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Horse profile
September Duke
- TrainerAndrew Slattery
- OwnerJohn Martin O'Neill
- FamilyEuropean Union
- Sex
- colt
- Foaled
- 2024
- Colour
- bay
- Record (GB & IRE)
- 0 wins from 2 runs (0%)
- Prize money (GB & IRE)
- €6,330 IRE
- Official rating
- Unrated
- Last run (GB & IRE)
- 13 Sep 2026, Curragh (IRE) (6/15)
- Last win (GB & IRE)
- Yet to win
September Duke has no declared runs or entries in Britain or Ireland at the moment.
Form
Race record
| Date | Course | Pos | SP | Btn | Jockey | Trainer | Race | Class | Type | Dist | Going | Wgt | Winner / 2nd | Winner prize | Days | Future form |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 13 Sep 26 | Curragh (IRE) | 6/15 | 200/1 | 7 | Seamie Heffernan | Andrew Slattery | Tattersalls Ireland Super Auction Sales Stakes | Non-handicap (unclassified) | Flat Turf | 6½f | Yielding | 9-1 | Star Of State (IRE) | €174,708 | 75 | 0/5 |
| 30 Jun 26 | Roscommon (IRE) | 11/15 | 18/1 | 13½ | Billy Lee | Andrew Slattery | Irish EBF Auction Series Maiden | Non-handicap (unclassified) | Flat Turf | 7½f | Good | 9-5 | Damsel In Distress (IRE) | €14,725 | - | 1/13 |
- 6/1513 Sep 26 · Curragh (IRE)200/1
Tattersalls Ireland Super Auction Sales Stakes
Non-handicap (unclassified)6½fYielding
All fields
- Date
- 13 Sep 26
- Course
- Curragh (IRE)
- Pos
- 6/15
- SP
- 200/1
- Btn
- 7
- Jockey
- Seamie Heffernan
- Trainer
- Andrew Slattery
- Race
- Tattersalls Ireland Super Auction Sales Stakes
- Class
- Non-handicap (unclassified)
- Type
- Flat Turf
- Dist
- 6½f
- Going
- Yielding
- Wgt
- 9-1
- Winner / 2nd
- Star Of State (IRE)
- Winner prize
- €174,708
- Days
- 75
- Future form
- 0/5
Irish EBF Auction Series Maiden
Non-handicap (unclassified)7½fGood
All fields
- Date
- 30 Jun 26
- Course
- Roscommon (IRE)
- Pos
- 11/15
- SP
- 18/1
- Btn
- 13½
- Jockey
- Billy Lee
- Trainer
- Andrew Slattery
- Race
- Irish EBF Auction Series Maiden
- Class
- Non-handicap (unclassified)
- Type
- Flat Turf
- Dist
- 7½f
- Going
- Good
- Wgt
- 9-5
- Winner / 2nd
- Damsel In Distress (IRE)
- Winner prize
- €14,725
- Days
- -
- Future form
- 1/13
Every British and Irish run since 1990, latest first. Btn is the overall distance beaten (lengths). Where the horse won, the runner-up and winning margin are shown.
Future form: next-time-out winners from this horse's races
| Date | Course | Race | This horse | Winner next time | Their pos | Won on | At | Race won |
|---|---|---|---|---|---|---|---|---|
| 30 Jun 26 | Roscommon (IRE) | Irish EBF Auction Series Maiden | 11/15 | Ballyskeagh (IRE) | 5 | 16 Jul 26 | Leopardstown (IRE) | Irish EBF Auction Series Maiden |
- 11/1530 Jun 26 · Roscommon (IRE)
Irish EBF Auction Series Maiden
All fields
- Date
- 30 Jun 26
- Course
- Roscommon (IRE)
- Race
- Irish EBF Auction Series Maiden
- This horse
- 11/15
- Winner next time
- Ballyskeagh (IRE)
- Their pos
- 5
- Won on
- 16 Jul 26
- Race won
- Irish EBF Auction Series Maiden
Other runners from this horse's races (latest 20 races with a next-time-out winner, up to 40 rows) that won on their next start in Britain or Ireland. FF on the race record = next-time-out winners / runners that have run again (this horse excluded).
Trainer changes
| Trainer | First run | Last run | First run for yard | Runs | Wins | 2nd | 3rd | Win % | Place % | Prize GB (£) | Prize IRE (€) |
|---|---|---|---|---|---|---|---|---|---|---|---|
| Andrew Slattery | 30 Jun 26 | 13 Sep 26 | 11/15 | 2 | 0 | 0 | 0 | £0 | €6,330 |
Andrew Slattery
- Trainer
- Andrew Slattery
- First run
- 30 Jun 26
- Last run
- 13 Sep 26
- First run for yard
- 11/15
- Runs
- 2
- Wins
- 0
- 2nd
- 0
- 3rd
- 0
- Win %
- Place %
- Prize GB (£)
- £0
- Prize IRE (€)
- €6,330
Trained by one trainer throughout its British and Irish career.
Stats
Career summary by code (GB & IRE)
| Code | Runs | Wins | 2nd | 3rd | Win % | Place % | Prize GB (£) | Prize IRE (€) | First run | Last run |
|---|---|---|---|---|---|---|---|---|---|---|
| Flat | 2 | 0 | 0 | 0 | £0 | €6,330 | 30 Jun 26 | 13 Sep 26 |
Flat
- Code
- Flat
- Runs
- 2
- Wins
- 0
- 2nd
- 0
- 3rd
- 0
- Win %
- Place %
- Prize GB (£)
- £0
- Prize IRE (€)
- €6,330
- First run
- 30 Jun 26
- Last run
- 13 Sep 26
Placed = 1st in 2-4 runners, 1st-2nd in 5-7, 1st-3rd in 8+.
Pedigree
Pedigree
Sire branchSergei Prokofiev (CAN)
Parent · 1
Grandparents · 2
- Sire's sireScat Daddy (USA)
- Sire's damOrchard Beach (CAN)
Great-grandparents · 4
- Sire's sire's sireNot traced
- Sire's sire's damNot traced
- Sire's dam's sireNot traced
- Sire's dam's damNot traced
Dam branchNuptials (USA)
Parent · 1
Grandparents · 2
- Dam's sireBroken Vow (USA)
- Dam's damEuropean Union (USA)
Great-grandparents · 4
- Dam's sire's sireNot traced
- Dam's sire's damNot traced
- Dam's dam's sireNot traced
- Dam's dam's damNot traced
Breeding card
Female line
- Nuptials (USA) · by Broken Vow (USA) · 1 winners from 3 runners
- European Union (USA) · 0 winners from 1 runners
Sire, dam and damsire
| Sire | Dam | Damsire | Breeder | Foaled | Colour | Sex | Sire's avg winning distance | Damsire's avg winning distance |
|---|---|---|---|---|---|---|---|---|
| Sergei Prokofiev (CAN) | Nuptials (USA) | Broken Vow (USA) | Shoreham Stud | 21 Mar 24 | bay | colt | Flat 6.5f | Flat 7.5f · NH 2m |
Sergei Prokofiev (CAN)
- Damsire
- Broken Vow (USA)
- Breeder
- Shoreham Stud
- Foaled
- 21 Mar 24
- Colour
- bay
- Sex
- colt
- Sire's avg winning distance
- Flat 6.5f
- Damsire's avg winning distance
- Flat 7.5f · NH 2m
Progeny of Sergei Prokofiev (CAN) in this horse's best conditions
| Condition | Runs | Wins | Placed | Win % | Place % | This horse runs | This horse wins |
|---|---|---|---|---|---|---|---|
| All Flat runs | 1,287 | 138 | 357 | 2 | 0 | ||
| At 7f to 1m | 502 | 47 | 144 | 2 | 0 | ||
| On Good to soft or yielding going | 116 | 11 | 34 | 1 | 0 | ||
| At 7f to 1m on Good to soft or yielding going | 45 | 4 | 17 | 1 | 0 |
All Flat runs
- Condition
- All Flat runs
- Runs
- 1,287
- Wins
- 138
- Placed
- 357
- Win %
- Place %
- This horse runs
- 2
- This horse wins
- 0
At 7f to 1m
- Condition
- At 7f to 1m
- Runs
- 502
- Wins
- 47
- Placed
- 144
- Win %
- Place %
- This horse runs
- 2
- This horse wins
- 0
On Good to soft or yielding going
- Condition
- On Good to soft or yielding going
- Runs
- 116
- Wins
- 11
- Placed
- 34
- Win %
- Place %
- This horse runs
- 1
- This horse wins
- 0
At 7f to 1m on Good to soft or yielding going
- Condition
- At 7f to 1m on Good to soft or yielding going
- Runs
- 45
- Wins
- 4
- Placed
- 17
- Win %
- Place %
- This horse runs
- 1
- This horse wins
- 0
Best distance band and going band are where this horse has most wins (then places, then runs) in its main code. Sire figures: all British and Irish runs by the sire's progeny since 1990.
Sergei Prokofiev (CAN) × Broken Vow (USA) mares (the cross)
| Code | Runners | Winners | Winners % | Black-type winners | Runs | Wins | 2nd/3rd | Win % | Prize GB (£) | Prize IRE (€) |
|---|---|---|---|---|---|---|---|---|---|---|
| Flat | 1 | 0 | 0 | 2 | 0 | 0 | £0 | €6,330 |
Flat
- Code
- Flat
- Runners
- 1
- Winners
- 0
- Winners %
- Black-type winners
- 0
- Runs
- 2
- Wins
- 0
- 2nd/3rd
- 0
- Win %
- Prize GB (£)
- £0
- Prize IRE (€)
- €6,330
Small sample (under 5 runners): read with care. Includes this horse.
Best of the cross
| Horse | Runs | Wins | Black-type wins | Prize GB (£) | Prize IRE (€) |
|---|---|---|---|---|---|
| September Duke (GB) | 2 | 0 | 0 | £0 | €6,330 |
September Duke (GB)
- Horse
- September Duke (GB)
- Runs
- 2
- Wins
- 0
- Black-type wins
- 0
- Prize GB (£)
- £0
- Prize IRE (€)
- €6,330
Top 12 by best win level, then wins.
Family
Dam summary
- G1 winners
- 0
- Produce
- 1 winners from 3 runners
Full siblings
No other foal by Sergei Prokofiev (CAN) out of Nuptials (USA) has raced in Britain or Ireland.
Half siblings
By Fulbright (GB)
- Baulac (GB)0W · 14R
By Due Diligence (USA)
- Degale (GB)1W · 18R
Female line
- 1Nuptials (USA) · by Broken Vow (USA)
- 2European Union (USA)
Notable relatives
No black-type winners in this female family in GB or IRE since 1990.
In brief
How old is September Duke?
September Duke (GB) is a 2-year-old bay colt, foaled on 21 March 2024.
Who are the sire and dam of September Duke?
September Duke (GB) is by Sergei Prokofiev (CAN) out of Nuptials (USA), a daughter of Broken Vow (USA), and was bred by Shoreham Stud.
Who trains September Duke?
September Duke (GB) is trained by Andrew Slattery and owned by John Martin O'Neill, and has run for no other trainer in Britain or Ireland.
What is September Duke's race record?
In Britain and Ireland, September Duke (GB) has run 2 times and is yet to win.
When did September Duke last run?
September Duke (GB) last ran in Britain or Ireland on 13 September 2026 at Curragh (IRE) in the Tattersalls Ireland Super Auction Sales Stakes, finishing 6th of 15.
Go deeper before the next race.
Open every racecard in full and get your research done before they go to post.
- 14racecard tabs per race
- 20+bookmaker prices side by side
- Trackeralerts when your horses are declared
30-day free trial
£0today
Start my 30-day free trialBy continuing you agree to our Terms and Intellectual Property and Acceptable Use policy.
£0 today. Card on step 2. £24.99 from day 31.Cancel any time.
Updated