His father ran the ACDC Dart Club and Harris watched as a child his parents and other family members when they played.

When Eric Bristow came to New Zealand for the WDF World Cup, Harris' father played against him and won.

Internationally, his biggest success so far was the last 32 of the Winmau World Masters in 2015 where he lost to Scott Waites 3–0.

[1] In 2016, he represented New Zealand together along with Warren Parry in the PDC World Cup of Darts.

[2] At the 2017 event, Harris and Rob Szabo were eliminated 5–2 by Belgium in the opening round.