After the Worlds, Wiffen will transfer his coaching base again to Eire after various years learning and swimming at Loughborough College.
He’ll cut up his time between Dublin and America, the place his twin Nathan will transfer to on the College of California later within the yr, as he builds in direction of the subsequent Olympics in Los Angeles in 2028.
The transfer may also imply the tip of his profitable partnership with coach Andi Manley, and Wiffen says he’s undecided on who he’ll work with within the subsequent stage of his profession.
However for now his focus is on the World Championships, the place he’ll add the 400 metre freestyle to the longer-distance 800m and 1500m.
Wiffen completed seventh within the 400m remaining in Doha earlier than profitable his two titles, admitting that “sparked one thing in me”.
“I do not need to are available seventh place, I need to win. I am including it again in, I’ll attempt to higher seventh place as my aim.
“We’ll see the way it goes. I am hoping for a medal in it. Will probably be powerful having now swam it for a yr however I am wanting ahead to it and the problem.”
He added that the 400m can be handled as a “warm-up” for the longer occasions, however he’s nonetheless aiming for a podium end.
“That is going to sound bizarre as a result of I attempt to deal with the 400m as a warm-up. Although I desire a medal in it, we’re speaking about attempting to get that swim out of the best way earlier than the 800m.
“Typically you want that start-up race to have a extremely good race in your second one. For the 400m, it is a warm-up race however I’ll give it the credit score and I’m attempting to win a medal.”