Complex sentence: Sam Webster (born 16 July 1991) was the 2009 Sprint, Keirin and Team Sprint World Champion at the Junior World Champion and New Zealand national track cycling champion.
Split into simpler sentences: Sam Webster (born 16 July 1991) is a New Zealand track cyclist. He was the 2009 sprint, keirin and team sprint World Champion at the Junior World Championships and New Zealand national track cycling champion.