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Horse profile

Bolshoi Boy (IRE)

5yo gelding (at last run, Mar 2007) · Last trainer Lucy Wadham · Last owner A E Pakenham
by Moscow Society (USA) out of Theatre Sister (IRE) (Duky)
1 run · 1 course · from Mar 2007
As at 4 Nov 2026 · KTB archive: GB, Ireland & France · 2005–present, updated daily
No run recorded since 24 Mar 2007 — 7,165 days ago. Our archive can't say whether the horse is still in training.
Last run Mar 2007 · 11th of 22
KTB Profile

Lightly raced, with 1 archived start in Mar 2007 as a 5yo gelding. Finished 11 of 22 at Newbury last time. By Moscow Society (USA), whose progeny in our archive have won 8.3% of 2,521 runs since Jan 2008.

Based on 1 archived run · updated 4 Nov 2026

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 84C the best of the last 1 rated run · Newbury, 24 Mar 2007

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 →

Jumps 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
Moscow Society (USA)

Progeny in our archive have won 8.3% of 2,521 runs since Jan 2008 (255 horses).

GoingRunsWinsSRvs sireThis horse
Firm2114.8%−3.5—
Good to Firm257207.8%−0.5—
Good817799.7%+1.4—
Good to Soft378277.1%−1.20 from 1
Soft624477.5%−0.8—
Heavy415368.7%+0.4—
Standard (AW)900%−8.3—
Distance (all codes)RunsWinsSRvs sireThis horse
1m – 1m1f100%−8.3—
1m2f – 1m4f500%−8.3—
1m5f – 2m529478.9%+0.60 from 1
2m1f – 2m4f1,017838.2%−0.1—
2m5f – 3m788627.9%−0.4—
Over 3m181189.9%+1.6—

Flat and jumps together (all codes) · since Jan 2008 · as at 4 Nov 2026 · rows under 30 runs muted · win % is the measure, a record not a forecast

Dam
Theatre Sister (IRE) (Duky)

1 sibling in the archive, 0 winners.

ProduceRunsWinsWin tripsBest grade
Dolce Topa (IRE)20——

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

Form

DateCourseRace PosBtn Wgt KTB Jockey SP
2007 · 1 run
24 Mar 07 Newbury West Berkshire Racing Club Standard Open NH Flat Race Class 5 · 2m½f · Good To Soft · 22 ran 11/22 1¼ 10-8 84C Matty Roe 33/1

Quick answers

How many races has Bolshoi Boy won?
Bolshoi Boy (IRE) has yet to win, from 1 archived start in 2007.
Who trained Bolshoi Boy?
Bolshoi Boy (IRE) was trained by Lucy Wadham on the most recent run on record, at Newbury on 24 March 2007.
Who is Bolshoi Boy's sire?
Bolshoi Boy (IRE) is by Moscow Society (USA) out of Theatre Sister (IRE), whose sire is Duky.
What is Bolshoi Boy's sire's record?
Moscow Society (USA)'s progeny in our archive have won 8.3% of 2,521 runs since Jan 2008 (255 horses), Flat and jumps together.
Who are Bolshoi Boy's siblings?
Out of Theatre Sister (IRE), Bolshoi Boy (IRE) has 1 other produce in our archive, 0 of them winners. As at Nov 2026.

Record shown from March 2007. 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.