Tiffiney competed at the Athens 2004 Paralympic Games in Wheelchair tennis. She has since competed for New Zealand internationally in Para cycling from 2010 – 2015. In 2017 she won the female hand cycle division of the New York Marathon in 1.54.09 taking 9 minutes off her 2016 winning time and a full 20 minutes in front of her nearest competitor. Tiffiney is currently chairperson of Parafed Waikato, secretary of New Zealand Wheelchair Tennis, a board member of Life Unlimited Charitable Trust, and Trustee of the Brian Perry Charitable Trust.
Tiffiney officially received her ‘numbered’ pin as part of The Celebration Project in Hamilton in June 2019.
