Complex sentence: They were at Stair Park from 2003 until 2006: highlights include winning the Third Division title in their first season, followed by a further successive promotion from the Second Division to the First Division.
Split into simpler sentences: They were at Stair Park from 2003 until 2006. Highlights included winning the Third Division title in their first season, followed by a further successive promotion from the Second Division to the First Division.