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Horse profile

Thundering On

Frankel (GB) × Thundering Nights (IRE) (Night Of Thunder (IRE))

Sex: filly
Foaled: 2023
Colour: chestnut

Highest OR: 119
Record (GB & IRE): 3 wins from 7 runs (43%)
Prize money (GB & IRE): £354,438 GB · €192,244 IRE
Official rating: 117 (Flat)
Last run (GB & IRE): 13 Sep 2026, Curragh (IRE) (1/10)

Recent form

4221141

Thundering On: next race and entries

Thundering On holds an entry in the Qatar Racing British Champions Fillies & Mares Stakes at Ascot on Saturday 17 October (14:40).

Qatar Racing British Champions Fillies & Mares Stakes · 17 Oct · 14:40 · Ascot · 9-1 Big race

Form

Race record

Date	Course	Pos	SP	Btn	Jockey	Trainer	Race	Class	Type	Dist	Going	Wgt	OR	Winner / 2nd	Winner prize	Days	Future form
13 Sep 26	Curragh (IRE)	1/10	5/4F	won 1½	Ryan Moore	Joseph Patrick O'Brien	Moyglare 'Jewels' Blandford Stakes	Group 2	Flat Turf	1m2f	Good	9-5	117	Lilt (GB)	€120,001	78	1/3
27 Jun 26	Curragh (IRE)	4/8	11/10F	2½	Dylan Browne McMonagle	Joseph Patrick O'Brien	Paddy Power Pretty Polly Stakes (Fillies' And Mares' Group 1)	Group 1	Flat Turf	1m2f	Good to Firm	9-0	119	Estrange (IRE)	€235,600	22	0/6
5 Jun 26	Epsom	1/9	5/1	won 3¾	Dylan Browne McMonagle	Joseph Patrick O'Brien	Betfred Oaks (Fillies)	Group 1	Flat Turf	1m4f	Good to Soft	9-2	107	Legacy Link (GB)	£354,438	41	0/8
25 Apr 26	Navan (IRE)	1/7	11/4F	won 3¼	J M Sheridan	Joseph Patrick O'Brien	Irish Stallion Farms EBF Salsabil Stakes (Fillies)	Group 3	Flat Turf	1m2f	Good to Yielding	9-2	-	Emmeleia (IRE)	€41,230	13	0/5
12 Apr 26	Leopardstown (IRE)	2/15	5/4F	shd	J M Sheridan	Joseph Patrick O'Brien	Look De Vega At Ballylinch Stud Fillies Maiden	Non-handicap (unclassified)	Flat Turf	1m	Good to Yielding	9-3	-	Skydance (GB)	€10,013	173	0/12
21 Oct 25	Curragh (IRE)	2/8	6/1	2¾	Dylan Browne McMonagle	Joseph Patrick O'Brien	Staffordstown Stud Stakes (Fillies)	Group 3	Flat Turf	1m	Heavy	9-2	-	Sugar Island (IRE)	€35,400	17	0/6
4 Oct 25	Curragh (IRE)	4/13	9/1	4¼	Wayne Hassett	Joseph Patrick O'Brien	Bermingham Cameras Irish EBF Fillies Maiden	Non-handicap (unclassified)	Flat Turf	7f	Soft to Heavy	8-13	-	Cameo (IRE)	€11,800	-	1/12

1/1013 Sep 26 · Curragh (IRE)5/4F
Moyglare 'Jewels' Blandford Stakes
Group 21m2fGood
All fields
Date
13 Sep 26
Course
Curragh (IRE)
Pos
1/10
SP
5/4F
Btn
won 1½
Jockey
Ryan Moore
Trainer
Joseph Patrick O'Brien
Race
Moyglare 'Jewels' Blandford Stakes
Class
Group 2
Type
Flat Turf
Dist
1m2f
Going
Good
Wgt
9-5
OR
117
Winner / 2nd
Lilt (GB)
Winner prize
€120,001
Days
78
Future form
1/3
4/827 Jun 26 · Curragh (IRE)11/10F
Paddy Power Pretty Polly Stakes (Fillies' And Mares' Group 1)
Group 11m2fGood to Firm
All fields
Date
27 Jun 26
Course
Curragh (IRE)
Pos
4/8
SP
11/10F
Btn
2½
Jockey
Dylan Browne McMonagle
Trainer
Joseph Patrick O'Brien
Race
Paddy Power Pretty Polly Stakes (Fillies' And Mares' Group 1)
Class
Group 1
Type
Flat Turf
Dist
1m2f
Going
Good to Firm
Wgt
9-0
OR
119
Winner / 2nd
Estrange (IRE)
Winner prize
€235,600
Days
22
Future form
0/6
1/95 Jun 26 · Epsom5/1
Betfred Oaks (Fillies)
Group 11m4fGood to Soft
All fields
Date
5 Jun 26
Course
Epsom
Pos
1/9
SP
5/1
Btn
won 3¾
Jockey
Dylan Browne McMonagle
Trainer
Joseph Patrick O'Brien
Race
Betfred Oaks (Fillies)
Class
Group 1
Type
Flat Turf
Dist
1m4f
Going
Good to Soft
Wgt
9-2
OR
107
Winner / 2nd
Legacy Link (GB)
Winner prize
£354,438
Days
41
Future form
0/8
1/725 Apr 26 · Navan (IRE)11/4F
Irish Stallion Farms EBF Salsabil Stakes (Fillies)
Group 31m2fGood to Yielding
All fields
Date
25 Apr 26
Course
Navan (IRE)
Pos
1/7
SP
11/4F
Btn
won 3¼
Jockey
J M Sheridan
Trainer
Joseph Patrick O'Brien
Race
Irish Stallion Farms EBF Salsabil Stakes (Fillies)
Class
Group 3
Type
Flat Turf
Dist
1m2f
Going
Good to Yielding
Wgt
9-2
OR
-
Winner / 2nd
Emmeleia (IRE)
Winner prize
€41,230
Days
13
Future form
0/5
2/1512 Apr 26 · Leopardstown (IRE)5/4F
Look De Vega At Ballylinch Stud Fillies Maiden
Non-handicap (unclassified)1mGood to Yielding
All fields
Date
12 Apr 26
Course
Leopardstown (IRE)
Pos
2/15
SP
5/4F
Btn
shd
Jockey
J M Sheridan
Trainer
Joseph Patrick O'Brien
Race
Look De Vega At Ballylinch Stud Fillies Maiden
Class
Non-handicap (unclassified)
Type
Flat Turf
Dist
1m
Going
Good to Yielding
Wgt
9-3
OR
-
Winner / 2nd
Skydance (GB)
Winner prize
€10,013
Days
173
Future form
0/12
2/821 Oct 25 · Curragh (IRE)6/1
Staffordstown Stud Stakes (Fillies)
Group 31mHeavy
All fields
Date
21 Oct 25
Course
Curragh (IRE)
Pos
2/8
SP
6/1
Btn
2¾
Jockey
Dylan Browne McMonagle
Trainer
Joseph Patrick O'Brien
Race
Staffordstown Stud Stakes (Fillies)
Class
Group 3
Type
Flat Turf
Dist
1m
Going
Heavy
Wgt
9-2
OR
-
Winner / 2nd
Sugar Island (IRE)
Winner prize
€35,400
Days
17
Future form
0/6
4/134 Oct 25 · Curragh (IRE)9/1
Bermingham Cameras Irish EBF Fillies Maiden
Non-handicap (unclassified)7fSoft to Heavy
All fields
Date
4 Oct 25
Course
Curragh (IRE)
Pos
4/13
SP
9/1
Btn
4¼
Jockey
Wayne Hassett
Trainer
Joseph Patrick O'Brien
Race
Bermingham Cameras Irish EBF Fillies Maiden
Class
Non-handicap (unclassified)
Type
Flat Turf
Dist
7f
Going
Soft to Heavy
Wgt
8-13
OR
-
Winner / 2nd
Cameo (IRE)
Winner prize
€11,800
Days
-
Future form
1/12

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
13 Sep 26	Curragh (IRE)	Moyglare 'Jewels' Blandford Stakes (Group 2)	1/10	Snapretend (IRE)	8	11 Oct 26	Naas (IRE)	Irish Stallion Farms EBF Bluebell Stakes (Listed)
4 Oct 25	Curragh (IRE)	Bermingham Cameras Irish EBF Fillies Maiden	4/13	Sinmara (GB)	3	8 Apr 26	Gowran Park (IRE)	Irish Stallion Farms EBF Fillies Maiden

1/1013 Sep 26 · Curragh (IRE)
Moyglare 'Jewels' Blandford Stakes (Group 2)
All fields
Date
13 Sep 26
Course
Curragh (IRE)
Race
Moyglare 'Jewels' Blandford Stakes (Group 2)
This horse
1/10
Winner next time
Snapretend (IRE)
Their pos
8
Won on
11 Oct 26
At
Naas (IRE)
Race won
Irish Stallion Farms EBF Bluebell Stakes (Listed)
4/134 Oct 25 · Curragh (IRE)
Bermingham Cameras Irish EBF Fillies Maiden
All fields
Date
4 Oct 25
Course
Curragh (IRE)
Race
Bermingham Cameras Irish EBF Fillies Maiden
This horse
4/13
Winner next time
Sinmara (GB)
Their pos
3
Won on
8 Apr 26
At
Gowran Park (IRE)
Race won
Irish Stallion Farms EBF Fillies 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	OR first run	OR last run	Best OR	Runs	Wins	2nd	3rd	Win %	Place %	Prize GB (£)	Prize IRE (€)
Joseph Patrick O'Brien	4 Oct 25	13 Sep 26	4/13	107	117	119	7	3	2	0	42.9%	71.4%	£354,438	€192,244

Joseph Patrick O'Brien

Trainer: Joseph Patrick O'Brien
First run: 4 Oct 25
Last run: 13 Sep 26
First run for yard: 4/13
OR first run: 107
OR last run: 117
Best OR: 119
Runs: 7
Wins: 3
2nd: 2
3rd: 0
Win %: 42.9%
Place %: 71.4%
Prize GB (£): £354,438
Prize IRE (€): €192,244

Trained by one trainer throughout its British and Irish career.

Entries

Upcoming entries and declarations

OR	Status	Date	Time	Course	Race	Class	Dist	Going	Prize	Runners	Wgt
117	Entry	17 Oct 26	14:40	Ascot	Qatar Racing British Champions Fillies & Mares Stakes	Group 1	1m3f211y	Good	£283,550	48	9-1

Ascot · 2026-10-17

OR: 117
Status: Entry
Date: 17 Oct 26
Time: 14:40
Course: Ascot
Race: Qatar Racing British Champions Fillies & Mares Stakes
Class: Group 1
Dist: 1m3f211y
Going: Good
Prize: £283,550
Runners: 48
Wgt: 9-1

Declared runners and forward entries, non-runners excluded.

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	7	3	2	0	42.9%	71.4%	£354,438	€192,244	119	4 Oct 25	13 Sep 26

Flat

Code: Flat
Runs: 7
Wins: 3
2nd: 2
3rd: 0
Win %: 42.9%
Place %: 71.4%
Prize GB (£): £354,438
Prize IRE (€): €192,244
Best OR: 119
First run: 4 Oct 25
Last run: 13 Sep 26

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	7	3	2	0	42.9%	71.4%	£354,438	€192,244

Flat Turf

Race type: Flat Turf
Runs: 7
Wins: 3
2nd: 2
3rd: 0
Win %: 42.9%
Place %: 71.4%
Prize GB (£): £354,438
Prize IRE (€): €192,244

By going

Going	Runs	Wins	2nd	Win %	Place %	Prize GB (£)	Prize IRE (€)
Good to Firm	1	0	0	0.0%	0.0%	£0	€15,600
Good	1	1	0	100.0%	100.0%	£0	€120,001
Good to Yielding	2	1	1	50.0%	100.0%	£0	€44,443
Good to Soft	1	1	0	100.0%	100.0%	£354,438	€0
Soft to Heavy	1	0	0	0.0%	0.0%	£0	€800
Heavy	1	0	1	0.0%	100.0%	£0	€11,400

Good to Firm

Going: Good to Firm
Runs: 1
Wins: 0
2nd: 0
3rd: 0
Win %: 0.0%
Place %: 0.0%
Prize GB (£): £0
Prize IRE (€): €15,600

Good

Going: Good
Runs: 1
Wins: 1
2nd: 0
3rd: 0
Win %: 100.0%
Place %: 100.0%
Prize GB (£): £0
Prize IRE (€): €120,001

Good to Yielding

Going: Good to Yielding
Runs: 2
Wins: 1
2nd: 1
3rd: 0
Win %: 50.0%
Place %: 100.0%
Prize GB (£): £0
Prize IRE (€): €44,443

Good to Soft

Going: Good to Soft
Runs: 1
Wins: 1
2nd: 0
3rd: 0
Win %: 100.0%
Place %: 100.0%
Prize GB (£): £354,438
Prize IRE (€): €0

Soft to Heavy

Going: Soft to Heavy
Runs: 1
Wins: 0
2nd: 0
3rd: 0
Win %: 0.0%
Place %: 0.0%
Prize GB (£): £0
Prize IRE (€): €800

Heavy

Going: Heavy
Runs: 1
Wins: 0
2nd: 1
3rd: 0
Win %: 0.0%
Place %: 100.0%
Prize GB (£): £0
Prize IRE (€): €11,400

By distance

Distance	Runs	Wins	2nd	Win %	Place %	Prize GB (£)	Prize IRE (€)
7f to 1m	3	0	2	0.0%	66.7%	£0	€15,413
9f to 11f	3	2	0	66.7%	66.7%	£0	€176,831
12f to 13f	1	1	0	100.0%	100.0%	£354,438	€0

7f to 1m

Distance: 7f to 1m
Runs: 3
Wins: 0
2nd: 2
3rd: 0
Win %: 0.0%
Place %: 66.7%
Prize GB (£): £0
Prize IRE (€): €15,413

9f to 11f

Distance: 9f to 11f
Runs: 3
Wins: 2
2nd: 0
3rd: 0
Win %: 66.7%
Place %: 66.7%
Prize GB (£): £0
Prize IRE (€): €176,831

12f to 13f

Distance: 12f to 13f
Runs: 1
Wins: 1
2nd: 0
3rd: 0
Win %: 100.0%
Place %: 100.0%
Prize GB (£): £354,438
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	Win %	Place %	Prize GB (£)	Prize IRE (€)
Curragh (IRE)	4	1	1	25.0%	50.0%	£0	€147,801
Epsom	1	1	0	100.0%	100.0%	£354,438	€0
Navan (IRE)	1	1	0	100.0%	100.0%	£0	€41,230
Leopardstown (IRE)	1	0	1	0.0%	100.0%	£0	€3,213

Curragh (IRE)

Course: Curragh (IRE)
Runs: 4
Wins: 1
2nd: 1
3rd: 0
Win %: 25.0%
Place %: 50.0%
Prize GB (£): £0
Prize IRE (€): €147,801

Epsom

Course: Epsom
Runs: 1
Wins: 1
2nd: 0
3rd: 0
Win %: 100.0%
Place %: 100.0%
Prize GB (£): £354,438
Prize IRE (€): €0

Navan (IRE)

Course: Navan (IRE)
Runs: 1
Wins: 1
2nd: 0
3rd: 0
Win %: 100.0%
Place %: 100.0%
Prize GB (£): £0
Prize IRE (€): €41,230

Leopardstown (IRE)

Course: Leopardstown (IRE)
Runs: 1
Wins: 0
2nd: 1
3rd: 0
Win %: 0.0%
Place %: 100.0%
Prize GB (£): £0
Prize IRE (€): €3,213

By class

Class	Runs	Wins	2nd	Win %	Place %	Prize GB (£)	Prize IRE (€)
Group 1	2	1	0	50.0%	50.0%	£354,438	€15,600
Group 2	1	1	0	100.0%	100.0%	£0	€120,001
Group 3	2	1	1	50.0%	100.0%	£0	€52,630
Non-handicap (unclassified)	2	0	1	0.0%	50.0%	£0	€4,013

Group 1

Class: Group 1
Runs: 2
Wins: 1
2nd: 0
3rd: 0
Win %: 50.0%
Place %: 50.0%
Prize GB (£): £354,438
Prize IRE (€): €15,600

Group 2

Class: Group 2
Runs: 1
Wins: 1
2nd: 0
3rd: 0
Win %: 100.0%
Place %: 100.0%
Prize GB (£): £0
Prize IRE (€): €120,001

Group 3

Class: Group 3
Runs: 2
Wins: 1
2nd: 1
3rd: 0
Win %: 50.0%
Place %: 100.0%
Prize GB (£): £0
Prize IRE (€): €52,630

Non-handicap (unclassified)

Class: Non-handicap (unclassified)
Runs: 2
Wins: 0
2nd: 1
3rd: 0
Win %: 0.0%
Place %: 50.0%
Prize GB (£): £0
Prize IRE (€): €4,013

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	Win %	Place %	Prize GB (£)	Prize IRE (€)
6 to 8 runners	3	1	1	33.3%	66.7%	£0	€68,230
9 to 12 runners	2	2	0	100.0%	100.0%	£354,438	€120,001
13 to 16 runners	2	0	1	0.0%	50.0%	£0	€4,013

6 to 8 runners

Runners: 6 to 8 runners
Runs: 3
Wins: 1
2nd: 1
3rd: 0
Win %: 33.3%
Place %: 66.7%
Prize GB (£): £0
Prize IRE (€): €68,230

9 to 12 runners

Runners: 9 to 12 runners
Runs: 2
Wins: 2
2nd: 0
3rd: 0
Win %: 100.0%
Place %: 100.0%
Prize GB (£): £354,438
Prize IRE (€): €120,001

13 to 16 runners

Runners: 13 to 16 runners
Runs: 2
Wins: 0
2nd: 1
3rd: 0
Win %: 0.0%
Place %: 50.0%
Prize GB (£): £0
Prize IRE (€): €4,013

By month

Month	Runs	Wins	2nd	Win %	Place %	Prize GB (£)	Prize IRE (€)
April	2	1	1	50.0%	100.0%	£0	€44,443
June	2	1	0	50.0%	50.0%	£354,438	€15,600
September	1	1	0	100.0%	100.0%	£0	€120,001
October	2	0	1	0.0%	50.0%	£0	€12,200

April

Month: April
Runs: 2
Wins: 1
2nd: 1
3rd: 0
Win %: 50.0%
Place %: 100.0%
Prize GB (£): £0
Prize IRE (€): €44,443

June

Month: June
Runs: 2
Wins: 1
2nd: 0
3rd: 0
Win %: 50.0%
Place %: 50.0%
Prize GB (£): £354,438
Prize IRE (€): €15,600

September

Month: September
Runs: 1
Wins: 1
2nd: 0
3rd: 0
Win %: 100.0%
Place %: 100.0%
Prize GB (£): £0
Prize IRE (€): €120,001

October

Month: October
Runs: 2
Wins: 0
2nd: 1
3rd: 0
Win %: 0.0%
Place %: 50.0%
Prize GB (£): £0
Prize IRE (€): €12,200

By jockey

Jockey	Runs	Wins	2nd	Win %	Place %	Prize GB (£)	Prize IRE (€)
Dylan Browne McMonagle	3	1	1	33.3%	66.7%	£354,438	€27,000
J M Sheridan	2	1	1	50.0%	100.0%	£0	€44,443
Ryan Moore	1	1	0	100.0%	100.0%	£0	€120,001
Wayne Hassett	1	0	0	0.0%	0.0%	£0	€800

Dylan Browne McMonagle

Jockey: Dylan Browne McMonagle
Runs: 3
Wins: 1
2nd: 1
3rd: 0
Win %: 33.3%
Place %: 66.7%
Prize GB (£): £354,438
Prize IRE (€): €27,000

J M Sheridan

Jockey: J M Sheridan
Runs: 2
Wins: 1
2nd: 1
3rd: 0
Win %: 50.0%
Place %: 100.0%
Prize GB (£): £0
Prize IRE (€): €44,443

Ryan Moore

Jockey: Ryan Moore
Runs: 1
Wins: 1
2nd: 0
3rd: 0
Win %: 100.0%
Place %: 100.0%
Prize GB (£): £0
Prize IRE (€): €120,001

Wayne Hassett

Jockey: Wayne Hassett
Runs: 1
Wins: 0
2nd: 0
3rd: 0
Win %: 0.0%
Place %: 0.0%
Prize GB (£): £0
Prize IRE (€): €800

By trainer

Trainer	Runs	Wins	2nd	3rd	Win %	Place %	Prize GB (£)	Prize IRE (€)
Joseph Patrick O'Brien	7	3	2	0	42.9%	71.4%	£354,438	€192,244

Joseph Patrick O'Brien

Trainer: Joseph Patrick O'Brien
Runs: 7
Wins: 3
2nd: 2
3rd: 0
Win %: 42.9%
Place %: 71.4%
Prize GB (£): £354,438
Prize IRE (€): €192,244

By headgear

Headgear	Runs	Wins	2nd	3rd	Win %	Place %	Prize GB (£)	Prize IRE (€)
No headgear	7	3	2	0	42.9%	71.4%	£354,438	€192,244

No headgear

Headgear: No headgear
Runs: 7
Wins: 3
2nd: 2
3rd: 0
Win %: 42.9%
Place %: 71.4%
Prize GB (£): £354,438
Prize IRE (€): €192,244

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	Win %	Place %	Prize GB (£)	Prize IRE (€)
Debut / no previous run	1	0	0	0.0%	0.0%	£0	€800
8 to 14 days	1	1	0	100.0%	100.0%	£0	€41,230
15 to 30 days	2	0	1	0.0%	50.0%	£0	€27,000
31 to 60 days	1	1	0	100.0%	100.0%	£354,438	€0
61 to 120 days	1	1	0	100.0%	100.0%	£0	€120,001
121 to 365 days	1	0	1	0.0%	100.0%	£0	€3,213

Debut / no previous run

Days since last run: Debut / no previous run
Runs: 1
Wins: 0
2nd: 0
3rd: 0
Win %: 0.0%
Place %: 0.0%
Prize GB (£): £0
Prize IRE (€): €800

8 to 14 days

Days since last run: 8 to 14 days
Runs: 1
Wins: 1
2nd: 0
3rd: 0
Win %: 100.0%
Place %: 100.0%
Prize GB (£): £0
Prize IRE (€): €41,230

15 to 30 days

Days since last run: 15 to 30 days
Runs: 2
Wins: 0
2nd: 1
3rd: 0
Win %: 0.0%
Place %: 50.0%
Prize GB (£): £0
Prize IRE (€): €27,000

31 to 60 days

Days since last run: 31 to 60 days
Runs: 1
Wins: 1
2nd: 0
3rd: 0
Win %: 100.0%
Place %: 100.0%
Prize GB (£): £354,438
Prize IRE (€): €0

61 to 120 days

Days since last run: 61 to 120 days
Runs: 1
Wins: 1
2nd: 0
3rd: 0
Win %: 100.0%
Place %: 100.0%
Prize GB (£): £0
Prize IRE (€): €120,001

121 to 365 days

Days since last run: 121 to 365 days
Runs: 1
Wins: 0
2nd: 1
3rd: 0
Win %: 0.0%
Place %: 100.0%
Prize GB (£): £0
Prize IRE (€): €3,213

Counted from the previous run in Britain or Ireland; runs abroad are not seen.

Pedigree

Sire branchFrankel (GB)

Parent · 1

SireFrankel (GB)

Grandparents · 2

Sire's sireGalileo (IRE)
Sire's damKind (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 branchThundering Nights (IRE)

Parent · 1

DamThundering Nights (IRE)

Grandparents · 2

Dam's sireNight Of Thunder (IRE)
Dam's damCape Castle (IRE)

Great-grandparents · 4

Dam's sire's sireNot traced
Dam's sire's damNot traced
Dam's dam's sireCape Cross (IRE)
Dam's dam's damNot traced

Frankel (GB)

Thundering Nights (IRE)

Galileo (IRE)

Kind (IRE)

Night Of Thunder (IRE)

Cape Castle (IRE)

Not traced

Cape Cross (IRE)

Not traced

Breeding card

HorseThundering On (GB)

Sexfilly

Foaled2023

SireFrankel (GB)

DamThundering Nights (IRE)

DamsireNight Of Thunder (IRE)

Sire's sireGalileo (IRE)

Sire's damKind (IRE)

2nd damCape Castle (IRE)

2nd dam's sireCape Cross (IRE)

Dam's own recordGroup 1 winner (2 black-type wins)

Dam's produce1 winners from 1 runners

Female line

Thundering Nights (IRE) · by Night Of Thunder (IRE) · 1 winners from 1 runners · Group 1 winner (2 black-type wins)
Cape Castle (IRE) · by Cape Cross (IRE) · 1 winners from 1 runners
Kaabari (USA) · by Seeking The Gold (USA) · 2 winners from 7 runners
Cloud Castle (GB) · by In The Wings (GB) · 6 winners from 10 runners · Group 3 winner

Sire, dam and damsire

Sire	Dam	Damsire	Breeder	Foaled	Colour	Sex	Sire's avg winning distance	Damsire's avg winning distance
Frankel (GB)	Thundering Nights (IRE)	Night Of Thunder (IRE)	Shapoor Mistry	17 Jan 23	chestnut	filly	Flat 9.8f · NH 2m1½f	Flat 6.7f

Frankel (GB)

Sire: Frankel (GB)
Dam: Thundering Nights (IRE)
Damsire: Night Of Thunder (IRE)
Breeder: Shapoor Mistry
Foaled: 17 Jan 23
Colour: chestnut
Sex: filly
Sire's avg winning distance: Flat 9.8f · NH 2m1½f
Damsire's avg winning distance: Flat 6.7f

Progeny of Frankel (GB) in this horse's best conditions

Condition	Runs	Wins	Placed	Win %	Place %	This horse runs	This horse wins
All Flat runs	5,920	1,058	2,210	17.9%	37.3%	7	3
At 9f to 11f	1,642	284	592	17.3%	36.1%	3	2
On Good going	1,603	292	606	18.2%	37.8%	3	2
At 9f to 11f on Good going	480	87	181	18.1%	37.7%	2	2

All Flat runs

Condition: All Flat runs
Runs: 5,920
Wins: 1,058
Placed: 2,210
Win %: 17.9%
Place %: 37.3%
This horse runs: 7
This horse wins: 3

At 9f to 11f

Condition: At 9f to 11f
Runs: 1,642
Wins: 284
Placed: 592
Win %: 17.3%
Place %: 36.1%
This horse runs: 3
This horse wins: 2

On Good going

Condition: On Good going
Runs: 1,603
Wins: 292
Placed: 606
Win %: 18.2%
Place %: 37.8%
This horse runs: 3
This horse wins: 2

At 9f to 11f on Good going

Condition: At 9f to 11f on Good going
Runs: 480
Wins: 87
Placed: 181
Win %: 18.1%
Place %: 37.7%
This horse runs: 2
This horse wins: 2

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.

Frankel (GB) × Night Of Thunder (IRE) mares (the cross)

Code	Runners	Winners	Winners %	Black-type winners	Runs	Wins	2nd/3rd	Win %	Prize GB (£)	Prize IRE (€)
Flat	1	1	100.0%	1	7	3	2	42.9%	£354,438	€192,244

Flat

Code: Flat
Runners: 1
Winners: 1
Winners %: 100.0%
Black-type winners: 1
Runs: 7
Wins: 3
2nd/3rd: 2
Win %: 42.9%
Prize GB (£): £354,438
Prize IRE (€): €192,244

Small sample (under 5 runners): read with care. Includes this horse.

Best of the cross

Horse	Runs	Wins	Black-type wins	Best win	Prize GB (£)	Prize IRE (€)
Thundering On (GB)	7	3	3	Group/Grade 1	£354,438	€192,244

Thundering On (GB)

Horse: Thundering On (GB)
Runs: 7
Wins: 3
Black-type wins: 3
Best win: Group/Grade 1
Prize GB (£): £354,438
Prize IRE (€): €192,244

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	117	119	107	117	13 Sep 26	3

Flat

Code: Flat
Current OR: 117
Highest OR: 119
Lowest OR: 107
Last winning OR: 117
Last win: 13 Sep 26
Rated runs: 3

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

Date	Course	Code	OR	Change	Pos
13 Sep 26	Curragh (IRE)	Flat	117	-2	1/10
27 Jun 26	Curragh (IRE)	Flat	119	12	4/8
5 Jun 26	Epsom	Flat	107	-	1/9

1/1013 Sep 26 · Curragh (IRE)
All fields
Date
13 Sep 26
Course
Curragh (IRE)
Code
Flat
OR
117
Change
-2
Pos
1/10
4/827 Jun 26 · Curragh (IRE)
All fields
Date
27 Jun 26
Course
Curragh (IRE)
Code
Flat
OR
119
Change
12
Pos
4/8
1/95 Jun 26 · Epsom
All fields
Date
5 Jun 26
Course
Epsom
Code
Flat
OR
107
Change
-
Pos
1/9

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	117	117	0	117	13 Sep 26	0	117	0	119	-2

Flat

Code: Flat
Current OR: 117
OR last run: 117
Change: 0
Last winning OR: 117
Last win: 13 Sep 26
v last winning: 0
Highest winning OR: 117
v highest winning: 0
Highest OR: 119
v highest: -2

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

Thundering Nights (IRE)

Record: Group 1 winner (2 black-type wins)
G1 winners: 1
Produce: 1 winners from 1 runners

Full siblings

Thundering On is the only foal out of Thundering Nights (IRE) to have raced in Britain or Ireland.

Half siblings

Thundering On is the only foal out of Thundering Nights (IRE) to have raced in Britain or Ireland.

Female line

1Thundering Nights (IRE) · by Night Of Thunder (IRE)
2Cape Castle (IRE) · by Cape Cross (IRE)
3Kaabari (USA) · by Seeking The Gold (USA)
4Cloud Castle (GB) · by In The Wings (GB)

Notable relatives

Dam

Thundering Nights (IRE)4W · 11R · 1 G1

Great-great-great-uncle (out of 5th dam)

Warrsan (IRE)7W · 30R · 2 G1
Needle Gun (IRE)3W · 19R · 2 black-type
Luso (GB)2W · 11R · 2 black-type

Third cousin once removed

New Mandate (IRE)4W · 10R · 3 black-type
Urban Icon (GB)3W · 14R · 1 black-type

4th dam

Cloud Castle (GB)1W · 8R · 1 black-type

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

Queen's Best (GB)4W · 12R · 2 black-type
Urban Castle (USA)3W · 13R · 1 black-type

First cousin twice removed

Royal Dress (IRE)5W · 20R · 3 black-type
Dabyah (IRE)3W · 5R · 1 black-type

First cousin 3 times removed

Hattan (IRE)6W · 31R · 4 black-type
Blue Monday (GB)7W · 20R · 3 black-type
Tastahil (IRE)4W · 27R · 2 black-type

Second cousin once removed

Chancellor (GB)4W · 11R · 1 black-type
So Regal (GB)3W · 6R · 1 black-type

View full Lucayan Princess family

In brief

How old is Thundering On?

Thundering On (GB) is a 3-year-old chestnut filly, foaled on 17 January 2023.

Who are the sire and dam of Thundering On?

Thundering On (GB) is by Frankel (GB) out of Thundering Nights (IRE), a daughter of Night Of Thunder (IRE), and was bred by Shapoor Mistry.

Who trains Thundering On?

Thundering On (GB) is trained by Joseph Patrick O'Brien and owned by Shapoor Mistry, and has run for no other trainer in Britain or Ireland.

What is Thundering On's race record?

In Britain and Ireland, Thundering On (GB) has won 3 of 7 races (43%). Runs abroad (for example in France, Dubai or the USA) are not included.

What is Thundering On's biggest win?

Thundering On (GB)'s biggest win in Britain or Ireland came in the Betfred Oaks (Group 1) at Epsom on 5 June 2026.

Has Thundering On ever been beaten?

Thundering On (GB) has been beaten 4 times in 7 runs in Britain and Ireland, the first time on 4 October 2025 at Curragh (IRE) (4th of 13).

What is Thundering On's official rating?

Thundering On (GB) is officially rated 117 on the Flat (career high 119).

When did Thundering On last run?

Thundering On (GB) last ran in Britain or Ireland on 13 September 2026 at Curragh (IRE) in the Moyglare 'Jewels' Blandford Stakes (Group 2), finishing 1st of 10.

When is Thundering On's next race?

Thundering On (GB) is entered in the Qatar Racing British Champions Fillies & Mares Stakes (Group 1) at Ascot on 17 October 2026 (off 14:40).

Is Thundering On related to any top horses?

Thundering On (GB)'s black-type relatives in Britain and Ireland include Thundering Nights (IRE) (dam, Group 1 winner), Warrsan (IRE) (great-great-great-uncle, Group 1 winner) and New Mandate (IRE) (third cousin once removed, Group 2 winner), from the Lucayan Princess (GB) family.

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Updated 2026-09-13