Stage 19 preview: Daniel Lloyd of Team IG Sigma Sport rides Saturday's time-trial route to Chartres
Daniel Lloyd of Team IG Sigma Sport checked out the 53.5km Stage 19 time-trial from Bonneval to Chartres, the last opportunity for the riders to make a move in the general classification.
Even with Bradley Wiggins apparently all but crowned this year's maillot jaune, there's still scope for plenty of changes, with the riders needing to navigate a complex, technical TT course.
We'll find out on Saturday: coverage of what could prove an epic day of bike racing begins at 2pm on ITV4, ITV4 HD and ITV.com/tour.
Watch Gary Imlach's preview of the crucial Stage 19
Follow ITV Cycling on Twitter
Latest Tour de France features
Video: Bradley Wiggins' Tour de France in three minutes
Music and the Tour de France are a match made in heaven, as Kraftwerk proved back in the 1980s. Here's a full list of the music ITV has used in its coverage of the 2012 Tour
Bradley Wiggins made history in 2012, becoming the first British rider to win the Tour de France
ITV Sport reporter Ned Boulting takes a look at the amazing performance of Slovakian sensation Peter Sagan aka The Tourminator in this year's Tour with three stage wins and the green points jersey in the bag