Lashinda Demus and Brigetta Barrett, two 2012 Olympic silver medalists, will miss the U.S. Olympic Track and Field Trials in July and will not be able to return to the Games in August.
Demus, 33, took silver in the 400m hurdles in London, .07 behind Russian Natalya Antyukh.
Demus, also a four-time world championships medalist in the event, last competed June 28, 2015, finishing fourth at the U.S. Championships.
Since, she has been slowed by plantar fasciitis, vitamin deficiencies, a herniated disc in her lower back that required surgery, a broken right arm and meniscus and PCL tears in her knee, according to a blog post published Tuesday.
“I’ve struggled with injuries every single year since my silver medal, and you can see every bit of that in my performances,” Demus said in the post. “The athlete over these 4 years hasn’t come close to the athlete that I knew myself to be, and I think that’s what hurt my warrior soul the most.”
Demus said in the post she planned to come back next season.
The high jumper Barrett, on the other hand, has retired, according to her public relations and marketing agency.
She went from July 2014 to January 2016 without competing, according to Tilastopaja.org, reportedly undergoing hip surgery during that break.
She competed once this year but did not clear a height that would have automatically qualified her for the Olympic Trials. She was .01 off the needed height but still could have been invited to Trials.
Barrett took high jump silver at the 2012 London Games behind Russian Anna Chicherova, who recently failed a recent retest of a 2008 Beijing Olympic doping sample.
NBC Olympics track and field producer Seth Rubinroit contributed to this report.Follow @nzaccardi