The Race 20 January 2026 NZTR Unveils $500,000 Group 1 Bonus to Drive Elite 4YO Participation NZTR has confirmed a lucrative new $500,000 Group 1 4YO Bonus that will be available to the first horse that wins a New Zealand-based Group 1 race in its four-year-old season, that runs in the 2026 $4 million NZB Kiwi (1500m).