Campeonato de Fútbol de Nueva Zelanda
Clapham played 117 times for Canterbury United, having scored 61 goals from the centre of midfield. His first goal came in his club's 2–0 victory over Waikato FC on 8 November 2009. Having helped his side to 4th in the New Zealand Football Championship and progressing to the playoff final, he was awarded New Zealand Football Championship Player of the Year for the 2009–10 season.