Following Thompson's retirement, Foy then paired up with Hannah van Kampen going on to win three World Championship titles, one silver and two bronze World Championship medals across UCI Para-Cycling Track and Road World Championships.
"I wish to thank all those that have supported me over the years and shared the journey with me. I am excited about what the future holds and to move on to new challenges. More immediately, I look forward to having the time and freedom to spend with friends and family,'' Foy said.
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Fiona Allan, PNZ CEO, said: "Emma has had an exceptional career in Para-cycling. PNZ wishes to acknowledge and thank Emma for her commitment and determination which culminated in inspirational performances at World Championship events and at the Paralympic Games. We wish Emma all the best for her continuing studies and future endeavours."
Foy was a key member of the New Zealand Paralympic Team that produced performances in Rio making it the country's most successful Paralympic Games ever. The New Zealand Paralympic Team secured a stunning 21 medals across 12 individual medallists – nine gold, five silver and seven bronze – beating its pre-Games target of 18 by three.
Overall, the team placed 13 out of 159 on the medal table, its highest placing ever, and defended its title of No 1 in the world for medals per capita won during London 2012.