Michael Phelps pumped his right fist upon completing the final leg for the winning relay team ahead of Australian great Grant Hackett on Saturday.
It was another golden moment for the winningest Olympic athlete in history, though don't expect to see him competing on the world's biggest stage again.
Phelps all but slammed the door on another return after leaving it ever-so slightly ajar in an interview with the Associated Press last month.
"I'm happy," he said. "I think four years ago, I wasn't. I think being able to come back and being able to finish how I did and being able to get back to where I wanted to get to — for me, at this point in my life...