Complex sentence: Hutchinson's speciality is the individual time trial, but he has also won important races on the track and currently (June 2014) holds the competition records for 25 and 30 miles and is a previous holder of the 10,50 and 100-mile records.
Split into simpler sentences: Hutchinson's speciality is the individual time trial, but he has also won important races on the track. He currently (June 2014) holds the competition records for 25 and 30 miles and is a previous holder of the 10,50 and 100-mile records.