The Aon Maadi Cup regatta is the National Championships for secondary school rowing in New Zealand. The regatta is a New Zealand Secondary School Rowing Association (NZSSRA) and Rowing NZ event and it is New Zealand's largest rowing regatta. It is hosted by Karapiro Rowing Inc and South Island Rowing on alternative years.
The 2021 Aon Maadi Cup will be held at Lake Karapiro from 22 - 27 March.
2000 competitors from 120 schools are expected to compete with over 8,000 spectators.