a few years old DVD - confession

Since 2001, over 90,000 cyclist's have joined Cycling Forums to discuss topics from general cycling to equipment, training, racing and travel or vacation destinations (especially in europe during the tour de france). We also feature an great deals in our online store, 100's of articles, classifieds and product reviews.

searched the whole forum. cant find it.
What is the title of a movie released a few years ago, about professional cycler who admitted what all he has done in his PRO years.
please help me.