Diameter is a 3-year-old Colt, trained by Chris Waller, based at Rosehill. With 11 career starts and 2 wins, it has earned $508,050.
| Date | Track | Dist | Class | Going | Bar | Wgt | Jockey | Result | Margin | Time | SP | Winner / 2nd |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 10 Oct 2026 | Caulfield | 1600m | Open | G3 | 9 | 57kg | Jye Mcneil | 6 of 11 | 8.7L | 1:35.17 | 31 | Warwoven |
| 27 Sept 2026 | Caulfield | 1600m | Open | G4 | 1 | 57kg | James Mc Donald | 1 of 9 | 0.1L | 1:37.13 | 3.2 | Somethings Burnin' |
| 12 Sept 2026 | Flemington | 1400m | Open | G4 | 1 | 58kg | Jason Collett | 6 of 14 | 2.1L | 1:22.83 | 13 | Lara Antipova |
| 29 Aug 2026 | Rosehill | 1300m | Open | G4 | 2 | 61kg | Tommy Berry | 6 of 10 | 3.5L | 1:16.08 | 26 | Plagiarism |
| 21 Aug 2026 | Rosehill | 1030m | Barrier Trial | S5 | 6 | — | Nash Rawiller | 3 of 6 | 2.7L | 1:04.33 | — | Southend |
| 4 Aug 2026 | Warwick Farm | 792m | Barrier Trial | S5 | 2 | — | James Mc Donald | 4 of 8 | 1.8L | 0:47.05 | — | Just Glamourous |
| 21 July 2026 | Warwick Farm | 900m | Barrier Trial | S7 | 6 | — | Siena Grima | 8 of 9 | 5.5L | 0:53.99 | — | Beiwacht |
| 18 Apr 2026 | Randwick | 1600m | Open | G4 | 7 | 56.5kg | Adam Hyeronimus | 3 of 12 | 0.4L | 1:35.45 | 26 | Fireball |
| 11 Apr 2026 | Randwick | 1600m | Open | G4 | 11 | 57kg | Tommy Berry | 1 of 11 | 1L | 1:36.84 | 6.5 | Salann |
| 28 Mar 2026 | Rosehill | 1400m | Open | S6 | 10 | 56.5kg | Tim Clark | 8 of 13 | 4.5L | 1:26.18 | 16 | Southend |
| 7 Mar 2026 | Flemington | 1400m | Open | G4 | 9 | 57kg | Ben Melham | 4 of 10 | 2.1L | 1:22.77 | 17 | Grinzinger Heart |
| 14 Feb 2026 | Flemington | 1100m | Open | G4 | 5 | 57kg | Jye Mcneil | 3 of 7 | 4.6L | 1:03.90 | 13 | Hard Kick |
| 4 Nov 2025 | Flemington | 1000m | Open | S6 | 8 | 58kg | Damian Lane | 5 of 12 | 5.9L | 0:58.79 | 8.5 | Tornado Valley |
| Condition | Starts | Record | Win % | Place % |
|---|---|---|---|---|
| This track | 2 | 1-0-1 | 50% | 100% |
| Good | 9 | 2-0-2 | 22% | 44% |
| Soft | 2 | 0-0-0 | 0% | 0% |
| First-up | 3 | 0-0-1 | 0% | 33% |
| Second-up | 2 | 0-0-0 | 0% | 0% |
| Track | Runs | Wins | Places | Win % | Place % |
|---|---|---|---|---|---|
| Flemington | 4 | 0 | 1 | 0% | 25% |
| Rosehill | 2 | 0 | 0 | 0% | 0% |
| Randwick | 4 | 0 | 1 | 0% | 25% |
| Caulfield | 2 | 1 | 1 | 50% | 50% |
| Jockey | Runs | Wins | Places | Win % | Place % |
|---|---|---|---|---|---|
| Damian Lane | 1 | 0 | 0 | 0% | 0% |
| Jye Mcneil | 2 | 0 | 1 | 0% | 50% |
| Ben Melham | 1 | 0 | 0 | 0% | 0% |
| Tim Clark | 1 | 0 | 0 | 0% | 0% |
| Tommy Berry | 2 | 0 | 0 | 0% | 0% |
| Adam Hyeronimus | 1 | 0 | 1 | 0% | 100% |
| Jason Collett | 1 | 0 | 0 | 0% | 0% |
| James Mc Donald | 1 | 1 | 1 | 100% | 100% |
| Nash Rawiller | 1 | 0 | 0 | 0% | 0% |
| Tyler Schiller | 1 | 0 | 0 | 0% | 0% |
| Date | Race | Event | Dist | Jockey |
|---|---|---|---|---|
| 27 Sept 2026 | R6 | Stutt Stakes | 1600m | James Mc Donald |