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Horse profile

Lady Brienne (IRE)

7yo mare (at last run, Jan 2016) · Last trainer Simon West · Last owner Red Squares
by Flemensfirth (USA) out of Spirit Rock (IRE) (Rock Hopper)
2 runs · 2 courses · from Dec 2014
As at 28 Oct 2026 · KTB archive: GB, Ireland & France · 2005–present, updated daily
No run recorded since 8 Jan 2016 — 3,945 days ago. Our archive can't say whether the horse is still in training.
Last run Jan 2016
KTB Profile

Lightly raced, with 2 archived starts between Dec 2014 and Jan 2016, the last of them as a 7yo mare. By Flemensfirth (USA), whose progeny in our archive have won 11.8% of 17,281 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

Best recent KTB Rating 77C the best of the last 1 rated run · Newcastle, 11 Dec 2014

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 →

Jumps 1 figure · too few for a breakdown

Of 2 runs looked at, 1 has no figure: did not complete (or a non-runner row) (1).

KTB Rating v1 · batch 3 Oct 2026 · GB & Irish racing only · 1 figure from 2 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
Flemensfirth (USA)

Progeny in our archive have won 11.8% of 17,281 runs since Jan 2008 (1,594 horses).

GoingRunsWinsSRvs sireThis horse
Firm3800%−11.8—
Good to Firm522509.6%−2.2—
Good4,05344110.9%−0.9—
Good to Soft2,93335412.1%+0.3—
Soft5,87675112.8%+10 from 2
Heavy3,81744911.8%0—
Standard (AW)4224.8%−7—
Distance (all codes)RunsWinsSRvs sireThis horse
1m – 1m1f200%−11.8—
1m2f – 1m4f2514%−7.8—
1m5f – 2m4,48454712.2%+0.40 from 1
2m1f – 2m4f6,08172411.9%+0.10 from 1
2m5f – 3m5,25762211.8%0—
Over 3m1,43215310.7%−1.1—

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
Spirit Rock (IRE) (Rock Hopper)

5 siblings in the archive, 1 winner — best of them Soldier Of Rock (IRE) (1 win).

The wins came over 2m7½f; the highest grade won is Class 4 (Soldier Of Rock (IRE)).

ProduceRunsWinsWin tripsBest grade
Soldier Of Rock (IRE)112m7½fClass 4
Lost In The Mist (IRE)90——
Costante Via (IRE)140——
Ballymist (IRE)110——
Lostin A Fog (IRE)20——

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

Form

DateCourseRace PosBtn Wgt KTB Jockey SP
2016 · 1 run
08 Jan 16+393d Doncaster 1stsecuritysolutions.co.uk Maiden Hurdle (Div 1) Class 5 · 19.5f · Soft · 9 ran PU/9 — 10-10 — Joe Colliver 200/1
2014 · 1 run
11 Dec 14 Newcastle I.T.P.S. Standard Open NH Flat Race Class 6 · 16f · Soft · 16 ran 10/16 2½ 10-7 77C Henry Brooke 66/1

Quick answers

How many races has Lady Brienne won?
Lady Brienne (IRE) has yet to win, from 2 archived starts between 2014 and 2016.
Who trained Lady Brienne?
Lady Brienne (IRE) was trained by Simon West on the most recent run on record, at Doncaster on 8 January 2016.
Who is Lady Brienne's sire?
Lady Brienne (IRE) is by Flemensfirth (USA) out of Spirit Rock (IRE), whose sire is Rock Hopper.
What is Lady Brienne's sire's record?
Flemensfirth (USA)'s progeny in our archive have won 11.8% of 17,281 runs since Jan 2008 (1,594 horses), Flat and jumps together.
Who are Lady Brienne's siblings?
Out of Spirit Rock (IRE), Lady Brienne (IRE) has 5 other produce in our archive, 1 of them a winner. Most wins: Soldier Of Rock (IRE) (1). Highest grade won: Class 4 (Soldier Of Rock (IRE)). The wins came over 2m7½f. As at Oct 2026.

Record shown from December 2014. 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.