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Horse profile

Diligent Deb (IRE)

2yo filly (at last run, Sep 2019) · Last trainer William Muir · Last owner Foursome Thoroughbreds
by Due Diligence (USA) out of Kummel Excess (IRE) (Exceed And Excel)
5 runs · 4 courses · from Jun 2019
As at 21 Oct 2026 · KTB archive: GB, Ireland & France · 2005–present, updated daily
No run recorded since 3 Sep 2019 — 2,604 days ago. Our archive can't say whether the horse is still in training.
Last run Sep 2019 · 8th of 8 Won at Windsor Last raced off OR 78
KTB Profile

Diligent Deb (IRE) is 1 from 5, the win coming at Class 4 level. Hasn't won since Jun 2019.

Based on 5 archived runs · updated 21 Oct 2026
KTB at a glance Win at Class 4

KTB Speed and Rating

KTB Speed

Best recent Speed 82 the best of the last 3 graded (A or B) runs · Goodwood, 3 Sep 2019

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 82A · median 68
GoingRunsBestMedianSince 21 Oct 2025
Good to Soft249A49—
Good to Firm1———
Standard (AW)1———
Soft1———
DistanceRunsBestMedianSince 21 Oct 2025
6f – 7f482A58.5—
Under 6f1———

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 63B the best of the last 3 rated runs · Kempton (AW), 14 Aug 2019 Official rating 78 at the last run, 3 Sep 2019

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 63
GoingRunsBestMedianSince 21 Oct 2025
Good to Soft280A68—
Good to Firm1———
Standard (AW)1———
Soft1———
DistanceRunsBestMedianSince 21 Oct 2025
6f – 7f480A59.5—
Under 6f1———

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 10.3% of 2,545 runs since Jan 2008 (193 horses).

GoingRunsWinsSRvs sireThis horse
Firm1119.1%−1.2—
Good to Firm4134711.4%+1.10 from 1
Good528519.7%−0.6—
Good to Soft2172411.1%+0.80 from 2
Soft2022411.9%+1.61 from 1
Heavy5259.6%−0.7—
Standard (AW)1,1221109.8%−0.50 from 1
Distance (all codes)RunsWinsSRvs sireThis horse
Under 6f4845812%+1.71 from 1
6f – 7f1,37515010.9%+0.60 from 4
1m – 1m1f440358%−2.3—
1m2f – 1m4f223198.5%−1.8—
1m5f – 2m1600%−10.3—
2m1f – 2m4f700%−10.3—

Flat and jumps together (all codes) · since Jan 2008 · as at 20 Oct 2026 · rows under 30 runs muted · win % is the measure, a record not a forecast

Dam
Kummel Excess (IRE) (Exceed And Excel)

5 siblings in the archive, 4 winners — best of them Excessable (GB) (9 wins).

The wins came over 5f–6f; the highest grade won is Class 3 (Excessable (GB)).

ProduceRunsWinsWin tripsBest grade
Excessable (GB)8195f–6fClass 3
Blissful Song (IRE)2135f–6fClass 5
Dream House (GB)1935fClass 5
Computable (GB)2825fClass 4
Resolution (GB)20——

Record by conditions

GoingRunsWinsSR£1
Good to Soft 2 0 0% −2.00
Good to Firm 1 0 0% −1.00
Standard (AW) 1 0 0% −1.00
Soft 1 1 100% +14.00

ClassRunsWinsSR£1
Class 4 2 1 50% +13.00
Class 1 2 0 0% −2.00
Class 2 1 0 0% −1.00

CourseRunsWinsSR£1
Ascot 2 0 0% −2.00
Goodwood 1 0 0% −1.00
Kempton (AW) 1 0 0% −1.00
Windsor 1 1 100% +14.00

DistanceRunsWinsSR£1
6f – 7f 4 0 0% −4.00
Under 6f 1 1 100% +14.00

JockeyRunsWinsSR£1
Jason Watson 2 0 0% −2.00
Martin Dwyer 1 0 0% −1.00
P J McDonald 1 0 0% −1.00
David Egan 1 1 100% +14.00

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
03 Sep 19+20d Goodwood Racegoers Club Fillies' Nursery Class 2 · 6f · Good To Firm · 8 ran 8/8 1¾ 8-5 7882A50A Martin Dwyer 20/1
14 Aug 19+18d Kempton (AW) Susannah & Rich Ricci Yotes Court Vineyard Nursery Class 4 · 6f · Standard To Slow · 6 ran 4/6 1¾ 9-5 8168A63B P J McDonald 7/1
27 Jul 19+36d Ascot Princess Margaret Keeneland Stakes (Fillies' Group 3) Class 1 · 6f · Good To Soft · 9 ran 9/9 3¼ 9-0 —49A56A Jason Watson 50/1
21 Jun 19+11d Ascot Albany Stakes (Fillies' Group 3) Class 1 · 6f · Good To Soft · 25 ran 9/25 ½ 9-0 —49C80A Jason Watson 66/1
10 Jun 19 Windsor Murphy Group EBF Novice Stakes (Plus 10) Class 4 · 5f · Soft · 9 ran 1/9 9-0 —75A70A David Egan 14/1

Quick answers

How many races has Diligent Deb (IRE) won?
Diligent Deb (IRE) won 1 of 5 archived starts in 2019, a strike rate of 20%. Placed 1 time in total (20% of starts).
Who trained Diligent Deb (IRE)?
Diligent Deb (IRE) was trained by William Muir on the most recent run on record, at Goodwood on 3 September 2019.
Who is Diligent Deb (IRE)'s sire?
Diligent Deb (IRE) is by Due Diligence (USA) out of Kummel Excess (IRE), whose sire is Exceed And Excel.
What is Diligent Deb (IRE)'s official rating?
The most recent official rating on record is 78, from the run on 3 September 2019. The highest on record is 81.
What is Diligent Deb (IRE)'s sire's record?
Due Diligence (USA)'s progeny in our archive have won 10.3% of 2,545 runs since Jan 2008 (193 horses), Flat and jumps together.
Who are Diligent Deb (IRE)'s siblings?
Out of Kummel Excess (IRE), Diligent Deb (IRE) has 5 other produce in our archive, 4 of them winners. Most wins: Excessable (GB) (9). Highest grade won: Class 3 (Excessable (GB)). The wins came over 5f–6f. As at Oct 2026.

Record shown from June 2019. 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.