The Trentham Stakes is a Group 3 weight-for-age race held for thoroughbred racehorses at Trentham Racecourse near Wellington, New Zealand. Held over 2100 metres in January, it is seen as the main lead-up race to the Wellington Cup, which is run the following week. The 1989 race was named in the January 31 'Upper Hutt Leader' as the Mobil Wellington Stakes, and was won by the mare Empire Rose.