January 11 of `` The Biggest Loser : becomes the heaviest contestant ever on the series -- and his is mother , Maria , a 51-year-old corporate travel agent . Couples '' features its heaviest competitors yet . A 30-year-old deejay from Chicago , Chicago is the heaviest competitor ever at 239 lbs . The eighth episode of the new series premieres January 11 .
January 11 of `` The Biggest Loser : Couples '' features its heaviest competitors yet . A 30-year-old deejay from Chicago , Chicago is the heaviest competitor ever at 239 lbs . The eighth episode of the new series premieres January 11 .