USA's Michael Phelps set a new world record in the men's 400m Individual Medley final at the World Swimming Championships. His record breaking time was 4 minutes and 06.22 seconds.
How does it feel to be the planet's fastest-ever swimmer? Paul Casey, DUBLIN
It's definitely something I'm very proud of. I usually don't think about it like that. I think of it as something I love to do, and I'm just having fun with it.
What sacrifices have you had to make for swimming? Anne Huang, CHICAGO
Growing up in high school, I wasn't hanging out with friends every day or on the weekends. Doing normal high school kid things was something I was willing to give up. I know I won't have opportunities like this in the sport for the...
