Olympic champion Daniel Wiffen is channeling his mother's courageous battle with cancer into powerful motivation as he sets his sights on the Commonwealth Games in Glasgow this July.

Rachel Wiffen was diagnosed with leukaemia last November, delivering a heavy blow to the family just before the European Championships. But in a moment of triumph that brought tears to the pool deck, she stood proudly at the Northern Ireland squad announcement—and confirmed she is now in remission.

"The diagnosis came just before the Europeans, so it was a hard hitter for our family," said Wiffen, who captured Olympic gold in 2024. "I was in America at the time, but luckily I was coming back for the competition. The news broke at a moment where I was happy because I could return home. But it was sad for my twin brother Nathan—he was still in America."

For Wiffen, his mother has always been more than a spectator. "My mum is my number one supporter. She brought me to those early morning sessions. She helped me with everything. I wouldn't even be a swimmer today if it wasn't for her and my dad."

The European Championships marked the first major competition Rachel ever missed. "It was really hard not to see her in the stands when I was racing," Wiffen admitted.

Rachel received treatment at the Northern Ireland Cancer Centre at Belfast City Hospital, and the family's gratitude for the medical team is boundless. "Thanks to all the nurses and doctors—they're the reason my mum is still here," Wiffen said. "I brought my medals in to show them. I tried to do my part to support these people who put their lives on hold to help her. I've got nothing but respect and love for them. I'm so happy my mum was able to come out on the other side."

Now, with his mother in full remission and on the road to recovery, Wiffen is training harder than ever. He's moved his training base from California to Dublin, sharpening his strokes alongside fellow Irish swimmer and European competitor Conor Hill. Every lap in the pool carries extra meaning—and a reminder of the fight that fuels him.

"I'm very proud," he said quietly. And come July in Glasgow, the world will see just how powerful that pride can be.