Complex sentence: James Haydon (born 2 November 1973 in Amersham, Buckinghamshire), is a retired English motorcycle racer, who has raced 250cc, 500cc and Superbike at an international level, he retired in 2007.
Split into simpler sentences: James Haydon (born 2 November 1973 in Amersham, Buckinghamshire), is a retired English motorcycle racer. Who has raced 250cc, 500cc and Superbike at an international level, he retired in 2007.