Voting for the historic prize is set to open at 19:00 GMT on Tuesday as the live broadcast begins on BBC One, from Media City in Salford Quays – opposite Old Trafford.
The BBC Sport poll is expected to close before 21:00 GMT and that’s when the award will be presented to Earps or her fellow nominees: cricketer Stuart Broad, jockey Frankie Dettori, wheelchair tennis player Alfie Hewett, athlete Katarina Johnson-Thompson and golfer Rory McIlroy.
Vote for Mary to win the Sports Personality of the Year award from 19:00 GMT.
The BBC Sports Personality of the Year 2023 contenders!