He drove the establishment in Gisborne of the Eastland Sports Foundation Education Trust, now known as Sport Gisborne Tairawhiti.
As founding chief executive of the regional sports trust, he led the organisation from 1990 to 2002.
Sheldrake and his wife Kathy were integral to the delivery of the Weet-Bix Kids TRYathlon.
Terry Sheldrake was president of Triathlon New Zealand from 1996 to 2000, and on the International Triathlon Union (ITU) executive board from 2008 to 2020. He was made a life member of Triathlon New Zealand in 2009 and in 2015 received the New Zealand Order of Merit for services to triathlon.
At last year’s New Zealand Sport and Recreation Awards, Sheldrake received a lifetime achievement award.
In a video feed, Sheldrake said sport was all about the athletes. If they were having a good time, the work done by administrators amounted to an amazing way to spend a life. He thanked his wife and family for their support.