Whitfield was born in Newcastle upon Tyne and after completing a degree in Media & Cultural Studies at the University of Sunderland, won a competition to become a traffic and travel presenter at Century Radio (now Real Radio, Gateshead) in 2001.
She went on to broadcast on the Magic Network across the north before making a move to the Breakfast Show at 103.4 Sun FM in 2004, where she co-hosted for two years along with Simon Grundy.
Whitfield was one of the last voices to be heard on BBC Three, along with fellow colleagues Emily Chiswell and Duncan Newmarch.
In September 2013, Whitfield returned to 103.4 Sun FM to present the weekend evening shows.
To date, she has carried out voice over work for Asda, NHS, Early Learning Centre, Calendar Club, Phuket FM, Music Radio Creative, Open University, Espresso Education, Barclays, British Airways, NTwine and The Perfume Shop sponsor for Blind Date.