USA Cycling has announced Olympic team pursuit silver medalist Kelly Catlin has died.

Catlin was part of the four-woman team at Rio 2016 that finished second behind Great Britain in the gold-medal race.

The 23-year-old won three successive world titles from 2016 in the event, while also forging a career on the road with Rally UHC Cycling.

Her death was confirmed by USA Cycling on Sunday following reports she had passed away on Friday.

"The U.S. cycling community suffered a devastating loss with the passing of Kelly Catlin, USA Cycling National Team member," president Rob DeMartini said.

"Kelly was more than an athlete to us, and she will always be part of the USA Cycling family. 

"Our thoughts and prayers are with the Catlin family. This is an incredibly difficult time and we want to respect their privacy.

"The entire cycling community is mourning this immense loss. We are offering continuous support to Kelly's teammates, coaches and staff. We also encourage all those who knew Kelly to support each other through the grieving.

"We are deeply saddened by Kelly's passing, and we will all miss her dearly. We hope everyone seeks the support they need through the hard days ahead, and please keep the Catlin family in your thoughts."

Rally UHC Cycling also tweeted their condolences following the news of Catlin's death.

"The news of Kelly’s passing has hit the team hard," they said. "Losing an incredible person at such a young age is very difficult. 

"Kelly was our friend and teammate. Our heartfelt condolences go out to her family and those who were fortunate enough to know her best."