Ariarne Titmus, a four-time Olympic swimming gold medalist for Australia who forged a rivalry with Katie Ledecky, announced her retirement at age 25. “A tough (decision), a really tough one, but one ...

Four-time Olympic gold medallist Ariarne Titmus announced her immediate retirement from swimming on Thursday, calling it a "really tough" decision as she was lauded as "a living legend". The ...

BRISBANE, Australia (AP) — The Olympic champion known affectionately as “Arnie” chose to terminate her elite swimming career immediately, an ending that caught her audience completely by surprise.