Complex sentence: As of October 2005, Lost in the Fog was undefeated with a record of 10 for 10; all of his races have been sprints (short races; 6 or 7 furlongs) on the dirt, under Hall-of-Fame jockey Russell Baze.
Split into simpler sentences: As of October 2005, Lost in the Fog was undefeated with a record of 10 for 10; all of his races have been sprints (short races; 6 or 7 furlongs) on the dirt. Many of his races have been under Hall-of-Fame jockey Russell Baze.