The driver was charged with manslaughter in connection with her death.
The Brazos County Sheriff’s Office said the 31-year-old driver reportedly passed by two bicyclists, including Rapp, before he stopped and reversed his vehicle, striking the boxer.
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First responders attempted life-saving care on Rapp before she was rushed to a hospital, where she later died.
An investigation into the crash is ongoing.
The World Boxing Council called Rapp’s death a “painful loss.”
“The loss of Hannah Rapp leaves us heartbroken. She was an exceptional boxer, but above all, an invaluable member of our boxing family,” WBC President Mauricio Sulaimán said in a news release. “We join in the grief that overwhelms her loved ones, her team, and all those who had the privilege of knowing and supporting her throughout her brilliant career.”
As a professional boxer, Rapp recorded eight wins, including five knockouts, while only recording one loss. Her one loss came to WBC World Featherweight Champion Tiara Brown.
“I know I will be WORLD CHAMP someday!!” Rapp wrote on Instagram.