The penultimate stage of the 99th Tour de France is about to begin. The riders will leave Bonneval at two minute intervals until the final 14 who will be separated by three minutes. The starting order for the 53km time trial to Chartres is the reverse order of the position of the general classification.

The 'Lanterne rouge' after 3,319.4km of racing in the 2012 Tour is Jimmy Engoulvent (SAU). He is 3h49'09" behind Wiggins on GC after 18 stages and his start time for the time trial is midday.

Bradley Wiggins is the last to start; he begins his time trial at 4.33pm.

The sun is shining for this race that's contested entirely in the Eure-et-Loir department.

Live coverage of the stage will commence shortly.