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Four American swimmers competed in the 3-kilometer knockout sprint on the third day of racing at the 2025 World Aquatics Open Water Championships. The event, which was recently added to the international competition schedule, features a three-part race where athletes must qualify to advance to the next round. Two heats compete in a 1500-meter swim, where the top 10 athletes from each heat proceed to the semifinals. In the semifinal heat, athletes race 1000m to vie for a spot in the top 10 final. The final heat is a 500m sprint to the finish to decide overall placement.

In the men’s event, Ivan Puskovitch (West Chester, Pa./TSM Aquatics) went 6:07.20 in the finals to claim a seventh-place finish. In the same event, Dylan Gravley (Las Vegas, Nev./Sun Devil Swimming) made it to the semifinals with a time of 11:37.70.

Also making it to the semifinals was Mariah Denigan (Walton, Ky./Indiana Swim Club), who placed seventeenth overall with a time of 12:21.90 in the 1000m. Brinkleigh Hansen (Saint Petersburg, Fla./Saint Petersburg Aquatics) closed out the placements for the Americans with a time of 18:39.20 in the 1500m to place twenty-eighth overall.

Women’s 3K Knockout Sprint – FINAL

17 – Mariah Denigan (Walton, Ky./Indiana Swim Club), 18:36.40, 12:21.90

Denigan on her goals for her race: “My goal in the 1500 was to get out fast and get into a comfortable position where I knew that even if the girls were kicking it into gear the last 100 meters, I would still be safe to move onto the next round. I felt really smooth in that first 1500 and was able to make it through seventh in my heat. I was really happy with that.”

28 – Brinkleigh Hansen (Saint Petersburg, Fla./Saint Petersburg Aquatics), 18:39.20

Hansen on the knockout sprint race: “I knew this race was going to be really tough because we have so many amazing girls out there. I knew you kind of have to give it your all from the start, and if you advance, you have to give it even more. Those competitors are so amazing that you can’t save up, otherwise you won’t have another opportunity.”

Men’s 3K Knockout Sprint – FINAL

7 – Ivan Puskovitch (West Chester, Pa./ TSM Aquatics), 17:08.80, 11:31.80, 6:07.20

Puskovitch on his seventh-place finish: “I am so proud to have made it to the final for Team USA. This is a new event and it’s been a ton of fun…I knew coming into World Championships I wanted to take that step up and make it to the final and fight for the medal positions. I’m so honored to be in the final for Team USA since technically it is my first final appearance in a multi-round event on the international stage. I’m really happy with my placement today, but it’s always great to have something else to work towards. I finished just outside the medals today, so next time I do this event, I’m going to be on the hunt for a podium placement.”

Puskovitch on home training for this event: “Me and my coach, Mohammad Khadembashi at TSM Aquatics, have been really targeting this event ever since it was added to the World Championship lineup, in addition to that Olympic 10k distance. I was definitely racing for both of us because we are a two-man team and are in it together. Whether he is here with me in person or in spirit, I’m always racing for myself, my team, and my coach.”

19 – Dylan Gravley (Las Vegas, Nev./Sun Devil Swimming), 17:08.60, 11:37.70

Gravley on his race strategy: “I think you still approach this race the same as you would for any other open water race, by conserving as much energy as possible. That’s what I tried to do. I had to work really hard, because I had a tough initial heat. I was able to conserve some, but it’s about working with what you got and trying to make sure you are looking for the right spots to slide into a better position. I wasn’t able to execute as well as I would have liked today, but sometimes that’s just the way it goes.”

Open water competition concludes tomorrow, Sunday, July 20 at the Palawan at Sentosa. Tomorrow’s action includes the Mixed 4x1500m relay and begins at 8 a.m. Singapore standard time/Saturday, July 19 at 8 p.m. ET. Meet information and the complete competition schedule are available here.

Click here to see the full broadcast schedule for 2025 World Aquatics Championships. Click here to view the open water competition online.