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Horse profile

Thunderstone (IRE)

2yo gelding (at last run, Oct 2020) · Last trainer Simon & Ed Crisford · Last owner Rabbah Racing
by Night Of Thunder (IRE) out of Frine (IRE) (High Chaparral)
5 runs · 5 courses · from Aug 2020
As at 28 Oct 2026 · KTB archive: GB, Ireland & France · 2005–present, updated daily
No run recorded since 15 Oct 2020 — 2,204 days ago. Our archive can't say whether the horse is still in training.
Last run Oct 2020 · 4th of 6 Beaten favourite LTO Last raced off OR 63
KTB Profile

Thunderstone (IRE) is yet to win from 5 starts, though has placed twice. Best effort: 2nd of 9 at Southwell (AW) (Oct 2020). Last raced off a career-high mark of 63.

Based on 5 archived runs · updated 28 Oct 2026

KTB Speed and Rating

KTB Speed

Best recent Speed 95 the best of the last 3 graded (A or B) runs · Southwell (AW), 6 Oct 2020

How fast the horse ran, as points against the day-corrected standard time for its course and distance: 100 is the median GB Class 4 handicap winner on that code; one point is 0.1% of the standard time. A, B or C is how much the day's card could tell us, not how good the run was. What this means →

Flat 5 figures · best 95A · median 86
GoingRunsBestMedianSince 28 Oct 2025
Standard (AW)395A86—
Soft1———
Good to Firm1———
DistanceRunsBestMedianSince 28 Oct 2025
1m – 1m1f295A90.5—
6f – 7f286A73.5—
1m2f – 1m4f1———

KTB Speed v1 · batch 15 Sep 2026 · GB & Irish racing only · 5 figures from 5 runs · as at 3 Oct 2026 · a record, not a forecast

KTB Rating

Best recent KTB Rating 80A the best of the last 3 rated runs · Southwell (AW), 6 Oct 2020 Official rating 63 at the last run, 15 Oct 2020

What the horse achieved in each race, in pounds on the official-rating scale, from the weight carried, the lengths beaten and the race's own level solved across the archive — never the market, never the official rating as a starting point. The headline is the best of the horse's last three rated runs on that code. A, B or C on a run is how much known form was in that race. What this means →

Flat 5 figures · best 80A · median 60
GoingRunsBestMedianSince 28 Oct 2025
Standard (AW)380A74—
Soft1———
Good to Firm1———
DistanceRunsBestMedianSince 28 Oct 2025
1m – 1m1f280A77—
6f – 7f260A52.5—
1m2f – 1m4f1———

KTB Rating v1 · batch 3 Oct 2026 · GB & Irish racing only · 5 figures from 5 runs · as at 4 Oct 2026 · a record, not a forecast

Both figures are KTB's own, computed from the archive; no vendor rating enters either. Every run's figure is on its form line below with its grade. Grades measure how much the archive could see, never the merit of the run.

Run style is derived from in-running commentary, which our data provider does not supply for this horse's races.

Pedigree intelligence

Sire

Progeny in our archive have won 16.3% of 5,086 runs since Jan 2008 (563 horses).

Weakest over 1m5f – 2m (all codes): 7% from 158.

GoingRunsWinsSRvs sireThis horse
Firm4250%+33.7—
Good to Firm83115418.5%+2.20 from 1
Good1,22019916.3%0—
Good to Soft5809215.9%−0.4—
Soft71012016.9%+0.60 from 1
Heavy2173616.6%+0.3—
Standard (AW)1,52422414.7%−1.60 from 3
Distance (all codes)RunsWinsSRvs sireThis horse
Under 6f3836015.7%−0.6—
6f – 7f2,11937217.6%+1.30 from 2
1m – 1m1f1,36420615.1%−1.20 from 2
1m2f – 1m4f1,00417217.1%+0.80 from 1
1m5f – 2m158117%−9.3—
2m1f – 2m4f47510.6%−5.7—
2m5f – 3m9111.1%−5.2—
Over 3m200%−16.3—

Flat and jumps together (all codes) · since Jan 2008 · as at 28 Oct 2026 · rows under 30 runs muted · win % is the measure, a record not a forecast

Dam
Frine (IRE) (High Chaparral)

2 siblings in the archive, 1 winner — best of them Reventador (IRE) (3 wins).

The wins came over 1m2f–1m4½f.

ProduceRunsWinsWin tripsBest grade
Reventador (IRE)3931m2f–1m4½f—
Garachico (GB)90——

Record by conditions

GoingRunsWinsSR£1
Standard (AW) 3 0 0% −3.00
Soft 1 0 0% −1.00
Good to Firm 1 0 0% −1.00

ClassRunsWinsSR£1
Class 5 4 0 0% −4.00
Class 6 1 0 0% −1.00

CourseRunsWinsSR£1
Chelmsford City (AW) 1 0 0% −1.00
Southwell (AW) 1 0 0% −1.00
Kempton (AW) 1 0 0% −1.00
Beverley 1 0 0% −1.00
Leicester 1 0 0% −1.00

DistanceRunsWinsSR£1
1m – 1m1f 2 0 0% −2.00
6f – 7f 2 0 0% −2.00
1m2f – 1m4f 1 0 0% −1.00

JockeyRunsWinsSR£1
Andrea Atzeni 3 0 0% −3.00
William Humphrey 1 0 0% −1.00
Tony Hamilton 1 0 0% −1.00

HeadgearRunsWinsSR£1
Blinkers 2 0 0% −2.00
None 2 0 0% −2.00
Cheekpieces 1 0 0% −1.00

Splits include every sample, however small — muted rows are under 3 runs. A one-from-one record is a fact, not a trend: read the Runs column before the strike rate.

Form

DateCourseRace PosBtn Wgt ORSpdKTB Jockey SP
2020 · 5 runs
15 Oct 20+9d Chelmsford City (AW) tote Placepot Your First Bet Nursery Class 5 · 10f · Standard · 6 ran 4/6 2¼ 8-7 6359A57B William Humphrey 15/8F
06 Oct 20+21d Southwell (AW) Southwell Annual Members Nursery Class 5 · 8f · Standard To Slow · 9 ran 2/9 3 8-10 6395A80A Tony Hamilton 9/2
15 Sep 20+19d Kempton (AW) Try Our New Runner Boost At Unibet Nursery Class 6 · 8f · Standard To Slow · 10 ran 2/10 4 9-7 5986A74A Andrea Atzeni 3/1F
27 Aug 20+25d Beverley William Hill Extra Places Every Day EBF Novice Stakes (Div 1) Class 5 · 7.5f · Soft · 11 ran 6/11 nk 9-5 —86A60A Andrea Atzeni 6/1
02 Aug 20 Leicester British Stallion Studs EBF Novice Stakes Class 5 · 7f · Good To Firm · 6 ran 5/6 19 9-5 —61C45C Andrea Atzeni 11/2

Quick answers

How many races has Thunderstone won?
Thunderstone (IRE) has yet to win, from 5 archived starts in 2020. Placed 2 times in total (40% of starts).
Who trained Thunderstone?
Thunderstone (IRE) was trained by Simon & Ed Crisford on the most recent run on record, at Chelmsford City (AW) on 15 October 2020.
Who is Thunderstone's sire?
Thunderstone (IRE) is by Night Of Thunder (IRE) out of Frine (IRE), whose sire is High Chaparral.
What is Thunderstone's official rating?
The most recent official rating on record is 63, from the run on 15 October 2020. That is also the highest on record.
What is Thunderstone's sire's record?
Night Of Thunder (IRE)'s progeny in our archive have won 16.3% of 5,086 runs since Jan 2008 (563 horses), Flat and jumps together. Weakest over 1m5f – 2m (all codes): 7% from 158.
Who are Thunderstone's siblings?
Out of Frine (IRE), Thunderstone (IRE) has 2 other produce in our archive, 1 of them a winner. Most wins: Reventador (IRE) (3). The wins came over 1m2f–1m4½f. As at Oct 2026.

Record shown from August 2020. Our archive holds racing in Great Britain, Ireland and France from January 2005. Runs in other countries are not in it, and earlier runs are not available from our data provider. In-running comments are available from 2024 onward.