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Horse profile

Sylberia (FR)

2yo filly (at last run, Dec 2010) · Last trainer B Lefevre · Last owner Mme Nathalie Lefevre
by Miesque's Son (USA) out of Sylberlev (USA) (Boston Harbor)
2 runs · 2 courses · from Oct 2010
As at 28 Oct 2026 · KTB archive: GB, Ireland & France · 2005–present, updated daily
No run recorded since 9 Dec 2010 — 5,802 days ago. Our archive can't say whether the horse is still in training.
Last run Dec 2010 · 10th of 17
KTB Profile

Lightly raced, with 2 archived starts between Oct 2010 and Dec 2010, the last of them as a 2yo filly. Finished 10 of 17 at Deauville (FR) last time. By Miesque's Son (USA), whose progeny in our archive have won 7.4% of 647 runs since Jan 2008.

Based on 2 archived runs · updated 28 Oct 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

No KTB Rating figures for this horse. The engine scores GB and Irish racing; runs elsewhere, or earlier, have no figure.

KTB Rating v1 · batch 3 Oct 2026 · GB & Irish racing only · 0 figures from 0 runs · 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
Miesque's Son (USA)

Progeny in our archive have won 7.4% of 647 runs since Jan 2008 (72 horses).

Weakest on soft going: 3.8% from 130.

GoingRunsWinsSRvs sireThis horse
Firm200%−7.4—
Good to Firm36513.9%+6.5—
Good173169.2%+1.80 from 1
Good to Soft8789.2%+1.8—
Soft13053.8%−3.6—
Heavy5447.4%0—
Standard (AW)164106.1%−1.30 from 1
Distance (all codes)RunsWinsSRvs sireThis horse
Under 6f30413.3%+5.9—
6f – 7f127107.9%+0.50 from 1
1m – 1m1f16684.8%−2.60 from 1
1m2f – 1m4f157127.6%+0.2—
1m5f – 2m10898.3%+0.9—
2m1f – 2m4f4449.1%+1.7—
2m5f – 3m1516.7%−0.7—

Flat and jumps together (all codes) · since Jan 2008 · as at 28 Oct 2026 · rows under 30 runs muted · win % is the measure, a record not a forecast

Dam
Sylberlev (USA) (Boston Harbor)

No other produce in our archive. It holds racing in Great Britain, Ireland and France from 2005, so siblings racing elsewhere won’t appear here.

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

Form

DateCourseRace PosBtn Wgt Jockey SP
2010 · 2 runs
09 Dec 10+46d Deauville (FR) Prix De La Hauquerie (Div 1) (Maiden) (2yo) (Fibresand) 9.5f · Standard · 17 ran 10/17 1½ 8-9 Williams Saraiva 28/1
24 Oct 10 Vannes Prix des Benevoles 7.5f · Good · 5 ran 2/5 2 8-12 Richard Chatel —

Quick answers

How many races has Sylberia won?
Sylberia (FR) has yet to win, from 2 archived starts in 2010. Placed 1 time in total (50% of starts).
Who trained Sylberia?
Sylberia (FR) was trained by B Lefevre on the most recent run on record, at Deauville (FR) on 9 December 2010.
Who is Sylberia's sire?
Sylberia (FR) is by Miesque's Son (USA) out of Sylberlev (USA), whose sire is Boston Harbor.
What is Sylberia's sire's record?
Miesque's Son (USA)'s progeny in our archive have won 7.4% of 647 runs since Jan 2008 (72 horses), Flat and jumps together. Weakest on soft going: 3.8% from 130.

Record shown from October 2010. 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.