Reviewed by GREG KING Documentary Director: Phil Keoghan. The Tour de France is one of the world’s great sporting events, and a real test of endurance, stamina and determination. The 1928 Tour was one of the most gruelling in the event’s history, and it was a real war of attrition as only 41 of the 161 riders who started the race actually reached the finish line. But the 1928 race was also memorable …