As at 22 Oct 2026 · KTB archive: GB, Ireland & France · 2005–present, updated daily
No run recorded since 17 Oct 2017 — 3,291 days ago. Our archive can't say whether the horse is still in training.
Last run Oct 2017 · 10th of 13Won at LeicesterLast raced off OR 51
KTB Profile
Sir Jack (GB) is 1 from 24, the win coming at Class 5 level. Hasn't won since May 2017. The win came on turf — 0 from 10 on the all-weather, and the win came on good or faster ground (0 from 5 on softer). Last raced off 51, 13lb below the career-high mark.
Based on 24 archived runs · updated 22 Oct 2026
KTB at a glanceWon on turf, 0 on AWWins on good or fasterWin at Class 5OR ↓ 13lb off peak
A/E compares actual wins with what starting prices implied. "Fair" strips the bookmaker margin from the expectation, so favourites and longshots are judged on the same footing — figures near 1.00 mean the market priced this horse about right.
Official rating51↓ 13lb off peak
5150–64
KTB Speed and Rating
KTB Speed
Best recent Speed80the best of the last 3 graded (A or B) runs · Brighton, 10 Aug 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 22 figures · best 121A · median 82
Going
Runs
Best
Median
Since 22 Oct 2025
Standard (AW)
8
91B
74.5
—
Good to Soft
5
121A
84
—
Good
5
105A
100
—
Good to Firm
4
97A
83
—
Distance
Runs
Best
Median
Since 22 Oct 2025
1m2f – 1m4f
17
121A
80
—
1m – 1m1f
3
91B
84
—
6f – 7f
2
105A
95.5
—
KTB Speed v1 · batch 15 Sep 2026 · GB & Irish racing only · 22 figures from 22 runs · as at 3 Oct 2026 · a record, not a forecast
KTB Rating
Best recent KTB Rating69Athe best of the last 3 rated runs · Leicester, 12 Sep 2017Official rating 51at the last run, 17 Oct 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. A, B or C on a run is how much known form was in that race. What this means →
Flat 24 figures · best 90A · median 62.5
Going
Runs
Best
Median
Since 22 Oct 2025
Standard (AW)
10
63A
51
—
Good to Soft
5
90A
73
—
Good
5
79A
77
—
Good to Firm
4
81A
66.5
—
Distance
Runs
Best
Median
Since 22 Oct 2025
1m2f – 1m4f
17
82A
67
—
1m – 1m1f
5
90A
53
—
6f – 7f
2
78A
70
—
KTB Rating v1 · batch 3 Oct 2026 · GB & Irish racing only · 24 figures from 24 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.
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.
Sir Jack (GB) won 1 of 24 archived starts between 2016 and 2017, a strike rate of 4.2%. Placed 11 times in total (45.8% of starts).
Who trained Sir Jack (GB)?
Sir Jack (GB) was trained by Tony Carroll on the most recent run on record, at Kempton (AW) on 17 October 2017.
Who is Sir Jack (GB)'s sire?
Sir Jack (GB) is by Sir Percy (GB) out of Play Bouzouki (GB), whose sire is Halling.
What going does Sir Jack (GB) prefer?
Sir Jack (GB) has the best record on good going: 1 win from 5 starts (20%). Only going bands with at least three archived starts are read, so this is a direction rather than a settled preference.
What is Sir Jack (GB)'s official rating?
The most recent official rating on record is 51, from the run on 17 October 2017. The highest on record is 64.
What is Sir Jack (GB)'s sire's record?
Sir Percy (GB)'s progeny in our archive have won 11.1% of 7,149 runs since Jan 2008 (473 horses), Flat and jumps together.
Who are Sir Jack (GB)'s siblings?
Out of Play Bouzouki (GB), Sir Jack (GB) has 4 other produce in our archive, 2 of them winners. Most wins: Zanetto (GB) (4). Highest grade won: Listed (Zanetto (GB)). The wins came over 6f–7f. As at Oct 2026.
Sir Jack (GB)·1–24·SR 4.2%
KTB
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