Trainer
Vladimir Cerin
6 starters today at Santa Anita Park, EQZ, EQK, SWL
Today's starters
| Post (ET) | Race | Horse | M/L | Model win | Jockey |
|---|---|---|---|---|---|
| 5:03 PM | SA R5 | #9 Mubtadaa | 8-1 | 8% | Armando Ayuso |
| 6:33 PM | EQZ R2 | #12 Grey's Boy | 8-1 | 7% | Umberto Rispoli |
| 6:33 PM | SA R8 | #12 Grey's Boy | 8-1 | 8% | Umberto Rispoli |
| 8:03 PM | EQK R2 | #9 Mubtadaa | 8-1 | 10% | Armando Ayuso |
| 9:33 PM | EQK R5 | #12 Grey's Boy | 8-1 | 7% | Umberto Rispoli |
| 9:33 PM | SWL R4 | #12 Grey's Boy | 8-1 | 6% | Umberto Rispoli |
Model win chance is the card model on each race page; the morning-line favourite wins more often than our top-ranked horse.
This meet
Santa Anita Park
| Surface | Won | Starts | Win rate |
|---|---|---|---|
| Dirt | 1 | 4 | too few to rate |
| Turf | 1 | 5 | too few to rate |
| All surfaces | 2 | 9 | 22% small sample |
Starts at the same track in the 45 days before today, the window the race pages call “this meet.” Under 8 starts we show the count only; under 30, rates move a lot and are tagged.
Last 12 months by race type
| Race type | Won | Starts | Win rate | 1st–3rd |
|---|---|---|---|---|
| Graded stakes | 0 | 4 | too few to rate | |
| Other stakes | 1 | 9 | 11% small sample | 44% |
| Allowance / optional claiming | 7 | 36 | 19% | 58% |
| Maiden special weight | 3 | 9 | 33% small sample | 56% |
| Claiming $25,000+ | 4 | 11 | 36% small sample | 55% |
| Claiming under $25,000 | 0 | 2 | too few to rate | |
| Maiden claiming | 4 | 12 | 33% small sample | 42% |
| All | 19 | 83 | 23% | 53% |
Thoroughbred races in our results data, through Oct 31, 2026. Name matched on surname and first initial, so two people who share both can be merged.
By situation
| Situation | Starts | Win rate | 1st–3rd |
|---|---|---|---|
| Routes | 243 | 14% | 40% |
| On turf | 217 | 13% | 39% |
| On dirt | 207 | 19% | 52% |
| Sprints | 181 | 19% | 53% |
| Allowance races | 150 | 14% | 45% |
| Claiming races | 112 | 18% | 46% |
| Won last time | 67 | 13% | 46% |
| Second start off a layoff | 59 | 20% | 54% |
| Turf to dirt | 45 | 20% | 47% |
| Sprint to route | 38 | 16% | 37% |
The trainer's record in each situation as printed with today's past performances (first-time starters, layoffs, surface and distance switches and so on).
With today's jockeys
| Jockey | Today | Won | Starts | Win rate |
|---|---|---|---|---|
| Armando Ayuso | Mubtadaa, Mubtadaa | 1 | 11 | 9% small sample |
| Umberto Rispoli | Grey's Boy, Grey's Boy, Grey's Boy, Grey's Boy | 2 | 4 | too few to rate |
Starts together in the last 12 months, through Oct 31, 2026.
Recent starters
| Date | Race | Horse | Finish | M/L | Jockey |
|---|---|---|---|---|---|
| 10/25 | SA R4 | Court Of Appeal | 4th of 7 | 9-2 | Kyle Frey |
| 10/24 | SA R7 | Antifona (FR) | 7th of 9 | 12-1 | Juan Hernandez |
| 10/24 | SA R4 | Mr. A. P. | Won of 6 | 9-5 | Emisael Jaramillo |
| 10/16 | SA R7 | Lanilla | 2nd of 8 | 10-1 | Drayden Van Dyke |
| 10/16 | SA R3 | Grey's Boy | Won of 8 | 9-5 | Juan Hernandez |
| 10/12 | SA R7 | Antifona (FR) | 3rd of 8 | 15-1 | Juan Hernandez |
| 10/4 | SA R8 | Lady Rider | 2nd of 7 | 8-1 | Tyler Baze |
| 9/26 | SA R8 | Mr. A. P. | 4th of 9 | 8-1 | Joel Rosario |
| 9/25 | SA R5 | Patricia's Boy | 7th of 7 | 5-1 | Juan Hernandez |
| 9/7 | KD R9 | Mr. A. P. | 9th of 14 | 8-1 | Joel Rosario |
The last 10 settled starts in our results data, through Oct 31, 2026. M/L is the morning line.