eastern Express Swim Team), 1:57.53

Lily King (LaTrobe, Pa./Mount Pleasant Aqua Club), 1:58.39

Kayla Han (La Mirada, Calif./ La Mirada Armada), 2:00.21

Rylee Erisman (Windermere, Fla./ Laker Swim), 1:56.69

Liberty Clark (Chico, Calif./Pleasanton Seahawks) (Prelims)

Brinkleigh Hansen (Saint Petersburg, Fla./Saint Petersburg Aquatics) (Prelims)

Competition continues through Sunday at the Aquatic Centre Otopeni. Prelims begin at 2:30 a.m. ET, while finals start at 11 a.m. ET.  Meet information and the complete competition schedule are available here.