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Horse profile

Boss For A Day (GB)

2yo gelding (at last run, Dec 2017) · Last trainer J S Moore · Last owner J S Moore Partnership
by Mastercraftsman (IRE) out of Santa Agata (FR) (Anabaa)
4 runs · 3 courses · from Oct 2017
As at 4 Nov 2026 · KTB archive: GB, Ireland & France · 2005–present, updated daily
No run recorded since 14 Dec 2017 — 3,247 days ago. Our archive can't say whether the horse is still in training.
Last run Dec 2017 · 9th of 9 First-time headgear LTO
KTB Profile

Boss For A Day (GB) is yet to win from 4 starts.

Based on 4 archived runs · updated 4 Nov 2026

KTB Speed and Rating

KTB Speed

Best recent Speed 70 the best of the last 1 graded (A or B) run · Kempton (AW), 1 Nov 2017

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 3 figures · best 70A · median 60
GoingRunsBestMedianSince 4 Nov 2025
Standard (AW)370A60—
DistanceRunsBestMedianSince 4 Nov 2025
6f – 7f1———
1m2f – 1m4f1———
1m – 1m1f1———

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

KTB Rating

Best recent KTB Rating 67A the best of the last 3 rated runs · Kempton (AW), 1 Nov 2017

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 3 figures · best 67A · median 52
GoingRunsBestMedianSince 4 Nov 2025
Standard (AW)367A52—
DistanceRunsBestMedianSince 4 Nov 2025
6f – 7f1———
1m2f – 1m4f1———
1m – 1m1f1———

KTB Rating v1 · batch 3 Oct 2026 · GB & Irish racing only · 3 figures from 3 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
Mastercraftsman (IRE)

Progeny in our archive have won 10.6% of 11,636 runs since Apr 2013 (842 horses).

GoingRunsWinsSRvs sireThis horse
Firm2328.7%−1.9—
Good to Firm1,34515611.6%+1—
Good2,97434511.6%+1—
Good to Soft1,53216610.8%+0.2—
Soft1,9691829.2%−1.4—
Heavy6607010.6%0—
Standard (AW)3,1323109.9%−0.70 from 4
Distance (all codes)RunsWinsSRvs sireThis horse
Under 6f5459.3%−1.3—
6f – 7f1,3841198.6%−20 from 2
1m – 1m1f2,3342179.3%−1.30 from 1
1m2f – 1m4f3,81643811.5%+0.90 from 1
1m5f – 2m2,58728511%+0.4—
2m1f – 2m4f1,08711410.5%−0.1—
2m5f – 3m3264413.5%+2.9—
Over 3m48918.8%+8.2—

Flat and jumps together (all codes) · since Apr 2013 · as at 4 Nov 2026 · rows under 30 runs muted · win % is the measure, a record not a forecast

Dam
Santa Agata (FR) (Anabaa)

3 siblings in the archive, 0 winners.

ProduceRunsWinsWin tripsBest grade
Indulgent (GB)210——
Torrealta (FR)10——
Said (FR)10——

Record by conditions

ClassRunsWinsSR£1
Class 6 2 0 0% −2.00
Class 5 1 0 0% −1.00

CourseRunsWinsSR£1
Kempton (AW) 2 0 0% −2.00
Chelmsford City (AW) 1 0 0% −1.00
Deauville (FR) 1 0 0% −1.00

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

JockeyRunsWinsSR£1
Josephine Gordon 3 0 0% −3.00
Sean Levey 1 0 0% −1.00

HeadgearRunsWinsSR£1
None 3 0 0% −3.00
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 SpdKTB Jockey SP
2017 · 4 runs
14 Dec 17+15d Chelmsford City (AW) Bet Totejackpot At Betfred.com Novice Auction Stakes Class 6 · 7f · Standard · 9 ran 9/9 1¾ 8-12 57C29C Josephine Gordon 20/1
29 Nov 17+28d Kempton (AW) Close Brothers Business Finance Maiden Stakes Class 5 · 1m2f · Standard · 13 ran 13/13 5 9-5 60C52C Sean Levey 100/1
01 Nov 17+13d Kempton (AW) racinguk.com/join Novice Auction Stakes (Div 1) Class 6 · 1m · Standard To Slow · 10 ran 6/10 1¼ 9-0 70A67A Josephine Gordon 25/1
19 Oct 17 Deauville (FR) Prix Arazi (Conditions) (2yo) (Polytrack) 7½f · Standard · 8 ran 8/8 12 8-7 —— Josephine Gordon 40/1

Quick answers

How many races has Boss For A Day won?
Boss For A Day (GB) has yet to win, from 4 archived starts in 2017.
Who trained Boss For A Day?
Boss For A Day (GB) was trained by J S Moore on the most recent run on record, at Chelmsford City (AW) on 14 December 2017.
Who is Boss For A Day's sire?
Boss For A Day (GB) is by Mastercraftsman (IRE) out of Santa Agata (FR), whose sire is Anabaa.
What is Boss For A Day's sire's record?
Mastercraftsman (IRE)'s progeny in our archive have won 10.6% of 11,636 runs since Apr 2013 (842 horses), Flat and jumps together.
Who are Boss For A Day's siblings?
Out of Santa Agata (FR), Boss For A Day (GB) has 3 other produce in our archive, 0 of them winners. As at Nov 2026.

Record shown from October 2017. 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.