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Horse profile

Sejo (IRE)

3yo colt (at last run, Jul 2018) · Last trainer C Laffon-Parias · Last owner Mme Georgiana Cabrero
by Nathaniel (IRE) out of Amarysia (FR) (Medicean)
6 runs · 4 courses · from Dec 2017
As at 22 Oct 2026 · KTB archive: GB, Ireland & France · 2005–present, updated daily
No run recorded since 14 Jul 2018 — 3,021 days ago. Our archive can't say whether the horse is still in training.
Last run Jul 2018 · 1st of 15 Won last time out 2 wins · Longchamp (FR)
KTB Profile

Sejo (IRE) is 2 from 6. Won last time out at Longchamp (FR).

Based on 6 archived runs · updated 22 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

Progeny in our archive have won 11.6% of 7,066 runs since Jan 2008 (634 horses).

Weakest over 6f – 7f (all codes): 6.2% from 324.

GoingRunsWinsSRvs sireThis horse
Firm21419%+7.4—
Good to Firm78410213%+1.4—
Good1,86623212.4%+0.81 from 1
Good to Soft1,00311411.4%−0.21 from 1
Soft1,22614111.5%−0.10 from 1
Heavy4054711.6%00 from 1
Standard (AW)1,75918310.4%−1.20 from 2
Distance (all codes)RunsWinsSRvs sireThis horse
Under 6f400%−11.6—
6f – 7f324206.2%−5.4—
1m – 1m1f877788.9%−2.70 from 2
1m2f – 1m4f2,49833313.3%+1.72 from 4
1m5f – 2m2,13825211.8%+0.2—
2m1f – 2m4f8199111.1%−0.5—
2m5f – 3m337329.5%−2.1—
Over 3m691724.6%+13—

Flat and jumps together (all codes) · since Jan 2008 · as at 22 Oct 2026 · rows under 30 runs muted · win % is the measure, a record not a forecast

Dam
Amarysia (FR) (Medicean)

4 siblings in the archive, 3 winners — best of them Roaring Legend (FR) (7 wins).

The wins came over 1m–2m½f; the highest grade won is Listed (Amazonie (GB)).

ProduceRunsWinsWin tripsBest grade
Roaring Legend (FR)3571m4f–2m½fClass 2
Midnight Train (GB)1521m–1m2fClass 5
Amazonie (GB)521m1f–1m1½fListed
Grecian Sunrise (GB)10——

Record by conditions

GoingRunsWinsSR£1
Standard (AW) 2 0 0% −2.00
Good 1 1 100% +4.50
Good to Soft 1 1 100% +3.00
Soft 1 0 0% −1.00
Heavy 1 0 0% −1.00

CourseRunsWinsSR£1
Longchamp (FR) 2 2 100% +7.50
Chantilly (FR) 2 0 0% −2.00
Saint-Cloud (FR) 1 0 0% −1.00
Deauville (FR) 1 0 0% −1.00

DistanceRunsWinsSR£1
1m2f – 1m4f 4 2 50% +5.50
1m – 1m1f 2 0 0% −2.00

JockeyRunsWinsSR£1
Olivier Peslier 5 2 40% +4.50
Tony Piccone 1 0 0% −1.00

SeasonRunsWinsSR£1
2018 5 2 40% +4.50
2017 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
14 Jul 18+51d Longchamp (FR) Longines Handicap de la Fete Nationale (3yo) (Turf) 10f · Good · 15 ran 1/15 9-5 Olivier Peslier 9/2
24 May 18+23d Longchamp (FR) Prix des Epinettes (Handicap) (3yo) (Turf) 10.5f · Good To Soft · 16 ran 1/16 8-11 Olivier Peslier 3/1F
01 May 18+28d Saint-Cloud (FR) Prix de Beaumesnil (Handicap) (3yo) (Turf) 10.5f · Soft · 16 ran 8/16 nk 8-11 Olivier Peslier 56/10
03 Apr 18+21d Chantilly (FR) Prix du Pont du Roi (Maiden) (3yo Colts & Geldings) (Turf) 10f · Heavy · 8 ran 3/8 1 9-2 Olivier Peslier 31/10
13 Mar 18+87d Chantilly (FR) Prix Tandem (Maiden) (3yo Colts & Geldings) (Polytrack) 9f · Standard · 7 ran 4/7 2 9-2 Tony Piccone 59/10
16 Dec 17 Deauville (FR) Prix du Grand Chesnaie (Maiden) (Unraced 2yo Colts & Geldings) (Polytrack) 9.5f · Standard · 14 ran 3/14 3½ 9-2 Olivier Peslier 9/2

Quick answers

How many races has Sejo (IRE) won?
Sejo (IRE) won 2 of 6 archived starts between 2017 and 2018, a strike rate of 33.3%. Placed 4 times in total (66.7% of starts).
Who trained Sejo (IRE)?
Sejo (IRE) was trained by C Laffon-Parias on the most recent run on record, at Longchamp (FR) on 14 July 2018.
Who is Sejo (IRE)'s sire?
Sejo (IRE) is by Nathaniel (IRE) out of Amarysia (FR), whose sire is Medicean.
What is Sejo (IRE)'s sire's record?
Nathaniel (IRE)'s progeny in our archive have won 11.6% of 7,066 runs since Jan 2008 (634 horses), Flat and jumps together. Weakest over 6f – 7f (all codes): 6.2% from 324.
Who are Sejo (IRE)'s siblings?
Out of Amarysia (FR), Sejo (IRE) has 4 other produce in our archive, 3 of them winners. Most wins: Roaring Legend (FR) (7). Highest grade won: Listed (Amazonie (GB)). The wins came over 1m–2m½f. As at Oct 2026.

Record shown from December 2017. 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.