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Horse profile

Lady Margo (IRE)

2yo filly · Trainer John & Thady Gosden · Owner Tactful Finance S Roden
by Sioux Nation (USA) out of Oh Sedulous (IRE) (Lawman)
1 run · 1 course · from Oct 2026
As at 7 Nov 2026 · KTB archive: GB, Ireland & France · 2005–present, updated daily
Last run 28 Oct 2026 · 4th of 9
KTB Profile

Lightly raced 2yo filly with 1 start since Oct 2026. Finished 4 of 9 at Kempton (AW) last time. By Sioux Nation (USA), whose progeny in our archive have won 12.3% of 2,912 runs since Mar 2022.

Based on 1 archived run · run-style from 1 commented run since Oct 2026 · updated 7 Nov 2026

KTB Speed and Rating

KTB Speed

Best recent Speed 55 the best of the last 1 graded (A or B) run · Kempton (AW), 28 Oct 2026

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 5 Nov 2026 · a record, not a forecast

KTB Rating

Best recent KTB Rating 61C the best of the last 1 rated run · Kempton (AW), 28 Oct 2026

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 5 Nov 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.

Pedigree intelligence

Sire

Progeny in our archive have won 12.3% of 2,912 runs since Mar 2022 (362 horses).

Strongest on good to firm going: 17.2% from 425. Strongest at trips under 6f (all codes): 16.2% from 580. Weakest over 1m2f – 1m4f (all codes): 4.7% from 190.

GoingRunsWinsSRvs sireThis horse
Firm400%−12.3—
Good to Firm4257317.2%+4.9—
Good7387810.6%−1.7—
Good to Soft2933110.6%−1.7—
Soft3914912.5%+0.2—
Heavy1131412.4%+0.1—
Standard (AW)94811412%−0.30 from 1
Distance (all codes)RunsWinsSRvs sireThis horse
Under 6f5809416.2%+3.9—
6f – 7f1,59120212.7%+0.4—
1m – 1m1f534539.9%−2.40 from 1
1m2f – 1m4f19094.7%−7.6—
1m5f – 2m1100%−12.3—
2m1f – 2m4f6116.7%+4.4—

Flat and jumps together (all codes) · since Mar 2022 · as at 7 Nov 2026 · rows under 30 runs muted · win % is the measure, a record not a forecast

Dam
Oh Sedulous (IRE) (Lawman)

7 siblings in the archive, 4 winners — best of them Ship Of Dreams (IRE) (2 wins).

The wins came over 6f–1m5½f; the highest grade won is Listed (Ship Of Dreams (IRE)).

ProduceRunsWinsWin tripsBest grade
Ship Of Dreams (IRE)1427f–1m½fListed
Canon Law (IRE)1321m4f–1m5½f—
Shiny One (IRE)416f—
Nibras Bounty (IRE)616fClass 4
De Vega's Warrior (IRE)330——
Balnarring Beach (IRE)10——
Uluwatu (IRE)30——

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

Form

DateCourseRace PosBtn Wgt SpdKTB Jockey SP
2026 · 1 run
28 Oct 26 Kempton (AW) Try Unibet's New Improved Acca Boosts Fillies' Restricted Novice Stakes (For Horses In Bands B, C And D) (GBB/GBBPlus Race) Class 4 · 1m · Standard / Slow · 9 ran Missed the break - settled in the pack - moved left over 2f out - gained ground over 1f out and stayed on inside the final furlong - snatched fourth near the line 4/9 nk 9-2 55A61C Oisin Murphy 2/1

Quick answers

How many races has Lady Margo won?
Lady Margo (IRE) has yet to win, from 1 archived start in 2026.
Who trains Lady Margo?
Lady Margo (IRE) is trained by John & Thady Gosden, who saddled the horse on its most recent run on 28 October 2026.
Who is Lady Margo's sire?
Lady Margo (IRE) is by Sioux Nation (USA) out of Oh Sedulous (IRE), whose sire is Lawman.
What is Lady Margo's sire's record?
Sioux Nation (USA)'s progeny in our archive have won 12.3% of 2,912 runs since Mar 2022 (362 horses), Flat and jumps together. Strongest on good to firm going: 17.2% from 425. Strongest at trips under 6f (all codes): 16.2% from 580. Weakest over 1m2f – 1m4f (all codes): 4.7% from 190.
Who are Lady Margo's siblings?
Out of Oh Sedulous (IRE), Lady Margo (IRE) has 7 other produce in our archive, 4 of them winners. Most wins: Ship Of Dreams (IRE) (2). Highest grade won: Listed (Ship Of Dreams (IRE)). The wins came over 6f–1m5½f. As at Nov 2026.

Record shown from October 2026. 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.