Trainer
Group 1 · Australian season 2023
Mark Walker
4 Group 1 wins as a trainer
Top jockeyOpie Bosson · 4 wins
Top horseImperatriz · 4 wins · A$ 4,050,000
Most Group 1 wins atMoonee Valley · 3 wins
Biggest Group 1 winChampions Sprint · A$ 1,800,000
First Group 1 win of the seasonWilliam Reid Stakes · 24.03.23
Latest Group 1 winChampions Sprint · 11.11.23
Prize moneyA$ 4,279,000
Average prize per winA$ 1,012,500
Winning horses1
Countries1
Tracks2
Different jockeys1
Every Group 1 win as a trainer in 2023
| Champions Sprint | AUS | Imperatriz | Flemington | A$ 1,800,000 | 11.11.23 | |
| Manikato Stakes | AUS | Imperatriz | Moonee Valley | A$ 1,200,000 | 28.10.23 | |
| Moir Stakes | AUS | Imperatriz | Moonee Valley | A$ 450,000 | 29.09.23 | |
| William Reid Stakes | AUS | Imperatriz | Moonee Valley | A$ 600,000 | 24.03.23 |