Daniel Wiffen booked his his place in the 1500m freestyle final at the World Aquatics Championships in Doha on Saturday, while Mona McSharry progressed to the 50m breaststroke decider.
On Thursday, Wiffen made history by winning 800m freestyle gold, becoming the first Irish swimmer to claim a medal at the World Championships. Last Sunday, he had finished seventh in the less familiar 400m event.
This morning, he made his third final of the week by winning his heat in 14:54.29. Wiffen is the sixth seed for Sunday's final, just eight tenths of a second inside the top eight.
Speaking after the race, Wiffen, 22, said: "I’m good, I tried to take it as easy as possible and just pace it to get back. I’m in sixth position going in, I could have missed it by 0.8 there, so I’m pretty happy with that. I did what I wanted to do, it was fun for me."
The 1500m freestyle final will take place on at 4.16pm [Irish time] on Sunday.

After taking fifth in both the 100m and 200m breaststroke finals, McSharry was back on the blocks for the 50m breaststroke.
The 23-year-old touched second in her heat in 30.72 this morning and then improved to booked a place in the final with a 30.57 swim in the semis.
The Sligo woman was fourth in her semi-final and joint sixth-fastest overall. Her final is at 4.09pm on Sunday.
"I think being able to go back to back racing in multiple events and being able to make it back to multiple finals is really encouraging," she said afterwards.
"I get to go again tomorrow, the 50m’s just a splash and dash so it’s a nice one to finish on’.
Erin Riordan closed out her championships in the 50m freestyle, her first individual race at world level. The National Centre Dublin swimmer clocked 26.26 to finish 46th overall.
Tomorrow, Ireland's men’s 4x100m Medley Relay will take to the blocks seeking an Olympic Games spot.
The top 16 times achieved between the 2023 World Championships and tomorrow’s race will confirm the places for Paris.
The Ireland men's team currently sit in 13th place and will look to improve their time of 3:35.03 from last year.
While Ireland’s women’s 4x100m Medley Relay will not compete in Doha, they will also learn their Olympic fate by the end of the day.
The women’s team are also in 13th place from the 2023 championships, with a time of 4:01.25.