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Horse profile
Supreme Diamond
- TrainerClive Cox
- OwnerAngelica Spence, A D Spence & I Madueke
- Sex
- filly
- Foaled
- 2023
- Colour
- bay
- Highest OR
- 71
- Record (GB & IRE)
- 1 win from 5 runs (20%)
- Prize money (GB & IRE)
- £7,578 GB
- Last official rating
- 71 (Flat)
- Last run (GB & IRE)
- 28 Sep 2025, Ffos Las (2/4)
- Last win (GB & IRE)
- 14 Sep 2025, Bath
Supreme Diamond 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 | OR | Winner / 2nd | Winner prize | Days | Future form |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 28 Sep 25 | Ffos Las | 2/4 | 11/4 | 4¼ | Joe Leavy | Clive Cox | Congratulations To Felinfoel RFC Nursery Handicap | Class 5 | Flat Turf | 5f | Heavy | 9-9 | 71 | Proof (GB) | £4,187 | 14 | 0/3 |
| 14 Sep 25 | Bath | 1/8 | 5/2F | won ½ | Joe Leavy | Clive Cox | Blackmore Building Contractors Restricted Maiden Fillies' Stakes | Class 5 | Flat Turf | 5f | Heavy | 9-2 | 68 | White Island (IRE) | £3,672 | 96 | 1/7 |
| 10 Jun 25 | Salisbury | 3/12 | 14/1 | 3¼ | David Probert | Clive Cox | Clive Cox Racing British EBF Restricted Novice Stakes (Div I) | Class 4 | Flat Turf | 6f | Good to Firm | 8-13 | - | Factual (IRE) | £5,400 | 17 | 1/11 |
| 24 May 25 | Goodwood | 5/6 | 11/2 | 2¼ | David Probert | Clive Cox | James Reid 60th Birthday EBF Maiden Fillies' Stakes | Class 4 | Flat Turf | 6f | Good | 9-2 | - | Indigo Dawn (IRE) | £11,515 | 15 | 1/4 |
| 9 May 25 | Ascot | 9/13 | 15/2 | 11¾ | Rossa Ryan | Clive Cox | Juddmonte British EBF Restricted Maiden Fillies' Stakes | Class 2 | Flat Turf | 5f | Good to Firm | 9-2 | - | Society Kiss (GB) | £16,200 | - | 1/11 |
Congratulations To Felinfoel RFC Nursery Handicap
Class 55fHeavy
All fields
- Date
- 28 Sep 25
- Course
- Ffos Las
- Pos
- 2/4
- SP
- 11/4
- Btn
- 4¼
- Jockey
- Joe Leavy
- Trainer
- Clive Cox
- Race
- Congratulations To Felinfoel RFC Nursery Handicap
- Class
- Class 5
- Type
- Flat Turf
- Dist
- 5f
- Going
- Heavy
- Wgt
- 9-9
- OR
- 71
- Winner / 2nd
- Proof (GB)
- Winner prize
- £4,187
- Days
- 14
- Future form
- 0/3
Blackmore Building Contractors Restricted Maiden Fillies' Stakes
Class 55fHeavy
All fields
- Date
- 14 Sep 25
- Course
- Bath
- Pos
- 1/8
- SP
- 5/2F
- Btn
- won ½
- Jockey
- Joe Leavy
- Trainer
- Clive Cox
- Race
- Blackmore Building Contractors Restricted Maiden Fillies' Stakes
- Class
- Class 5
- Type
- Flat Turf
- Dist
- 5f
- Going
- Heavy
- Wgt
- 9-2
- OR
- 68
- Winner / 2nd
- White Island (IRE)
- Winner prize
- £3,672
- Days
- 96
- Future form
- 1/7
Clive Cox Racing British EBF Restricted Novice Stakes (Div I)
Class 46fGood to Firm
All fields
- Date
- 10 Jun 25
- Course
- Salisbury
- Pos
- 3/12
- SP
- 14/1
- Btn
- 3¼
- Jockey
- David Probert
- Trainer
- Clive Cox
- Race
- Clive Cox Racing British EBF Restricted Novice Stakes (Div I)
- Class
- Class 4
- Type
- Flat Turf
- Dist
- 6f
- Going
- Good to Firm
- Wgt
- 8-13
- OR
- -
- Winner / 2nd
- Factual (IRE)
- Winner prize
- £5,400
- Days
- 17
- Future form
- 1/11
James Reid 60th Birthday EBF Maiden Fillies' Stakes
Class 46fGood
All fields
- Date
- 24 May 25
- Course
- Goodwood
- Pos
- 5/6
- SP
- 11/2
- Btn
- 2¼
- Jockey
- David Probert
- Trainer
- Clive Cox
- Race
- James Reid 60th Birthday EBF Maiden Fillies' Stakes
- Class
- Class 4
- Type
- Flat Turf
- Dist
- 6f
- Going
- Good
- Wgt
- 9-2
- OR
- -
- Winner / 2nd
- Indigo Dawn (IRE)
- Winner prize
- £11,515
- Days
- 15
- Future form
- 1/4
Juddmonte British EBF Restricted Maiden Fillies' Stakes
Class 25fGood to Firm
All fields
- Date
- 9 May 25
- Course
- Ascot
- Pos
- 9/13
- SP
- 15/2
- Btn
- 11¾
- Jockey
- Rossa Ryan
- Trainer
- Clive Cox
- Race
- Juddmonte British EBF Restricted Maiden Fillies' Stakes
- Class
- Class 2
- Type
- Flat Turf
- Dist
- 5f
- Going
- Good to Firm
- Wgt
- 9-2
- OR
- -
- Winner / 2nd
- Society Kiss (GB)
- Winner prize
- £16,200
- Days
- -
- Future form
- 1/11
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 |
|---|---|---|---|---|---|---|---|---|
| 14 Sep 25 | Bath | Blackmore Building Contractors Restricted Maiden Fillies' Stakes | 1/8 | Arrabbiata (IRE) | 7 | 4 Oct 25 | Newcastle (AW) | Get The Inside Track With raceday-ready.com EBF Restricted Maiden Fillies' St… |
| 10 Jun 25 | Salisbury | Clive Cox Racing British EBF Restricted Novice Stakes (Div I) | 3/12 | Perfect Location (GB) | 5 | 13 Jul 25 | Southwell (AW) | Have A Happy Retirement Derek Thompson EBF Restricted Maiden Fillies' Stakes … |
| 24 May 25 | Goodwood | James Reid 60th Birthday EBF Maiden Fillies' Stakes | 5/6 | Coming Attraction (IRE) | 2 | 19 Jun 25 | Chelmsford (AW) | Fenwick Style Stakes EBF Maiden Fillies' Stakes |
| 9 May 25 | Ascot | Juddmonte British EBF Restricted Maiden Fillies' Stakes | 9/13 | Sayidah Hard Spun (GB) | 4 | 21 May 25 | Kempton (AW) | Unibet/British Stallion Studs EBF Fillies' Restricted Novice Stakes |
- 1/814 Sep 25 · Bath
Blackmore Building Contractors Restricted Maiden Fillies' Stakes
All fields
- Date
- 14 Sep 25
- Course
- Bath
- Race
- Blackmore Building Contractors Restricted Maiden Fillies' Stakes
- This horse
- 1/8
- Winner next time
- Arrabbiata (IRE)
- Their pos
- 7
- Won on
- 4 Oct 25
- At
- Newcastle (AW)
- Race won
- Get The Inside Track With raceday-ready.com EBF Restricted Maiden Fillies' St…
- 3/1210 Jun 25 · Salisbury
Clive Cox Racing British EBF Restricted Novice Stakes (Div I)
All fields
- Date
- 10 Jun 25
- Course
- Salisbury
- Race
- Clive Cox Racing British EBF Restricted Novice Stakes (Div I)
- This horse
- 3/12
- Winner next time
- Perfect Location (GB)
- Their pos
- 5
- Won on
- 13 Jul 25
- At
- Southwell (AW)
- Race won
- Have A Happy Retirement Derek Thompson EBF Restricted Maiden Fillies' Stakes …
- 5/624 May 25 · Goodwood
James Reid 60th Birthday EBF Maiden Fillies' Stakes
All fields
- Date
- 24 May 25
- Course
- Goodwood
- Race
- James Reid 60th Birthday EBF Maiden Fillies' Stakes
- This horse
- 5/6
- Winner next time
- Coming Attraction (IRE)
- Their pos
- 2
- Won on
- 19 Jun 25
- At
- Chelmsford (AW)
- Race won
- Fenwick Style Stakes EBF Maiden Fillies' Stakes
- 9/139 May 25 · Ascot
Juddmonte British EBF Restricted Maiden Fillies' Stakes
All fields
- Date
- 9 May 25
- Course
- Ascot
- Race
- Juddmonte British EBF Restricted Maiden Fillies' Stakes
- This horse
- 9/13
- Winner next time
- Sayidah Hard Spun (GB)
- Their pos
- 4
- Won on
- 21 May 25
- At
- Kempton (AW)
- Race won
- Unibet/British Stallion Studs EBF Fillies' Restricted Novice Stakes
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 | OR first run | OR last run | Best OR | Runs | Wins | 2nd | 3rd | Win % | Place % | Prize GB (£) | Prize IRE (€) |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Clive Cox | 9 May 25 | 28 Sep 25 | 9/13 | 68 | 71 | 71 | 5 | 1 | 1 | 1 | £7,578 | €0 |
Clive Cox
- Trainer
- Clive Cox
- First run
- 9 May 25
- Last run
- 28 Sep 25
- First run for yard
- 9/13
- OR first run
- 68
- OR last run
- 71
- Best OR
- 71
- Runs
- 5
- Wins
- 1
- 2nd
- 1
- 3rd
- 1
- Win %
- Place %
- Prize GB (£)
- £7,578
- Prize IRE (€)
- €0
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 (€) | Best OR | First run | Last run |
|---|---|---|---|---|---|---|---|---|---|---|---|
| Flat | 5 | 1 | 1 | 1 | £7,578 | €0 | 71 | 9 May 25 | 28 Sep 25 |
Flat
- Code
- Flat
- Runs
- 5
- Wins
- 1
- 2nd
- 1
- 3rd
- 1
- Win %
- Place %
- Prize GB (£)
- £7,578
- Prize IRE (€)
- €0
- Best OR
- 71
- First run
- 9 May 25
- Last run
- 28 Sep 25
Placed = 1st in 2-4 runners, 1st-2nd in 5-7, 1st-3rd in 8+.
By race type
| Race type | Runs | Wins | 2nd | 3rd | Win % | Place % | Prize GB (£) | Prize IRE (€) |
|---|---|---|---|---|---|---|---|---|
| Flat Turf | 5 | 1 | 1 | 1 | £7,578 | €0 |
Flat Turf
- Race type
- Flat Turf
- Runs
- 5
- Wins
- 1
- 2nd
- 1
- 3rd
- 1
- Win %
- Place %
- Prize GB (£)
- £7,578
- Prize IRE (€)
- €0
By going
| Going | Runs | Wins | 2nd | 3rd | Win % | Place % | Prize GB (£) | Prize IRE (€) |
|---|---|---|---|---|---|---|---|---|
| Good to Firm | 2 | 0 | 0 | 1 | £1,268 | €0 | ||
| Good | 1 | 0 | 0 | 0 | £673 | €0 | ||
| Heavy | 2 | 1 | 1 | 0 | £5,637 | €0 |
Good to Firm
- Going
- Good to Firm
- Runs
- 2
- Wins
- 0
- 2nd
- 0
- 3rd
- 1
- Win %
- Place %
- Prize GB (£)
- £1,268
- Prize IRE (€)
- €0
Good
- Going
- Good
- Runs
- 1
- Wins
- 0
- 2nd
- 0
- 3rd
- 0
- Win %
- Place %
- Prize GB (£)
- £673
- Prize IRE (€)
- €0
Heavy
- Going
- Heavy
- Runs
- 2
- Wins
- 1
- 2nd
- 1
- 3rd
- 0
- Win %
- Place %
- Prize GB (£)
- £5,637
- Prize IRE (€)
- €0
By distance
| Distance | Runs | Wins | 2nd | 3rd | Win % | Place % | Prize GB (£) | Prize IRE (€) |
|---|---|---|---|---|---|---|---|---|
| 5f to 6f | 5 | 1 | 1 | 1 | £7,578 | €0 |
5f to 6f
- Distance
- 5f to 6f
- Runs
- 5
- Wins
- 1
- 2nd
- 1
- 3rd
- 1
- Win %
- Place %
- Prize GB (£)
- £7,578
- Prize IRE (€)
- €0
Flat bands: 5f-6f, 7f-1m, 9f-11f, 12f-13f, 14f+. NH bands: 2m-2m1f, 2m2f-2m5f, 2m6f-3m1f, 3m2f+.
By course
| Course | Runs | Wins | 2nd | 3rd | Win % | Place % | Prize GB (£) | Prize IRE (€) |
|---|---|---|---|---|---|---|---|---|
| Bath | 1 | 1 | 0 | 0 | £3,672 | €0 | ||
| Ascot | 1 | 0 | 0 | 0 | £0 | €0 | ||
| Ffos Las | 1 | 0 | 1 | 0 | £1,965 | €0 | ||
| Goodwood | 1 | 0 | 0 | 0 | £673 | €0 | ||
| Salisbury | 1 | 0 | 0 | 1 | £1,268 | €0 |
Bath
- Course
- Bath
- Runs
- 1
- Wins
- 1
- 2nd
- 0
- 3rd
- 0
- Win %
- Place %
- Prize GB (£)
- £3,672
- Prize IRE (€)
- €0
Ascot
- Course
- Ascot
- Runs
- 1
- Wins
- 0
- 2nd
- 0
- 3rd
- 0
- Win %
- Place %
- Prize GB (£)
- £0
- Prize IRE (€)
- €0
Ffos Las
- Course
- Ffos Las
- Runs
- 1
- Wins
- 0
- 2nd
- 1
- 3rd
- 0
- Win %
- Place %
- Prize GB (£)
- £1,965
- Prize IRE (€)
- €0
Goodwood
- Course
- Goodwood
- Runs
- 1
- Wins
- 0
- 2nd
- 0
- 3rd
- 0
- Win %
- Place %
- Prize GB (£)
- £673
- Prize IRE (€)
- €0
Salisbury
- Course
- Salisbury
- Runs
- 1
- Wins
- 0
- 2nd
- 0
- 3rd
- 1
- Win %
- Place %
- Prize GB (£)
- £1,268
- Prize IRE (€)
- €0
By class
| Class | Runs | Wins | 2nd | 3rd | Win % | Place % | Prize GB (£) | Prize IRE (€) |
|---|---|---|---|---|---|---|---|---|
| Class 2 | 1 | 0 | 0 | 0 | £0 | €0 | ||
| Class 4 | 2 | 0 | 0 | 1 | £1,941 | €0 | ||
| Class 5 | 2 | 1 | 1 | 0 | £5,637 | €0 |
Class 2
- Class
- Class 2
- Runs
- 1
- Wins
- 0
- 2nd
- 0
- 3rd
- 0
- Win %
- Place %
- Prize GB (£)
- £0
- Prize IRE (€)
- €0
Class 4
- Class
- Class 4
- Runs
- 2
- Wins
- 0
- 2nd
- 0
- 3rd
- 1
- Win %
- Place %
- Prize GB (£)
- £1,941
- Prize IRE (€)
- €0
Class 5
- Class
- Class 5
- Runs
- 2
- Wins
- 1
- 2nd
- 1
- 3rd
- 0
- Win %
- Place %
- Prize GB (£)
- £5,637
- Prize IRE (€)
- €0
Pattern (Group/Grade/Listed) shown ahead of class. Irish races carry no class, so they are grouped as handicap or non-handicap.
By field size
| Runners | Runs | Wins | 2nd | 3rd | Win % | Place % | Prize GB (£) | Prize IRE (€) |
|---|---|---|---|---|---|---|---|---|
| 6 to 8 runners | 2 | 1 | 0 | 0 | £4,345 | €0 | ||
| 2 to 5 runners | 1 | 0 | 1 | 0 | £1,965 | €0 | ||
| 13 to 16 runners | 1 | 0 | 0 | 0 | £0 | €0 | ||
| 9 to 12 runners | 1 | 0 | 0 | 1 | £1,268 | €0 |
6 to 8 runners
- Runners
- 6 to 8 runners
- Runs
- 2
- Wins
- 1
- 2nd
- 0
- 3rd
- 0
- Win %
- Place %
- Prize GB (£)
- £4,345
- Prize IRE (€)
- €0
2 to 5 runners
- Runners
- 2 to 5 runners
- Runs
- 1
- Wins
- 0
- 2nd
- 1
- 3rd
- 0
- Win %
- Place %
- Prize GB (£)
- £1,965
- Prize IRE (€)
- €0
13 to 16 runners
- Runners
- 13 to 16 runners
- Runs
- 1
- Wins
- 0
- 2nd
- 0
- 3rd
- 0
- Win %
- Place %
- Prize GB (£)
- £0
- Prize IRE (€)
- €0
9 to 12 runners
- Runners
- 9 to 12 runners
- Runs
- 1
- Wins
- 0
- 2nd
- 0
- 3rd
- 1
- Win %
- Place %
- Prize GB (£)
- £1,268
- Prize IRE (€)
- €0
By month
| Month | Runs | Wins | 2nd | 3rd | Win % | Place % | Prize GB (£) | Prize IRE (€) |
|---|---|---|---|---|---|---|---|---|
| May | 2 | 0 | 0 | 0 | £673 | €0 | ||
| June | 1 | 0 | 0 | 1 | £1,268 | €0 | ||
| September | 2 | 1 | 1 | 0 | £5,637 | €0 |
May
- Month
- May
- Runs
- 2
- Wins
- 0
- 2nd
- 0
- 3rd
- 0
- Win %
- Place %
- Prize GB (£)
- £673
- Prize IRE (€)
- €0
June
- Month
- June
- Runs
- 1
- Wins
- 0
- 2nd
- 0
- 3rd
- 1
- Win %
- Place %
- Prize GB (£)
- £1,268
- Prize IRE (€)
- €0
September
- Month
- September
- Runs
- 2
- Wins
- 1
- 2nd
- 1
- 3rd
- 0
- Win %
- Place %
- Prize GB (£)
- £5,637
- Prize IRE (€)
- €0
By jockey
| Jockey | Runs | Wins | 2nd | 3rd | Win % | Place % | Prize GB (£) | Prize IRE (€) |
|---|---|---|---|---|---|---|---|---|
| Joe Leavy | 2 | 1 | 1 | 0 | £5,637 | €0 | ||
| David Probert | 2 | 0 | 0 | 1 | £1,941 | €0 | ||
| Rossa Ryan | 1 | 0 | 0 | 0 | £0 | €0 |
Joe Leavy
- Jockey
- Joe Leavy
- Runs
- 2
- Wins
- 1
- 2nd
- 1
- 3rd
- 0
- Win %
- Place %
- Prize GB (£)
- £5,637
- Prize IRE (€)
- €0
David Probert
- Jockey
- David Probert
- Runs
- 2
- Wins
- 0
- 2nd
- 0
- 3rd
- 1
- Win %
- Place %
- Prize GB (£)
- £1,941
- Prize IRE (€)
- €0
Rossa Ryan
- Jockey
- Rossa Ryan
- Runs
- 1
- Wins
- 0
- 2nd
- 0
- 3rd
- 0
- Win %
- Place %
- Prize GB (£)
- £0
- Prize IRE (€)
- €0
By trainer
| Trainer | Runs | Wins | 2nd | 3rd | Win % | Place % | Prize GB (£) | Prize IRE (€) |
|---|---|---|---|---|---|---|---|---|
| Clive Cox | 5 | 1 | 1 | 1 | £7,578 | €0 |
Clive Cox
- Trainer
- Clive Cox
- Runs
- 5
- Wins
- 1
- 2nd
- 1
- 3rd
- 1
- Win %
- Place %
- Prize GB (£)
- £7,578
- Prize IRE (€)
- €0
By headgear
| Headgear | Runs | Wins | 2nd | 3rd | Win % | Place % | Prize GB (£) | Prize IRE (€) |
|---|---|---|---|---|---|---|---|---|
| No headgear | 5 | 1 | 1 | 1 | £7,578 | €0 |
No headgear
- Headgear
- No headgear
- Runs
- 5
- Wins
- 1
- 2nd
- 1
- 3rd
- 1
- Win %
- Place %
- Prize GB (£)
- £7,578
- Prize IRE (€)
- €0
Headgear codes as declared: b blinkers, v visor, p cheekpieces, t tongue strap, h hood, e/s eyeshield.
By days since last run
| Days since last run | Runs | Wins | 2nd | 3rd | Win % | Place % | Prize GB (£) | Prize IRE (€) |
|---|---|---|---|---|---|---|---|---|
| Debut / no previous run | 1 | 0 | 0 | 0 | £0 | €0 | ||
| 8 to 14 days | 1 | 0 | 1 | 0 | £1,965 | €0 | ||
| 15 to 30 days | 2 | 0 | 0 | 1 | £1,941 | €0 | ||
| 61 to 120 days | 1 | 1 | 0 | 0 | £3,672 | €0 |
Debut / no previous run
- Days since last run
- Debut / no previous run
- Runs
- 1
- Wins
- 0
- 2nd
- 0
- 3rd
- 0
- Win %
- Place %
- Prize GB (£)
- £0
- Prize IRE (€)
- €0
8 to 14 days
- Days since last run
- 8 to 14 days
- Runs
- 1
- Wins
- 0
- 2nd
- 1
- 3rd
- 0
- Win %
- Place %
- Prize GB (£)
- £1,965
- Prize IRE (€)
- €0
15 to 30 days
- Days since last run
- 15 to 30 days
- Runs
- 2
- Wins
- 0
- 2nd
- 0
- 3rd
- 1
- Win %
- Place %
- Prize GB (£)
- £1,941
- Prize IRE (€)
- €0
61 to 120 days
- Days since last run
- 61 to 120 days
- Runs
- 1
- Wins
- 1
- 2nd
- 0
- 3rd
- 0
- Win %
- Place %
- Prize GB (£)
- £3,672
- Prize IRE (€)
- €0
Counted from the previous run in Britain or Ireland; runs abroad are not seen.
Pedigree
Pedigree
Sire branchSupremacy (IRE)
Parent · 1
- SireSupremacy (IRE)
Grandparents · 2
- Sire's sireMehmas (IRE)
- Sire's damTriggers Broom (IRE)
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 branchTencaratrubieslace (FR)
Parent · 1
Grandparents · 2
- Dam's sireSiyouni (FR)
- Dam's damNot traced
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
- Tencaratrubieslace (FR) · 2 winners from 3 runners
Sire, dam and damsire
| Sire | Dam | Damsire | Breeder | Foaled | Colour | Sex | Sire's avg winning distance | Damsire's avg winning distance |
|---|---|---|---|---|---|---|---|---|
| Supremacy (IRE) | Tencaratrubieslace (FR) | Siyouni (FR) | Yeomanstown Stud | 17 Mar 23 | bay | filly | Flat 6.6f · NH 2m½f | Flat 7.6f · NH 2m½f |
Supremacy (IRE)
- Sire
- Supremacy (IRE)
- Damsire
- Siyouni (FR)
- Breeder
- Yeomanstown Stud
- Foaled
- 17 Mar 23
- Colour
- bay
- Sex
- filly
- Sire's avg winning distance
- Flat 6.6f · NH 2m½f
- Damsire's avg winning distance
- Flat 7.6f · NH 2m½f
Progeny of Supremacy (IRE) in this horse's best conditions
| Condition | Runs | Wins | Placed | Win % | Place % | This horse runs | This horse wins |
|---|---|---|---|---|---|---|---|
| All Flat runs | 517 | 44 | 113 | 5 | 1 | ||
| At 5f to 6f | 253 | 25 | 51 | 5 | 1 | ||
| On Heavy going | 8 | 1 | 3 | 2 | 1 | ||
| At 5f to 6f on Heavy going | 3 | 1 | 2 | 2 | 1 |
All Flat runs
- Condition
- All Flat runs
- Runs
- 517
- Wins
- 44
- Placed
- 113
- Win %
- Place %
- This horse runs
- 5
- This horse wins
- 1
At 5f to 6f
- Condition
- At 5f to 6f
- Runs
- 253
- Wins
- 25
- Placed
- 51
- Win %
- Place %
- This horse runs
- 5
- This horse wins
- 1
On Heavy going
- Condition
- On Heavy going
- Runs
- 8
- Wins
- 1
- Placed
- 3
- Win %
- Place %
- This horse runs
- 2
- This horse wins
- 1
At 5f to 6f on Heavy going
- Condition
- At 5f to 6f on Heavy going
- Runs
- 3
- Wins
- 1
- Placed
- 2
- Win %
- Place %
- This horse runs
- 2
- This horse wins
- 1
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.
Supremacy (IRE) × Siyouni (FR) mares (the cross)
| Code | Runners | Winners | Winners % | Black-type winners | Runs | Wins | 2nd/3rd | Win % | Prize GB (£) | Prize IRE (€) |
|---|---|---|---|---|---|---|---|---|---|---|
| Flat | 2 | 1 | 0 | 8 | 1 | 3 | £9,226 | €0 |
Flat
- Code
- Flat
- Runners
- 2
- Winners
- 1
- Winners %
- Black-type winners
- 0
- Runs
- 8
- Wins
- 1
- 2nd/3rd
- 3
- Win %
- Prize GB (£)
- £9,226
- Prize IRE (€)
- €0
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 (€) |
|---|---|---|---|---|---|
| Supreme Diamond (IRE) | 5 | 1 | 0 | £7,578 | €0 |
| Rubyroo (IRE) | 3 | 0 | 0 | £1,648 | €0 |
Supreme Diamond (IRE)
- Runs
- 5
- Wins
- 1
- Black-type wins
- 0
- Prize GB (£)
- £7,578
- Prize IRE (€)
- €0
Rubyroo (IRE)
- Horse
- Rubyroo (IRE)
- Runs
- 3
- Wins
- 0
- Black-type wins
- 0
- Prize GB (£)
- £1,648
- Prize IRE (€)
- €0
Top 12 by best win level, then wins.
Ratings
Official ratings
| Code | Current OR | Highest OR | Lowest OR | Last winning OR | Last win | Rated runs |
|---|---|---|---|---|---|---|
| Flat | 71 | 71 | 68 | 68 | 14 Sep 25 | 2 |
Flat
- Code
- Flat
- Current OR
- 71
- Highest OR
- 71
- Lowest OR
- 68
- Last winning OR
- 68
- Last win
- 14 Sep 25
- Rated runs
- 2
Current OR here is the mark carried on the latest run in each code; the page header uses a newer declared mark where one exists.
Official rating by run
Current mark v winning marks
| Code | Current OR | OR last run | Change | Last winning OR | Last win | v last winning | Highest winning OR | v highest winning | Highest OR | v highest |
|---|---|---|---|---|---|---|---|---|---|---|
| Flat | 71 | 71 | 0 | 68 | 14 Sep 25 | 3 | 68 | 3 | 71 | 0 |
Flat
- Code
- Flat
- Current OR
- 71
- OR last run
- 71
- Change
- 0
- Last winning OR
- 68
- Last win
- 14 Sep 25
- v last winning
- 3
- Highest winning OR
- 68
- v highest winning
- 3
- Highest OR
- 71
- v highest
- 0
Differences are current OR minus the mark shown (positive = higher now). Current OR in the main code uses a newer declared or published mark where one exists.
Family
Dam summary
- G1 winners
- 0
- Produce
- 2 winners from 3 runners
Full siblings
- Rubyroo (IRE)0W · 3R
Half siblings
By Dariyan (FR)
- Sayidah Dariyan (IRE)3W · 13R · 1 black-type
Female line
- 1Tencaratrubieslace (FR)
Notable relatives
Half-sister
- Sayidah Dariyan (IRE)3W · 13R · 1 black-type
In brief
How old is Supreme Diamond?
Supreme Diamond (IRE), a bay racehorse, was foaled on 17 March 2023 and is 3 years old.
Who are the sire and dam of Supreme Diamond?
Supreme Diamond (IRE) is by Supremacy (IRE) out of Tencaratrubieslace (FR), a daughter of Siyouni (FR), and was bred by Yeomanstown Stud.
Who trained Supreme Diamond?
Supreme Diamond (IRE) was trained by Clive Cox and owned by Angelica Spence, A D Spence & I Madueke at the time of the last run in Britain or Ireland.
What is Supreme Diamond's race record?
In Britain and Ireland, Supreme Diamond (IRE) won 1 of 5 races (20%).
What is Supreme Diamond's biggest win?
Supreme Diamond (IRE)'s only win in Britain or Ireland came in the Blackmore Building Contractors Restricted Maiden Fillies' Stakes (Bands B C And D) at Bath on 14 September 2025.
Has Supreme Diamond ever been beaten?
Supreme Diamond (IRE) was beaten 4 times in 5 runs in Britain and Ireland, the first time on 9 May 2025 at Ascot (9th of 13).
What was Supreme Diamond's official rating?
Supreme Diamond (IRE) was last officially rated 71 on the Flat (also the career high).
Is Supreme Diamond still racing?
Supreme Diamond (IRE) last ran in Britain or Ireland on 28 September 2025 at Ffos Las in the Congratulations To Felinfoel RFC Nursery Handicap, finishing 2nd of 4, and has not run there since.
Is Supreme Diamond related to any top horses?
Supreme Diamond (IRE)'s black-type relatives in Britain and Ireland include Sayidah Dariyan (IRE) (half-sister, Group 3 winner), from the Tencaratrubieslace (FR) family.
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