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Horse profile

Sibaza

Night Of Thunder (IRE) × Simiyna (IRE) (Holy Roman Emperor (IRE))

TrainerD K Weld
OwnerAga Khan (Exors Of The Late H H Aga Khan)
FamilySidama

Sex: filly
Foaled: 2023
Colour: bay

Record (GB & IRE): 0 wins from 2 runs (0%)
Prize money (GB & IRE): €678 IRE
Official rating: Unrated
Last run (GB & IRE): 5 Oct 2026, Killarney (IRE) (5/7)
Last win (GB & IRE): Yet to win

Recent form

Sibaza 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
5 Oct 26	Killarney (IRE)	5/7	33/1	15½	Chris Hayes	D K Weld	Irish Stallion Farms EBF Fillies Maiden	Non-handicap (unclassified)	Flat Turf	1m3f	Soft	9-3	Cailin Miorruilach (IRE)	€9,000	93	-
4 Jul 26	Naas (IRE)	5/8	2/1	8¾	Chris Hayes	D K Weld	Naas Racecourse Fillies Maiden	Non-handicap (unclassified)	Flat Turf	1m	Good	9-3	Mai Dahlia (IRE)	€7,068	-	0/6

5/75 Oct 26 · Killarney (IRE)33/1
Irish Stallion Farms EBF Fillies Maiden
Non-handicap (unclassified)1m3fSoft
All fields
Date
5 Oct 26
Course
Killarney (IRE)
Pos
5/7
SP
33/1
Btn
15½
Jockey
Chris Hayes
Trainer
D K Weld
Race
Irish Stallion Farms EBF Fillies Maiden
Class
Non-handicap (unclassified)
Type
Flat Turf
Dist
1m3f
Going
Soft
Wgt
9-3
Winner / 2nd
Cailin Miorruilach (IRE)
Winner prize
€9,000
Days
93
Future form
-
5/84 Jul 26 · Naas (IRE)2/1
Naas Racecourse Fillies Maiden
Non-handicap (unclassified)1mGood
All fields
Date
4 Jul 26
Course
Naas (IRE)
Pos
5/8
SP
2/1
Btn
8¾
Jockey
Chris Hayes
Trainer
D K Weld
Race
Naas Racecourse Fillies Maiden
Class
Non-handicap (unclassified)
Type
Flat Turf
Dist
1m
Going
Good
Wgt
9-3
Winner / 2nd
Mai Dahlia (IRE)
Winner prize
€7,068
Days
-
Future form
0/6

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.

Trainer changes

Trainer	First run	Last run	First run for yard	Runs	Wins	2nd	3rd	Win %	Place %	Prize GB (£)	Prize IRE (€)
D K Weld	4 Jul 26	5 Oct 26	5/8	2	0	0	0	0.0%	0.0%	£0	€678

D K Weld

Trainer: D K Weld
First run: 4 Jul 26
Last run: 5 Oct 26
First run for yard: 5/8
Runs: 2
Wins: 0
2nd: 0
3rd: 0
Win %: 0.0%
Place %: 0.0%
Prize GB (£): £0
Prize IRE (€): €678

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	0.0%	0.0%	£0	€678	4 Jul 26	5 Oct 26

Flat

Code: Flat
Runs: 2
Wins: 0
2nd: 0
3rd: 0
Win %: 0.0%
Place %: 0.0%
Prize GB (£): £0
Prize IRE (€): €678
First run: 4 Jul 26
Last run: 5 Oct 26

Placed = 1st in 2-4 runners, 1st-2nd in 5-7, 1st-3rd in 8+.

Pedigree

Sire branchNight Of Thunder (IRE)

Parent · 1

SireNight Of Thunder (IRE)

Grandparents · 2

Sire's sireDubawi (IRE)
Sire's damForest Storm (GB)

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 branchSimiyna (IRE)

Parent · 1

DamSimiyna (IRE)

Grandparents · 2

Dam's sireHoly Roman Emperor (IRE)
Dam's damSimawa (IRE)

Great-grandparents · 4

Dam's sire's sireNot traced
Dam's sire's damNot traced
Dam's dam's sireAnabaa (USA)
Dam's dam's damNot traced

Night Of Thunder (IRE)

Simiyna (IRE)

Dubawi (IRE)

Forest Storm (GB)

Holy Roman Emperor (IRE)

Simawa (IRE)

Not traced

Anabaa (USA)

Not traced

Breeding card

HorseSibaza (IRE)

Sexfilly

Foaled2023

SireNight Of Thunder (IRE)

DamSimiyna (IRE)

DamsireHoly Roman Emperor (IRE)

Sire's sireDubawi (IRE)

Sire's damForest Storm (GB)

2nd damSimawa (IRE)

2nd dam's sireAnabaa (USA)

Dam's produce1 winners from 2 runners

Notable siblingSimiyann (IRE)

Female line

Simiyna (IRE) · by Holy Roman Emperor (IRE) · 1 winners from 2 runners
Simawa (IRE) · by Anabaa (USA) · 4 winners from 6 runners · Black-type placed
Sinntara (IRE) · by Lashkari (GB) · 9 winners from 11 runners · Listed winner
Sidama (FR) · 5 winners from 7 runners

Sire, dam and damsire

Sire	Dam	Damsire	Breeder	Foaled	Colour	Sex	Sire's avg winning distance	Damsire's avg winning distance
Night Of Thunder (IRE)	Simiyna (IRE)	Holy Roman Emperor (IRE)	His Highness The Aga Khan's Studs S C	28 Apr 23	bay	filly	Flat 7.8f · NH 2m2f	Flat 7.8f · NH 2m1½f

Night Of Thunder (IRE)

Sire: Night Of Thunder (IRE)
Dam: Simiyna (IRE)
Damsire: Holy Roman Emperor (IRE)
Breeder: His Highness The Aga Khan's Studs S C
Foaled: 28 Apr 23
Colour: bay
Sex: filly
Sire's avg winning distance: Flat 7.8f · NH 2m2f
Damsire's avg winning distance: Flat 7.8f · NH 2m1½f

Progeny of Night Of Thunder (IRE) in this horse's best conditions

Condition	Runs	Wins	Placed	Win %	Place %	This horse runs
All Flat runs	4,465	735	1,678	16.5%	37.6%	2
At 7f to 1m	2,113	371	799	17.6%	37.8%	1
On Good going	1,171	185	434	15.8%	37.1%	1
At 7f to 1m on Good going	559	92	204	16.5%	36.5%	1

All Flat runs

Condition: All Flat runs
Runs: 4,465
Wins: 735
Placed: 1,678
Win %: 16.5%
Place %: 37.6%
This horse runs: 2
This horse wins: 0

At 7f to 1m

Condition: At 7f to 1m
Runs: 2,113
Wins: 371
Placed: 799
Win %: 17.6%
Place %: 37.8%
This horse runs: 1
This horse wins: 0

On Good going

Condition: On Good going
Runs: 1,171
Wins: 185
Placed: 434
Win %: 15.8%
Place %: 37.1%
This horse runs: 1
This horse wins: 0

At 7f to 1m on Good going

Condition: At 7f to 1m on Good going
Runs: 559
Wins: 92
Placed: 204
Win %: 16.5%
Place %: 36.5%
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.

Night Of Thunder (IRE) × Holy Roman Emperor (IRE) mares (the cross)

Code	Runners	Winners	Winners %	Black-type winners	Runs	Wins	2nd/3rd	Win %	Prize GB (£)	Prize IRE (€)
Flat	5	2	40.0%	1	25	4	5	16.0%	£16,919	€76,543

Flat

Code: Flat
Runners: 5
Winners: 2
Winners %: 40.0%
Black-type winners: 1
Runs: 25
Wins: 4
2nd/3rd: 5
Win %: 16.0%
Prize GB (£): £16,919
Prize IRE (€): €76,543

All British and Irish runners by this sire out of mares by this damsire, since 1990 (includes this horse). Black type = Group/Grade 1-3 or Listed winner.

Best of the cross

Horse	Runs	Wins	Black-type wins	Best win	Prize GB (£)	Prize IRE (€)
Mauiewowie (GB)	7	2	1	Listed	£0	€54,660
September Leaves (IRE)	12	2	0	-	£0	€21,205
Tempestarii (IRE)	1	0	0	-	£0	€0
Sibaza (IRE)	2	0	0	-	£0	€678
Gulya (IRE)	3	0	0	-	£16,919	€0

Mauiewowie (GB)

Horse: Mauiewowie (GB)
Runs: 7
Wins: 2
Black-type wins: 1
Best win: Listed
Prize GB (£): £0
Prize IRE (€): €54,660

September Leaves (IRE)

Horse: September Leaves (IRE)
Runs: 12
Wins: 2
Black-type wins: 0
Prize GB (£): £0
Prize IRE (€): €21,205

Tempestarii (IRE)

Horse: Tempestarii (IRE)
Runs: 1
Wins: 0
Black-type wins: 0
Prize GB (£): £0
Prize IRE (€): €0

Sibaza (IRE)

Horse: Sibaza (IRE)
Runs: 2
Wins: 0
Black-type wins: 0
Prize GB (£): £0
Prize IRE (€): €678

Gulya (IRE)

Horse: Gulya (IRE)
Runs: 3
Wins: 0
Black-type wins: 0
Prize GB (£): £16,919
Prize IRE (€): €0

Top 12 by best win level, then wins.

Family

Dam summary

Simiyna (IRE)

G1 winners: 0
Produce: 1 winners from 2 runners

Full siblings

No other foal by Night Of Thunder (IRE) out of Simiyna (IRE) has raced in Britain or Ireland.

Half siblings

By Australia (GB)

Simiyann (IRE)4W · 43R

Female line

1Simiyna (IRE) · by Holy Roman Emperor (IRE)
2Simawa (IRE) · by Anabaa (USA)
3Sinntara (IRE) · by Lashkari (GB)
4Sidama (FR)

Notable relatives

Great-uncle (out of 3rd dam)

Sinndar (IRE)5W · 6R · 3 G1

Great-great-aunt (out of 4th dam)

Mistinguett (IRE)6W · 29R · 1 G1

Uncle (out of 2nd dam)

Sinawann (IRE)2W · 10R · 1 black-type

First cousin

Sumiha (IRE)2W · 6R · 1 black-type

Second cousin

Marie's Diamond (IRE)7W · 52R · 3 black-type

Second cousin once removed

Sonaiyla (IRE)5W · 18R · 2 black-type

Aunt (out of 2nd dam)

Silwana (IRE)4W · 13R · 1 black-type

3rd dam

Sinntara (IRE)4W · 6R · 1 black-type

First cousin once removed

Sindirana (IRE)2W · 6R · 1 black-type

First cousin twice removed

Misternando (GB)10W · 23R · 1 black-type

View full Sidama family

In brief

How old is Sibaza?

Sibaza (IRE) is a 3-year-old bay filly, foaled on 28 April 2023.

Who are the sire and dam of Sibaza?

Sibaza (IRE) is by Night Of Thunder (IRE) out of Simiyna (IRE), a daughter of Holy Roman Emperor (IRE), and was bred by His Highness The Aga Khan's Studs S C.

Who trains Sibaza?

Sibaza (IRE) is trained by D K Weld and owned by Exors Of The Late H H Aga Khan, and has run for no other trainer in Britain or Ireland.

What is Sibaza's race record?

In Britain and Ireland, Sibaza (IRE) has run 2 times and is yet to win.

When did Sibaza last run?

Sibaza (IRE) last ran in Britain or Ireland on 5 October 2026 at Killarney (IRE) in the Irish Stallion Farms EBF Fillies Maiden, finishing 5th of 7.

Is Sibaza related to any top horses?

Sibaza (IRE)'s black-type relatives in Britain and Ireland include Sinndar (IRE) (great-uncle, Group 1 winner), Mistinguett (IRE) (great-great-aunt, Grade 1 winner) and Marie's Diamond (IRE) (second cousin, Group 3 winner), from the Sidama (FR) family.