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Horse profile

Yellow Thunder (IRE)

4yo colt (at last run, Jun 2009) · Last trainer Luke Comer · Last owner Brian Comer
by On The Ridge (IRE) out of Mother Nellie (USA) (Al Nasr)
6 runs · 6 courses · from Apr 2008
As at 6 Nov 2026 · KTB archive: GB, Ireland & France · 2005–present, updated daily
No run recorded since 6 Jun 2009 — 6,361 days ago. Our archive can't say whether the horse is still in training.
Last run Jun 2009 · 18th of 22 Last raced off OR 44
KTB Profile

Yellow Thunder (IRE) is yet to win from 6 starts. Last raced off 44, 14lb below the career-high mark.

Based on 6 archived runs · updated 6 Nov 2026
KTB at a glance OR ↓ 14lb off peak
Official rating44↓ 14lb off peak
44 44–58

KTB Speed and Rating

KTB Speed

No KTB Speed figures for this horse. The engine scores GB and Irish racing from Oct 2016; runs elsewhere, or earlier, have no figure.

KTB Speed v1 · batch 15 Sep 2026 · GB & Irish racing only · 0 figures from 0 runs · a record, not a forecast

KTB Rating

Best recent KTB Rating 47C the best of the last 3 rated runs · Dundalk (AW), 30 Aug 2008 Official rating 44 at the last run, 6 Jun 2009

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 — its best recent day. The KTB Rating on a racecard is a different reading of the same figures: the level the horse has been running to, an average of up to its last six runs with the latest counting most, so the two can differ. A, B or C on a run is how much known form was in that race. What this means →

Flat 6 figures · best 60C · median 48.5
GoingRunsBestMedianSince 6 Nov 2025
Good360C58—
Standard (AW)250A48.5—
Soft1———
DistanceRunsBestMedianSince 6 Nov 2025
6f – 7f247C43—
1m – 1m1f250A43.5—
1m2f – 1m4f260C59—

KTB Rating v1 · batch 3 Oct 2026 · GB & Irish racing only · 6 figures from 6 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
On The Ridge (IRE)

Progeny in our archive have won 1.4% of 69 runs since Feb 2008 (11 horses).

GoingRunsWinsSRvs sireThis horse
Firm200%−1.4—
Good to Firm1000%−1.4—
Good1000%−1.40 from 3
Good to Soft600%−1.4—
Soft1218.3%+6.90 from 1
Heavy700%−1.4—
Standard (AW)2200%−1.40 from 2
Distance (all codes)RunsWinsSRvs sireThis horse
Under 6f100%−1.4—
6f – 7f2100%−1.40 from 2
1m – 1m1f1600%−1.40 from 2
1m2f – 1m4f2015%+3.60 from 2
1m5f – 2m900%−1.4—
2m1f – 2m4f200%−1.4—

Flat and jumps together (all codes) · since Feb 2008 · as at 5 Nov 2026 · rows under 30 runs muted · win % is the measure, a record not a forecast

Dam
Mother Nellie (USA) (Al Nasr)

3 siblings in the archive, 0 winners.

ProduceRunsWinsWin tripsBest grade
Yellow Mane (IRE)80——
Galway Nellie (IRE)10——
Sister Nellie (IRE)20——

Record by conditions

GoingRunsWinsSR£1
Good 3 0 0% −3.00
Standard (AW) 2 0 0% −2.00
Soft 1 0 0% −1.00

ClassRunsWinsSR£1
Class 4 2 0 0% −2.00
Class 5 1 0 0% −1.00

CourseRunsWinsSR£1
Curragh 1 0 0% −1.00
Dundalk (AW) 1 0 0% −1.00
Galway 1 0 0% −1.00
Newbury 1 0 0% −1.00
Chelmsford (AW) 1 0 0% −1.00
Newmarket 1 0 0% −1.00

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

JockeyRunsWinsSR£1
Jerry O'Dwyer 2 0 0% −2.00
R P Walsh 1 0 0% −1.00
Francisco Da Silva 1 0 0% −1.00
Michael Hussey 1 0 0% −1.00
Jim Crowley 1 0 0% −1.00

SeasonRunsWinsSR£1
2009 1 0 0% −1.00
2008 5 0 0% −5.00

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 ORKTB Jockey SP
2009 · 1 run
06 Jun 09+280d Curragh 20% Savings At Www.curragh.ie Maiden 6f · Good · 22 ran 18/22 5 9-3 4439C R P Walsh 66/1
2008 · 5 runs
30 Aug 08+29d Dundalk (AW) Oriel Maiden 6f · Standard · 14 ran 12/14 3½ 9-5 5047C Francisco Da Silva 50/1
01 Aug 08+76d Galway Arthur Guinness Handicap (50-70) 1m½f · Yielding · 16 ran 14/16 1 9-0 5837C Michael Hussey 33/1
17 May 08+16d Newbury Insead MBA 1970 Maiden Stakes (Div 1) Class 4 · 1m2f · Good · 15 ran 9/15 ½ 9-3 5858A Jim Crowley 100/1
01 May 08+15d Chelmsford (AW) Brandy Maiden Stakes Class 5 · 1m · Standard · 13 ran 9/13 3 8-11 —50A Jerry O'Dwyer 66/1
16 Apr 08 Newmarket Federation Of Bloodstock Agents Maiden Stakes Class 4 · 1m2f · Good · 15 ran 15/15 17 9-0 5060C Jerry O'Dwyer 100/1

Quick answers

How many races has Yellow Thunder won?
Yellow Thunder (IRE) has yet to win, from 6 archived starts between 2008 and 2009.
Who trained Yellow Thunder?
Yellow Thunder (IRE) was trained by Luke Comer on the most recent run on record, at Curragh on 6 June 2009.
Who is Yellow Thunder's sire?
Yellow Thunder (IRE) is by On The Ridge (IRE) out of Mother Nellie (USA), whose sire is Al Nasr.
What is Yellow Thunder's official rating?
The most recent official rating on record is 44, from the run on 6 June 2009. The highest on record is 58.
What is Yellow Thunder's sire's record?
On The Ridge (IRE)'s progeny in our archive have won 1.4% of 69 runs since Feb 2008 (11 horses), Flat and jumps together.
Who are Yellow Thunder's siblings?
Out of Mother Nellie (USA), Yellow Thunder (IRE) has 3 other produce in our archive, 0 of them winners. As at Nov 2026.

Record shown from April 2008. Our archive holds racing in Great Britain, Ireland and France from January 2005. Any runs before that, or in other countries, are not in it. In-running comments are available from 2024 onward.