The New Zealand St. Leger is a major thoroughbred horse race run at Trentham Racecourse in New Zealand on New Zealand Oaks day in March each year.

It was run over 2500m up until 2018 and 2600m from 2019 onward, it is a test of a horse's staying ability.

Originally a race for three-year-old horses, it was later opened up to both three- and four-year olds and then from 2019 the race became an Open race with set weights and penalties.

Other notable races on New Zealand Oaks day are the: Among the past winners are some of the great New Zealand racehorses: Although in recent years the New Zealand St. Leger has diminished in stature it has continued to attract high class stayers, such as:

This horse race article is a stub.