16:00Radio 1 Breakfast with Greg JamesGreg's Sport Relief DiaryBBC Radio 1 Duration: 1 hour, 45 minutes Mon 25th Jan 2016, 16:00 on BBC Radio 1 EnglandFind out how Greg's training is going ahead of his Sport Relief Challenge!GenresMusicPop & ChartBrandRadio 1 Breakfast with Greg James Source: BBC Online