Forced to Retire at 25, Olympic Gold Medalist Kaitlyn Farrington Decides to Inspire with Crazy Volcano-Climbing Trip

Michael Phelps: After Two DUIs, I Won't Drink Until After the Rio Olympics – If I Ever Drink Again

There was a time when Michael Phelps’ coach worried about what state he’d find the swimming champ in when he turned up for training in the morning.

Fellow Olympian Greg Louganis 'Had No Idea' Caitlyn Jenner Wanted to Transition

When gold-medal-winning diver Greg Louganis came out in the ’90s and revealed he was living with HIV, he helped shine a light on LGBT issues and made history as one of the first openly gay athletes.

But Louganis said he “had no idea” that his fellow Olympian Caitlyn Jenner – known as Bruce during her time as a decathlon champion – was struggling with her own gender identity.

Avril Lavigne Returns to the Stage at the Special Olympics in Her First Performance Since Revealing Lyme Disease Battle

Avril Lavigne gave her first public performance in more than a year on Saturday, singing during the opening ceremony for the Special Olympics World Games in Los Angeles.

The 30-year-old, who’s been publicly battling Lyme Disease since being diagnosed in 2014, debuted her newest single “Fly.”

Justin Bieber Cheers on Canada at the Special Olympics

Justin Bieber supported Canada at the opening ceremony of the 2015 Special Olympics World Games on Saturday, cheering proudly alongside the athletes from his home country.

Bieber, 21, stood alongside the Canadian team and helped the games participants get pumped up during the first day of the nine-day event in Los Angeles, California.

Caitlyn Jenner's 1984 Olympic Torch Could Fetch $20,000 at Auction

The Summer Olympic torch that Caitlyn Jenner (then known as Bruce) carried through Lake Tahoe, Nevada, in 1984 is going to the auction block, where it could bring in $20,000 – or even more.

100-Year-Old Man Competes in Meijer State Games of Michigan Despite Age Bracket Ending at 99

Fred Winter does 100 push-ups a day – one for each year he has been alive.

But 30 years ago, the former teacher and U.S. Navy veteran (who was aboard a ship at the Battle of Okinawa during World War II) wasn’t in the best shape. When he turned 70, he decided that he should check in with other men his age.

“I wanted to see how I stacked up,” Winter, from Holland Michigan, tells PEOPLE. “And let’s just say, it wasn’t good.”

It was then that he got involved in the Senior Olympics.

Olympian Removes Daughter's Loose Tooth with Javelin (VIDEO)

Bryan Clay is a multiple Olympic medal-winning American decathlete (silver medal in 2004, gold in 2008, if you’re counting). He is now retired. People take to retirement in different ways; this is apparently how Clay is dealing.

He attached a javelin to his daughter Ellie’s loose tooth and, well, did what Olympic javelin-throwers do. It’s the perfect combination of world-class athleticism and goofy dad stuff.

How Olympic Legend Shannon Miller Used Lessons from Sports to Beat Cancer

Shannon Miller has won more world championships and Olympic medals than any gymnast in U.S. history. And she survived ovarian cancer.

Now, she’s written a book, It’s Not About Perfect, which she tells PEOPLE is her attempt at “paying it forward.”

Michael Phelps Returns to Swimming After Suspension: I Need to Prove I Have Changed

Michael Phelps is back in the water – and determined to prove that he’s different.

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