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Horse profile

Private Island (GB)

3yo filly (at last run, Apr 2025) · Last trainer Sir Mark Prescott Bt · Last owner Cheveley Park Stud
by Twilight Son (GB) out of Red Box (GB) (Exceed And Excel)
6 runs · 5 courses · from Aug 2024
As at 5 Nov 2026 · KTB archive: GB, Ireland & France · 2005–present, updated daily
No run recorded since 25 Apr 2025 — 559 days ago. Our archive can't say whether the horse is still in training.
Last run Apr 2025 · 5th of 10 2 wins · Yarmouth & Lingfield (AW) Last raced off OR 70
KTB Profile

Private Island won two of her six starts, both in handicaps. She took a Class 6 event at Yarmouth over 1m – 1m1f on good ground in Apr 2025 off an official rating of 64 and a Class 5 handicap at Lingfield over 6f – 7f on standard going the previous month off 60. The filly, by Twilight Son out of a daughter of Exceed And Excel, raced on turf and all-weather. Aged 3 at her last run in Apr 2025 she finished fifth of 10 at Doncaster off a career-high mark of 70.

Based on 6 archived runs · run-style from 6 commented runs since Aug 2024 · updated 5 Nov 2026
KTB at a glance Typically prominent

KTB Speed and Rating

KTB Speed

Best recent Speed 102 the best of the last 3 graded (A or B) runs · Yarmouth, 5 Apr 2025

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 6 figures · best 102A · median 81.5
GoingRunsBestMedianSince 5 Nov 2025
Standard (AW)383B68—
Good to Firm285A82.5—
Good1———
DistanceRunsBestMedianSince 5 Nov 2025
6f – 7f483B74—
1m – 1m1f2102A93.5—

KTB Speed v1 · batch 15 Sep 2026 · GB & Irish racing only · 6 figures from 6 runs · as at 3 Oct 2026 · a record, not a forecast

KTB Rating

Best recent KTB Rating 82A the best of the last 3 rated runs · Yarmouth, 5 Apr 2025 Official rating 70 at the last run, 25 Apr 2025

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 6 figures · best 82A · median 65
GoingRunsBestMedianSince 5 Nov 2025
Standard (AW)372A62—
Good to Firm268A63—
Good1———
DistanceRunsBestMedianSince 5 Nov 2025
6f – 7f472A60—
1m – 1m1f282A75—

KTB Rating v1 · batch 3 Oct 2026 · GB & Irish racing only · 6 figures from 6 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 from 6 analysed runs since Aug 2024

  • Prominent 4 (67%) · 2 wins
  • Held up 2 (33%) · 0 wins

Pedigree intelligence

Sire

Progeny in our archive have won 9.7% of 3,665 runs since Jun 2020 (284 horses).

Strongest at trips under 6f (all codes): 12.9% from 621.

GoingRunsWinsSRvs sireThis horse
Firm12433.3%+23.6—
Good to Firm6517110.9%+1.20 from 2
Good817809.8%+0.11 from 1
Good to Soft302237.6%−2.1—
Soft3394011.8%+2.1—
Heavy90910%+0.3—
Standard (AW)1,4541278.7%−11 from 3
Distance (all codes)RunsWinsSRvs sireThis horse
Under 6f6218012.9%+3.2—
6f – 7f1,9071799.4%−0.31 from 4
1m – 1m1f687527.6%−2.11 from 2
1m2f – 1m4f3683910.6%+0.9—
1m5f – 2m6334.8%−4.9—
2m1f – 2m4f1815.6%−4.1—
2m5f – 3m100%−9.7—

Flat and jumps together (all codes) · since Jun 2020 · as at 5 Nov 2026 · rows under 30 runs muted · win % is the measure, a record not a forecast

Dam
Red Box (GB) (Exceed And Excel)

6 siblings in the archive, 5 winners — best of them Twilight Romance (GB) (3 wins).

The wins came over 5f–1m2f; the highest grade won is Class 3 (Twilight Romance (GB)).

Family form: Enamored (GB) finished 2nd of 9 at Chelmsford (AW), 2 Nov 2026.

ProduceRunsWinsWin tripsBest grade
Twilight Romance (GB)1436fClass 3
Start Me Up (GB)1026f–7fClass 3
Redemption Time (GB)1015fClass 3
Secret Box (GB)711m2fClass 4
Enamored (GB)516fClass 5
Infrared (GB)10——

Record by conditions

GoingRunsWinsSR£1
Standard (AW) 3 1 33% +1.50
Good to Firm 2 0 0% −2.00
Good 1 1 100% +4.50

ClassRunsWinsSR£1
Class 5 4 1 25% +0.50
Class 6 1 1 100% +4.50
Class 4 1 0 0% −1.00

CourseRunsWinsSR£1
Lingfield (AW) 2 1 50% +2.50
Doncaster 1 0 0% −1.00
Yarmouth 1 1 100% +4.50
Kempton (AW) 1 0 0% −1.00
Salisbury 1 0 0% −1.00

DistanceRunsWinsSR£1
6f – 7f 4 1 25% +0.50
1m – 1m1f 2 1 50% +3.50

JockeyRunsWinsSR£1
Luke Morris 4 1 25% +0.50
Dylan Hogan 1 1 100% +4.50
Jack Gilligan 1 0 0% −1.00

SeasonRunsWinsSR£1
2025 5 2 40% +5.00
2024 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 ORSpdKTB Jockey SP
2025 · 5 runs
25 Apr 25+20d Doncaster Download The At The Races App Handicap (Str) Class 5 · 1m · Good To Firm · 10 ran Sat behind the front group - drifted left approaching the furlong marker - lost momentum close home to finish fifth 5/10 1¾ 9-7 7085A68A Luke Morris 15/2
05 Apr 25+8d Yarmouth QuinnBet Extra Places Handicap Class 6 · 1m · Good · 12 ran Tracked up with pace early - urged into command with over 2f left before hitting the front - held on well inside the final furlong for the win 1/12 9-9 64102A82A Dylan Hogan 9/2
28 Mar 25+63d Lingfield (AW) Boost Your Acca At BetMGM Handicap Class 5 · 7f · Standard · 9 ran Settled just behind the pace on the outside - improved into second with 4f remaining - urged forward approaching the final 2f - powered clear close home to score 1/9 9-7 6083B72A Luke Morris 7/2
24 Jan 25+16d Lingfield (AW) Extra Winnings With BetUK Acca Club Restricted Novice Stakes (GBB Race) (Div 1) Class 5 · 6f · Standard · 8 ran Held up in rear - failed to threaten leading group - finished 7th 7/8 2¼ 8-9 —61C41C Luke Morris 20/1
08 Jan 25+146d Kempton (AW) Unibet/EBF Restricted Novice Stakes (GBB Race) Class 5 · 7f · Standard To Slow · 13 ran Tracked front group early - pushed along with 2f to go - stayed on at one gait through the final furlong - finished sixth 6/13 hd 8-7 —68B62A Luke Morris 18/1
2024 · 1 run
15 Aug 24 Salisbury Byerley Stud British EBF Restricted Maiden Fillies' Stakes (GBB Race) Class 4 · 7f · Good To Firm · 11 ran Held up at the back - urged forward 3f out and moved left approaching 2f out - unable to threaten front pair - stayed on to finish sixth 6/11 1¼ 9-2 —80B58A Jack Gilligan 5/1

Quick answers

How many races has Private Island won?
Private Island (GB) won 2 of 6 archived starts between 2024 and 2025, a strike rate of 33.3%. Placed 2 times in total (33.3% of starts).
Who trained Private Island?
Private Island (GB) was trained by Sir Mark Prescott Bt on the most recent run on record, at Doncaster on 25 April 2025.
Who is Private Island's sire?
Private Island (GB) is by Twilight Son (GB) out of Red Box (GB), whose sire is Exceed And Excel.
What going does Private Island prefer?
Private Island (GB) has the best record on standard (aw) going: 1 win from 3 starts (33.3%). Only going bands with at least three archived starts are read, so this is a direction rather than a settled preference.
What is Private Island's official rating?
The most recent official rating on record is 70, from the run on 25 April 2025. That is also the highest on record.
What is Private Island's sire's record?
Twilight Son (GB)'s progeny in our archive have won 9.7% of 3,665 runs since Jun 2020 (284 horses), Flat and jumps together. Strongest at trips under 6f (all codes): 12.9% from 621.
Who are Private Island's siblings?
Out of Red Box (GB), Private Island (GB) has 6 other produce in our archive, 5 of them winners. Most wins: Twilight Romance (GB) (3). Highest grade won: Class 3 (Twilight Romance (GB)). The wins came over 5f–1m2f. As at Nov 2026.

Record shown from August 2024. 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.