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Horse profile

Samphire Green (IRE)

2yo colt (at last run, Nov 2023) · Last trainer K R Burke · Last owner Nick Bradley Racing 28 Partner
by Zoustar (AUS) out of White Rosa (IRE) (Galileo)
1 run · 1 course · from Nov 2023
As at 5 Nov 2026 · KTB archive: GB, Ireland & France · 2005–present, updated daily
No run recorded since 19 Nov 2023 — 1,082 days ago. Our archive can't say whether the horse is still in training.
Last run Nov 2023 · 2nd of 5
KTB Profile

Samphire Green finished second of five on his only start in a Class 4 maiden at Newcastle over 1m on standard going in Nov 2023. The Zoustar colt is out of a Galileo mare whose four previous foals to race have produced three winners including Marshman with five wins. Zoustar’s progeny in the archive have recorded a 10.8% strike rate from 2,736 runs since Jan 2008 with their strongest record coming under 6f.

Based on 1 archived run · updated 5 Nov 2026

KTB Speed and Rating

KTB Speed

Best recent Speed — no A or B graded figure in the last 3 runs; the figures below carry grade C

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 1 figure · too few for a breakdown

KTB Speed v1 · batch 15 Sep 2026 · GB & Irish racing only · 1 figure from 1 run · as at 3 Oct 2026 · a record, not a forecast

KTB Rating

Best recent KTB Rating 88B the best of the last 1 rated run · Newcastle (AW), 19 Nov 2023

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 →

Flat 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
Zoustar (AUS)

Progeny in our archive have won 10.8% of 2,763 runs since Mar 2022 (315 horses).

Strongest at trips under 6f (all codes): 14.5% from 331. Weakest over 1m2f – 1m4f (all codes): 3.6% from 194.

GoingRunsWinsSRvs sireThis horse
Firm14321.4%+10.6—
Good to Firm440439.8%−1—
Good593528.8%−2—
Good to Soft249218.4%−2.4—
Soft2652910.9%+0.1—
Heavy871416.1%+5.3—
Standard (AW)1,11513712.3%+1.50 from 1
Distance (all codes)RunsWinsSRvs sireThis horse
Under 6f3314814.5%+3.7—
6f – 7f1,43215410.8%0—
1m – 1m1f6778412.4%+1.60 from 1
1m2f – 1m4f19473.6%−7.2—
1m5f – 2m6411.6%−9.2—
2m1f – 2m4f4948.2%−2.6—
2m5f – 3m1417.1%−3.7—
Over 3m200%−10.8—

Flat and jumps together (all codes) · since Mar 2022 · as at 5 Nov 2026 · rows under 30 runs muted · win % is the measure, a record not a forecast

Dam

4 siblings in the archive, 3 winners — best of them Marshman (GB) (5 wins).

The wins came over 5½f–7f; the highest grade won is Group 3 (Marshman (GB)).

ProduceRunsWinsWin tripsBest grade
Marshman (GB)2455½f–6fGroup 3
Artagnan (IRE)1626fClass 2
Real American (IRE)217fClass 5
Mr Quigley (GB)40——

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

Form

DateCourseRace PosBtn Wgt SpdKTB Jockey SP
2023 · 1 run
19 Nov 23 Newcastle (AW) Win 2,000,000 With BetMGM's Golden Goals Maiden Stakes (GBB Race) Class 4 · 1m · Standard · 5 ran 2/5 hd 9-7 96C88B Sam James 14/1

Quick answers

How many races has Samphire Green won?
Samphire Green (IRE) has yet to win, from 1 archived start in 2023. Placed 1 time in total (100% of starts).
Who trained Samphire Green?
Samphire Green (IRE) was trained by K R Burke on the most recent run on record, at Newcastle (AW) on 19 November 2023.
Who is Samphire Green's sire?
Samphire Green (IRE) is by Zoustar (AUS) out of White Rosa (IRE), whose sire is Galileo.
What is Samphire Green's sire's record?
Zoustar (AUS)'s progeny in our archive have won 10.8% of 2,763 runs since Mar 2022 (315 horses), Flat and jumps together. Strongest at trips under 6f (all codes): 14.5% from 331. Weakest over 1m2f – 1m4f (all codes): 3.6% from 194.
Who are Samphire Green's siblings?
Out of White Rosa (IRE), Samphire Green (IRE) has 4 other produce in our archive, 3 of them winners. Most wins: Marshman (GB) (5). Highest grade won: Group 3 (Marshman (GB)). The wins came over 5½f–7f. As at Nov 2026.

Record shown from November 2023. 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.