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Horse profile

Halfcause (USA)

3yo filly (at last run, Nov 2010) · Last trainer F Head · Last owner Wertheimer Frere
by Giant's Causeway (USA) out of Halfbridled (USA) (Unbridled)
3 runs · 3 courses · from Jul 2010
As at 21 Oct 2026 · KTB archive: GB, Ireland & France · 2005–present, updated daily
No run recorded since 23 Nov 2010 — 5,811 days ago. Our archive can't say whether the horse is still in training.
Last run Nov 2010 · 5th of 12
KTB Profile

Halfcause (USA) is yet to win from 3 starts. Best effort: 3rd of 4 at Nantes (Oct 2010).

Based on 3 archived runs · updated 21 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
Giant's Causeway (USA)

Progeny in our archive have won 11.6% of 3,018 runs since Jan 2008 (320 horses).

Weakest on soft going: 7.1% from 394. Weakest over 1m5f – 2m (all codes): 8.3% from 422.

GoingRunsWinsSRvs sireThis horse
Firm3937.7%−3.9—
Good to Firm6058313.7%+2.1—
Good6556710.2%−1.4—
Good to Soft290227.6%−40 from 1
Soft394287.1%−4.50 from 1
Heavy1582012.7%+1.10 from 1
Standard (AW)87712614.4%+2.8—
Distance (all codes)RunsWinsSRvs sireThis horse
Under 6f27518.5%+6.9—
6f – 7f5957312.3%+0.7—
1m – 1m1f7368912.1%+0.50 from 3
1m2f – 1m4f84610712.6%+1—
1m5f – 2m422358.3%−3.3—
2m1f – 2m4f202199.4%−2.2—
2m5f – 3m123118.9%−2.7—
Over 3m671014.9%+3.3—

Flat and jumps together (all codes) · since Jan 2008 · as at 21 Oct 2026 · rows under 30 runs muted · win % is the measure, a record not a forecast

Dam
Halfbridled (USA) (Unbridled)

1 sibling in the archive, 1 winner — best of them Pas Prete (GB) (1 win).

The wins came over 6f.

ProduceRunsWinsWin tripsBest grade
Pas Prete (GB)616f—

Record by conditions

GoingRunsWinsSR£1
Heavy 1 0 0% −1.00
Soft 1 0 0% —
Good to Soft 1 0 0% −1.00

CourseRunsWinsSR£1
Saint-Cloud (FR) 1 0 0% −1.00
Nantes 1 0 0% —
Deauville (FR) 1 0 0% −1.00

JockeyRunsWinsSR£1
Mickael Barzalona 1 0 0% −1.00
Aurelien Malenfant 1 0 0% —
Olivier Peslier 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 Jockey SP
23 Nov 10+23d Saint-Cloud (FR) Prix Sourbier (Conditions) (3yo) (Turf) 8f · Heavy · 12 ran 5/12 2½ 8-8 Mickael Barzalona 16/1
31 Oct 10+122d Nantes Prix de Barbin 8f · Soft · 4 ran 3/4 hd 8-8 Aurelien Malenfant —
01 Jul 10 Deauville (FR) Prix De Bourgeauville (Conditions Race) (3yo Fillies) (Turf) 8f · Good To Soft · 8 ran 8/8 5 8-10 Olivier Peslier 14/1

Quick answers

How many races has Halfcause (USA) won?
Halfcause (USA) has yet to win, from 3 archived starts in 2010.
Who trained Halfcause (USA)?
Halfcause (USA) was trained by F Head on the most recent run on record, at Saint-Cloud (FR) on 23 November 2010.
Who is Halfcause (USA)'s sire?
Halfcause (USA) is by Giant's Causeway (USA) out of Halfbridled (USA), whose sire is Unbridled.
What is Halfcause (USA)'s sire's record?
Giant's Causeway (USA)'s progeny in our archive have won 11.6% of 3,018 runs since Jan 2008 (320 horses), Flat and jumps together. Weakest on soft going: 7.1% from 394. Weakest over 1m5f – 2m (all codes): 8.3% from 422.
Who are Halfcause (USA)'s siblings?
Out of Halfbridled (USA), Halfcause (USA) has 1 other produce in our archive, 1 of them a winner. Most wins: Pas Prete (GB) (1). The wins came over 6f. As at Oct 2026.

Record shown from July 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.