Original sentence: Dennis cycled a mountain stage of the 2007 Tour de France, which he discussed in the fifth series of Mock the Week
Edited sentence: Dennis took part in the 2007 Tour de France cycling the open stage for amateurs which was held in the mountains 2 weeks before the main event.He started in 2400th place of 8000 entrants, finishing in 3400th from 4000 who completed it, 5 hours behind the winner.This  was discussed in the fifth series of Mock the Week and also QI series six, episode 5 'France'