Carrington equalled Danuta Kozák's record of winning all three K-1, K-2, K-4 events, over 500 metres, at one Olympics.

[11] In June 2009 she won a bronze medal at the World Cup regatta held in Szeged, Hungary, competing alongside Teneale Hatton in the women's K‑2 1000 metres event.

[12] In May 2010 the pair won the gold medal in the same event at a World Cup regatta in Vichy, France.

[26] On 3 August 2021, at the 2020 Summer Olympics in Tokyo, Carrington won her third consecutive gold medal in the K‑1 200 metres event.

[6] On the same day, she and her crewmate Caitlin Regal won a gold medal in the K‑2 500 metres event.

[33] In the 2013 New Year Honours, she was appointed a Member of the New Zealand Order of Merit for services to kayaking.

[38][39] In the 2022 New Year Honours, Carrington was promoted to Dame Companion of the New Zealand Order of Merit, for services to canoe racing.

[40] Carrington is an athlete ambassador for Beef and Lamb New Zealand, alongside Eliza McCartney, Sophie Pascoe and Sarah Walker.