Complex sentence: After his first season of hurdling he returned to the flat in October 2006 for the Cesarewitch, in a field of 31 he won by a length from Inchnadamph.
Split into simpler sentences: After his first season of hurdling, he returned to the flat in October 2006 for the Cesarewitch. In a field of 31, he won by a length from Inchnadamph.