Megan Rossee and Michael Phelps
01/02/2013 AT 09:30 AM EST
Michael Phelps and his girlfriend Megan Rossee have apparently broken up.
The Olympic swimming sensation, who has a record 22 medals and retired
after the Summer 2012 Olympic Games, ended his relationship with Rossee, a model
, because it wasn't going anywhere and he wanted to pursue other options, according to TMZ.com
The couple had dated less than a year
and charted their relationship on Twitter
. While they have not publicly confirmed their split, recent Tweets suggest they're no longer a couple.
"Things happen for a reason. #notme," Phelps, 27, wrote on Twitter
Rossee, 25, later Tweeted a photo
of this saying: "A woman's loyalty is tested when her man has nothing. A man's loyalty is tested when he has everything."
"Yup," she wrote.
On Instagram, Rossee posted a photo of her New Year's Eve celebration.
"The love of my life is the love between friends," she wrote. "Happy New Year! #truelove #bffs."