Complex sentence: They trained together and Grant took the world one-hour paced record at the Parc des Princes in 1932, riding 90.971 km. He won the Cent Milles 100-mile race in Paris in 1938.
Split into simpler sentences: They trained together and Grant took the world one-hour paced record at the Parc des Princes in 1932, riding 90.971km. The Bicycle, UK, 19 March 1941 He won the Cent Milles 100-mile race in Paris in 1938.