Under the punishment imposed by US Judge Michael F. Urbanski, Fields will serve his sentence without the possibility of parole.
Every day I think about my actions and how this could have gone differently.
Fields, 22, wore a gray and white jumpsuit in court and was mostly expressionless during the morning testimony.
After court adjourned, Heyer's mother, Susan Bro, told reporters that Fields' apology was simply a last-ditch effort to get a reduced sentence.
"He's the least sincere person I've ever met," Bro said, adding that she's glad he was sentenced to life in prison.
"Fields rapidly accelerated, through a stop sign and across a raised pedestrian mall, and drove directly into the crowd.
Fields then rapidly reversed his car and fled the scene," according to the indictment. »