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Trainer profile

J-D Marion

336 runners in the lifetime window · 121 individual horses
As at 4 Nov 2026 · KTB archive: 2005–present, updated daily
Last runner 6 days ago
Last 5 seasons Lifetime (2010→)
from 1 Jan 2008 — the aggregate floor: every horse in the window has a complete captured career behind it
22–336
Wins / Runs
6.5%
Strike rate
n=336
65 (19%)
Placed
0.76
Fair A/E
n=305 · 0.82 incl. margin
−143.10
£1 level stake
n=317 at SP · −45.1%
£777k
Prize money (window)
Strike by season
5.6%
KTB Yard Profile

Sends out around 20 runners a season, winning with 7% of them — a touch below the margin-free market read across the lifetime window (Fair A/E 0.76). The edge shows sharpest with horses returning fresh: 9% off breaks of two months or more (134 runs).

Deterministic profile computed from 336 archived runs (lifetime window) · updated 4 Nov 2026
KTB at a glance Fires Oct–Nov Fresh horses: 9%
The read

It is weakest at Auteuil (FR) (3.3% over 183 runners) — the largest sample in the record, and the widest gap. A horse in first-time headgear has been a poor signal at 2.3% (n=43, Fair A/E 0.52). The yard also reads well off a 61-180-day break (11.7%, n=60). The record reads poorly off a 31-60-day break — 0% over 33 runners, 6.5pts below the baseline. 2 Group and Graded wins sit in the archive record — the biggest prize the yard has landed: the Prix Violon II at Auteuil (FR) (Sep 2013, £40,244). Seasonally, the yard fires Oct–Nov.

Written from the figures on this page — every claim carries its sample. Descriptive, not a tip.

Yard patterns

the angles behind the record · vs 6.5% baseline
Fresh · 61+ days off
9%+2.5
n=134 · A/E 0.97 · £1 −29.10
New recruits · first run for the yard
5.5%−1.0
n=55 · A/E 0.52 · £1 −36.30
Debutants · first career start
5.9%−0.6
n=68 · A/E 0.72 · £1 −50.20
First-time headgear · true-first definition
2.3%−4.2
n=43 · A/E 0.52 · £1 −30.80
Headgear returns · back on after a bare run
10%+3.5
n=10 · A/E 1.58 · £1 +1.10
When favourite
42.9%
n=14 · A/E 0.52 · £1 +15.30
Claiming riders · a claimer in the saddle
2.8%−3.7
n=71 · A/E 0.24 · £1 −57.10
Group / Graded races · pattern & listed
5.6%−0.9
n=36 · A/E 1.30 · £1 −3.60

Each tile is the record in that situation vs the 6.5% baseline — descriptive splits with the sample always shown, for you to weigh. Tiles under 30 runs render muted. Headgear figures use the true-first definition (first gear appearance in the captured career); returns are gear back on after a bare run. Claiming riders are runs where the booked rider carried a weight claim. Group / Graded covers pattern and listed races. The same beliefs, tested across every yard and every GB and Irish race since 2005: Racing myths.

Notable angles

vs their own baseline
Off a 31-60-day break 0% vs 6.5% · n=33
Off a 61-180-day break 11.7% vs 6.5% · n=60
At Auteuil (FR) 3.3% vs 6.5% · n=183
With first-time headgear 2.3% vs 6.5% · n=43
With horses switching code 2.3% vs 6.5% · n=43
With claiming riders up 2.8% vs 6.5% · n=71
Descriptive splits ranked by divergence × sample — insight, not instruction. Every angle carries its N; nothing under 30 runs qualifies. Rows within 2pts of the baseline appear only when the market-relative read (Fair A/E) diverges, and show it.

Record by conditions

same window as header

Race type

TypeRWSR£1
Hurdle 145 9 6.2% −92.10
Chase 124 8 6.5% −33.30
Flat 67 5 7.5% −17.70

Going

GoingRWSR£1
Soft 170 8 4.7% −82.00
Heavy 96 6 6.3% −44.20
Good 29 5 17.2% −8.60
Good to Soft 25 2 8% −5.40
Standard (AW) 12 1 8.3% −1.90

Courses

CourseRWSR£1
Auteuil (FR) 183 6 3.3% −93.90
Compiegne (FR) 20 1 5% −16.10
Saint-Cloud (FR) 19 0 0% −19.00
Enghien (FR) 13 3 23.1% +1.80
Longchamp (FR) 10 1 10% −0.80
Nantes 9 0 0% −9.00
Clairefontaine (FR) 8 1 12.5% −2.50
Maisons-Laffitte (FR) 8 1 12.5% +3.00
Chantilly (FR) 7 0 0% −7.00
Deauville (FR) 6 1 16.7% +4.10
La Roche-Posay 5 3 60% +13.30
Avignon 4 2 50% +7.40
Senonnes-Pouance (FR) 4 0 0% −4.00
Dieppe (FR) 4 0 0% −4.00
Machecoul 4 0 0% —

Class

ClassRWSR£1
Class 1 36 2 5.6% −3.60
Class 3 1 0 0% −1.00
Class 4 1 0 0% −1.00

Market position

In the bettingRWSRA/E£1
Favourite 16 7 43.8% 0.79 +16.20
2nd–3rd fav 37 4 10.8% 0.66 −18.30
4th–6th fav 74 6 8.1% 1.09 −12.80
7th+ in betting 190 3 1.6% 0.52 −128.20
Fair A/E per band is the tell: near 1.00 the market had it priced right; well above, the wins came where the market didn't expect them.

Rows below n=30 are shown faded — a small sample is a fact, not a trend. Every figure carries its N.

Jumping record

completion over obstacles · same window as header
80.3% completed · 269 obstacle runners (chases & hurdles)
CodeRCompFURPUBDOth
Chase 124 77.4% 10 2 16 0 0
Hurdle 145 82.8% 8 0 16 0 1
Chases and hurdles only — bumpers have no obstacles, so completion is not a question there. F fell · UR unseated rider · PU pulled up · BD brought down · Oth covers refusals, slip-ups, run-outs and the rare disqualification. Non-runners are excluded throughout. Rows under n=30 are shown faded. A descriptive record, not a tip.

Horses trained

same window as header · most-raced first
HorseRWPlLast ran
Roi D'Oudalle (FR) 25 1 5 1 Jun 24
Sundahia (FR) 18 2 2 27 Sep 14
Orange Run (IRE)from A Chaille-Chaille 15 1 4 13 Apr 17
Aston D'enocq (FR) 11 1 2 29 Oct 26
Mambosun (FR) 11 0 2 15 Oct 22
Panis Moon (FR) 11 1 4 7 Oct 20
Walimix (FR)from O Potier 10 1 3 14 Jul 15
Imperatrice Bleue (FR) 10 0 2 5 Oct 12
Loch Dancer (FR)from A Lyon 9 1 4 30 Oct 11
El Tango Bello (FR) 6 1 1 28 Apr 22
Frosty Lake (FR)from G Cherel 6 2 2 29 Jul 21
Van Gogh Du Granit (FR)then David Pipe 6 1 1 28 Dec 18
Showing the 60 most-raced of the 121 horses sent out in this window — each ran at least 1 time. Horses with fewer runs aren't listed; search finds any horse since 2005. Runs, wins and places only: a strike rate or a return on a handful of runs is noise, so none is quoted per horse — each horse's full record is on its own page.
Where they came from · where they went next

Of the 60 horses listed, 26 arrived from another yard in our archive, most often from A Chaille-Chaille (2) and G Cherel (2); 34 had their first archived run for this yard.

6 have since run for another yard; 54 have no later run for another yard in our archive.

Read from each listed horse's whole archived career (2005 onwards), not only this window, and counted over the horses listed above, not the whole string. “First archived run” means our archive holds nothing earlier, not that the horse was unraced. A horse with no later run elsewhere may still be here, be off the track, or have run somewhere our archive does not cover — none of that is asserted.

Current form

significance-gated

Last 14 days

Small sample
0 from 2
Only 2 runners in the last 14 days — too few to read against the baseline (gate: n≥15). The card states the sample and stays neutral.

When the yard fires

strike by month, lifetime
JFMAMJJASOND
008534131779100
A jumps yard: the season runs Oct–Apr. Muted months are small samples (under 30 runs) — read them with the caution they deserve.

Jockey bookings

same window · biggest samples first
Go-to riderKevin Nabet
13% of all rides
9.5% SR · A/E 0.85
RiderRWSR£1
Kevin Nabet 42 4 9.5% −1.20
Muted rows are under 30 rides and sit behind "Show all".

Career highlights

lifetime archive, 2010→
22
Archived wins
2
Pattern / graded wins
£777k
Prize money
2016
Best season · 4 wins
Sundahia (FR) — Prix Violon II (Chase) (Listed Handicap) (5yo+) (Turf) Auteuil (FR) · Sep 2013 · Listed
£40,244
Sundahia (FR) — Prix Saint-Sauveur (Chase) (Listed Handicap) (5yo+) (Turf) Auteuil (FR) · May 2013 · Listed
£37,073
Black Kit (FR) — Prix d'Angers (Hurdle) (Conditions) (5yo+) (Turf) Auteuil (FR) · Sep 2015
£20,465
Notable horses
Sundahia (FR) Frosty Lake (FR) Spanish Du Breteau (FR) Nanette (FR) Roi D'Oudalle (FR) Orange Run (IRE)

Sires in the string

progeny record · win % by ground and trip
Linda's Lad (GB) 3.8% · 1–26
Progeny have won 8.2% of 1,323 runs since 2012 (186 horses). Strongest over 2m5f – 3m (all codes): 11.6% from 215.
Spanish Moon (USA) 16.7% · 3–18
Progeny have won 12.4% of 1,675 runs since 2014 (219 horses). Strongest on Good going: 16.8% from 393. Weakest over 2m5f – 3m (all codes): 7.9% from 278.
Sunshack (GB) 11.1% · 2–18
Progeny have won 6.7% of 104 runs since 2008 (26 horses).
Hurricane Run (IRE) 6.7% · 1–15
Progeny have won 10.9% of 3,152 runs since 2010 (273 horses). Weakest over 2m5f – 3m (all codes): 4.8% from 104.
Martinborough (JPN) 9.1% · 1–11
Progeny have won 12% of 661 runs since 2020 (79 horses). Strongest over 2m1f – 2m4f (all codes): 16.3% from 160.
Masterstroke (USA) 0% · 0–11
Progeny have won 9.9% of 841 runs since 2017 (138 horses). Weakest on Heavy going: 6% from 200.
Top line: the yard's own record with each sire's runners (win %, wins–runs), same window as the header; faded under 30 runs. Beneath it: every run by that sire's progeny in our archive since 2008, as at 4 Nov 2026 — what they have done, not a forecast. A going or a distance is named only where at least 100 progeny runs sit 3 or more points from the sire's own win rate. Distance bands cover Flat and jumps together.

The record

latest 50 of 336 · newest first

The latest 50 of 336 archived runners, newest first. The full record runs from 3 September 2010 to 29 October 2026.

DateCourseHorseRaceFinishSP
29 Oct 26 Fontainebleau (FR) Aston D'enocq (FR)J: Yvan Delepine Prix De La Route Des 2 Soeurs (chmpt Paris Turf Des App. & J. Jock.)17.5f · Soft · 10 ran 7th 17/2
22 Oct 26 Les Sables-d'Olonne (FR) Frankirco (FR)J: Mme Margot Romary Prix Claude Rouget13.5f · Very Soft · 16 ran 10th 20/1
14 Oct 26 Nantes (FR) Aston D'enocq (FR)J: Axel Lepage Prix Des Societaires19.5f · Heavy · 11 ran 4th 16/1
28 Sep 26 Craon (FR) Night In Blou (FR)J: Julien Guillochon Prix Haras De La Haie Neuve (Prix Onde Amere)15f · Very Soft · 14 ran 13th 25/1
19 Sep 26 Senonnes-Pouance (FR) Aston D'enocq (FR)J: Mathis Zuliani Px Anjou Bleu Communaute-la Verzee (Chmpt Paris Turf Des App. & Jj.)18f · Good · 9 ran 8th 4/1
19 Sep 26 Senonnes-Pouance (FR) Reve De La Mone (FR)J: Esteban Metivier Prix Ici Mayenne (Prix Rene Couetil)Class 4 · 23.5f · Good · 10 ran UR 14/1
08 Sep 26 Auteuil (FR) Aston D'enocq (FR)J: Lucas Zuliani Prix Fortifications18f · Very Soft · 15 ran 9th 12/1
28 Aug 26 Saint-Malo (FR) Stormy Floo (FR)J: Esteban Metivier Prix Mahe De La Bourdonnais (Prix Carcaradec)19.5f · Good To Soft · 7 ran 6th 18/1
17 Aug 26 Clairefontaine (FR) Aston D'enocq (FR)J: Lucas Zuliani Prix Des Centres Restos Du Calvados (Prix De Ranville)18f · Soft · 15 ran 5th 12/1
31 Jul 26 Senonnes-Pouance (FR) Monday D'aunou (FR)J: Julien Guillochon Prix Du Groupe Pigeon (Prix Des Andegaves)15f · Good To Soft · 10 ran 10th 33/1
31 Jul 26 Senonnes-Pouance (FR) Mining Tin (FR)J: Axel Lepage Prix Super U Pouance (px De Pouance)Class 3 · 18f · Good To Soft · 8 ran 6th 14/1
27 Jul 26 Clairefontaine (FR) Aston D'enocq (FR)J: Lucas Zuliani Kungs This Girl - Prix Des Lavateres (b)19.5f · Very Soft · 11 ran 1st 9/2
17 Jul 26 Dieppe (FR) Stormy Floo (FR)J: Esteban Metivier Prix De L'Hippodrome De Pardubice19f · Soft · 8 ran 6th 22/1
17 Jul 26 Dieppe (FR) Mining Tin (FR)J: Esteban Metivier Prix Jean De La Sayette19f · Soft · 7 ran 3rd 25/1
06 May 26 Auteuil (FR) Max Sourniac (FR)J: Theo Dumouch Prix Maguelonne (Claiming Chase) (Turf)18f · Heavy · 8 ran PU 23/1
25 Apr 26 Auteuil (FR) Aston D'Enocq (FR)J: Medy Duchene Prix Roger Duchene - Grand Prix des Jeunes Jockeys (Handicap Hurdle) (Turf)18f · Very Soft · 18 ran F 14/1
02 Apr 26 Auteuil (FR) Aston D'Enocq (FR)J: Medy Duchene Prix Guillaume Javoy (Chmpt des Apprentis & Jeunes Jockeys) (Handicap Hurdle) (Turf)18f · Soft · 18 ran 3rd 51/1
11 Mar 26 Compiegne (FR) Aston D'Enocq (FR)J: Damien Thomas Prix Rabastens (Claiming Hurdle) (Turf)19f · Heavy · 12 ran PU 35/1
15 Nov 25 Auteuil (FR) Reve De La Mone (FR)J: Yvan Delepine Prix Oeneas (Hurdle) (Conditions) (4yo) (Turf)18f · Heavy · 12 ran PU 146/1
29 Oct 25 Auteuil (FR) Aston D'Enocq (FR)J: Adrien Blais Prix Marly River (Hurdle) (Claimer) (5yo+) (Apprentice & Young Jockeys) (Turf)18f · Heavy · 13 ran 6th 10/1

Drawn from the whole archive (2005 onwards), so it can include runs outside the window the header statistics cover. Non-runners are not listed. A finish shown in letters is a non-completion (F fell · UR unseated · PU pulled up · BD brought down).

Quick answers

What is J-D Marion's strike rate?
J-D Marion has won 22 of 336 runners since 2008, a strike rate of 6.5% (as at 4 November 2026). Figures are computed from our own results archive.
Which course does J-D Marion do best at?
Auteuil (FR) by strike rate: 6 wins from 183 runners (3.3%) since 2008. Read from the 15 courses with the most runners on the same basis, and only those with at least 30 — a small sample cannot top the list, and a rarely-visited course is not in the comparison.
Is J-D Marion in form?
Too few runners in the last 14 days to read — 2 runners, which is not a sample we will draw a conclusion from.
What is J-D Marion's Fair A/E?
0.76, from 305 runners with a computed fair probability since 2008. Fair A/E compares actual wins with a margin-stripped market expectation, so 1.00 is par: above it the wins came at bigger prices than the margin-free market implied, below it they did not.
Fair A/E compares wins with a margin-stripped market expectation. Favourite-heavy samples — top yards, leading riders — naturally read a few points warm, so 1.05 means "beat the margin-free market read", not "the market underrates this by 5%". Three sample sizes are reported and never blended: runs (n), the ROI basis (n at SP), and the fair-A/E basis (n with a computed fair probability).

Strike rate is wins over all runs (n). ROI is £1 level stakes at SP over runs with a parseable price (n at SP). Fair A/E is wins over margin-stripped market expectation, over runs with a computed fair probability (n fair). The three Ns can legitimately differ and are always shown. Figures as at 4 November 2026, computed from our own results archive (2005 onwards; aggregates from 2008).