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Horse profile

Debutante Blues (USA)

3yo filly (at last run, Sep 2014) · Last trainer Mark Johnston · Last owner Sheikh Hamdan Bin Mohammed Al Maktoum
by Dubawi (IRE) out of Filarmonia (ARG) (Slew Gin Fizz)
1 run · 1 course · from Sep 2014
As at 4 Nov 2026 · KTB archive: GB, Ireland & France · 2005–present, updated daily
No run recorded since 11 Sep 2014 — 4,437 days ago. Our archive can't say whether the horse is still in training.
Last run Sep 2014 · 5th of 5
KTB Profile

Lightly raced, with 1 archived start in Sep 2014 as a 3yo filly. Finished 5 of 5 at Epsom Downs last time. By Dubawi (IRE), whose progeny in our archive have won 18.4% of 12,979 runs since Apr 2009.

Based on 1 archived run · updated 4 Nov 2026

Progeny in our archive

Produce record

As a dam, Debutante Blues (USA) has 3 produce in the archive, 2 winners — most wins Thegreyvtrain (GB) (6 wins).

The wins came over 5f–1m; the highest grade won is Class 4 (Toronado Grey (GB)).

ProduceRunsWinsWin tripsBest grade
Thegreyvtrain (GB)7565fClass 5
Toronado Grey (GB)1931mClass 4
Outtatheblue (GB)80——

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 39C the best of the last 1 rated run · Epsom Downs, 11 Sep 2014

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 1 figure · too few for a breakdown

KTB Rating v1 · batch 3 Oct 2026 · GB & Irish racing only · 1 figure from 1 run · 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 18.4% of 12,979 runs since Apr 2009 (1,530 horses).

Weakest at trips under 6f (all codes): 9.8% from 429.

GoingRunsWinsSRvs sireThis horse
Firm481122.9%+4.5—
Good to Firm2,32347720.5%+2.1—
Good3,16756417.8%−0.60 from 1
Good to Soft1,74931117.8%−0.6—
Soft1,91632917.2%−1.2—
Heavy59810317.2%−1.2—
Standard (AW)3,17658618.5%+0.1—
Distance (all codes)RunsWinsSRvs sireThis horse
Under 6f429429.8%−8.6—
6f – 7f3,12858118.6%+0.2—
1m – 1m1f3,87072718.8%+0.4—
1m2f – 1m4f3,83877120.1%+1.70 from 1
1m5f – 2m1,21018915.6%−2.8—
2m1f – 2m4f3344814.4%−4—
2m5f – 3m1381913.8%−4.6—
Over 3m32618.8%+0.4—

Flat and jumps together (all codes) · since Apr 2009 · as at 4 Nov 2026 · rows under 30 runs muted · win % is the measure, a record not a forecast

Dam
Filarmonia (ARG) (Slew Gin Fizz)

2 siblings in the archive, 1 winner — best of them Bluefire (GB) (4 wins).

The wins came over 6½f–1m.

ProduceRunsWinsWin tripsBest grade
Bluefire (GB)1146½f–1m—
Khiva (USA)20——

Too few runs for meaningful splits. The full record is below.

Form

DateCourseRace PosBtn Wgt KTB Jockey SP
2014 · 1 run
11 Sep 14 Epsom Downs Taffy Maiden Stakes Class 5 · 1m2f · Good · 5 ran 5/5 53 9-0 39C Kieren Fallon 12/1

Quick answers

How many races has Debutante Blues won?
Debutante Blues (USA) has yet to win, from 1 archived start in 2014.
Who trained Debutante Blues?
Debutante Blues (USA) was trained by Mark Johnston on the most recent run on record, at Epsom Downs on 11 September 2014.
Who is Debutante Blues's sire?
Debutante Blues (USA) is by Dubawi (IRE) out of Filarmonia (ARG), whose sire is Slew Gin Fizz.
What is Debutante Blues's sire's record?
Dubawi (IRE)'s progeny in our archive have won 18.4% of 12,979 runs since Apr 2009 (1,530 horses), Flat and jumps together. Weakest at trips under 6f (all codes): 9.8% from 429.
Who are Debutante Blues's siblings?
Out of Filarmonia (ARG), Debutante Blues (USA) has 2 other produce in our archive, 1 of them a winner. Most wins: Bluefire (GB) (4). The wins came over 6½f–1m. As at Nov 2026.
Has Debutante Blues produced winners?
As a dam, Debutante Blues (USA) has 3 produce in our archive, 2 of them winners. Most wins: Thegreyvtrain (GB) (6). Highest grade won: Class 4 (Toronado Grey (GB)). The wins came over 5f–1m. As at Nov 2026.

Record shown from September 2014. 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.