World record holder Kyle Chalmers is an Australian competition swimmer. Specializing in butterfly and freestyle, he has the short course 100 metre freestyle world record expert. In the short course 50 metre butterfly and 50 metre freestyle events, he holds both the Australian and Oceanian records.

Chalmers won the Oceania championship in the 5000-meter butterfly and 100-meter freestyle at the 2014 Oceania Swimming Championships. He won the gold medal in the 100-meter freestyle event at the 2016 Summer Olympics in Rio de Janeiro, setting a world junior mark in the process. He won the 200 metre freestyle gold at the 2018 Commonwealth Games. Additionally, he took home gold in the 100-meter freestyle at the 2018 Pan Pacific Swimming Championships and silver in the same event at the 2019 World Aquatics Championships in Gwangju. In the 100-meter freestyle Olympic Games event at the 2020 Tokyo Olympics, he won his second Olympic medal, taking home the silver with a time of 47.08 in the final. He took home the gold medal in the 100-meter freestyle in the 2022 Commonwealth Games.

In 2019, Chalmers was the recipient of the Swimming Australia Awards – Patron’s Award and was a Finalist for Male Athlete of the Year at the Australian Institute of Sport Awards. In 2021, he made the FINA list of the Top 10 Moments: 2021 Swimming World Cup and twice appeared in the Swimming World feature The Week That Was.