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Jockey profile

Jente Marien

145 rides in the last 5 seasons · 77 individual horses
As at 12 Nov 2026 · KTB archive: 2005–present, updated daily
Last ride 15 days ago 100% of rides on the flat
Last 5 seasons Lifetime (2015→)
from 1 Jan 2022
3–145
Wins / Runs
2.1%
Strike rate
n=145
17 (12%)
Placed
0.69
Fair A/E
n=145 · 0.57 incl. margin
−76.50
£1 level stake
n=145 at SP · −52.8%
£80,850
Prize money (window)
Strike by season
3.2%
KTB Rider Profile

Rides around 30 times a season, almost all on the flat, winning on 2% of them — a touch below the margin-free market read across five seasons (Fair A/E 0.69). Rides mostly for N Caullery — 66% of rides in the window.

Deterministic profile computed from 145 archived runs (last 5 seasons) · updated 12 Nov 2026
KTB at a glance N Caullery: 3.2% from 95
The read

N Caullery supplies 66% of the rides and matches the rider's average almost exactly (3.2%, A/E 0.89). The rider also reads well over 1m2f – 1m4f (9.1%, n=33) and off a 15-30-day break (6.1%, n=49). The market has consistently overbet the rider on Standard (AW) going: Fair A/E 0.00 across 76 rides (0% strike, −76.00 to a £1 stake) — runners there underperform what the price implies.

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

Riding patterns

the angles behind the record · vs 2.1% baseline
First ride on the horse · first captured pairing
0%−2.1
n=77 · A/E 0.00 · £1 −77.00
Last-time-out winners · previous run was a win
20%+17.9
n=5 · A/E 3.67 · £1 +18.00
Fresh horses · 61+ days off
0%−2.1
n=36 · A/E 0.00 · £1 −36.00
Claiming rides · riding with a claim
0%−2.1
n=43 · A/E 0.00 · £1 −43.00
Big fields · 14+ runners
2.6%+0.5
n=78 · A/E 1.02 · £1 −45.50

Each tile is the record in that situation vs the 2.1% baseline — descriptive splits with the sample always shown, for you to weigh. Tiles under 30 runs render muted. First rides are the first captured pairing of horse and rider; last-time-out winners are horses whose previous captured run was a win; claiming rides are runs where the rider carried a weight claim. Group / Graded covers pattern and listed races.

Notable angles

vs their own baseline
Over 1m2f – 1m4f 9.1% vs 2.1% · n=33
Off a 15-30-day break 6.1% vs 2.1% · n=49
On first rides for the horse 0% vs 2.1% · n=77
On Standard (AW) going 0% vs 2.1% · n=76
Over 1m – 1m1f 0% vs 2.1% · n=62
When claiming 0% vs 2.1% · n=43
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

Going

GoingRWSR£1
Standard (AW) 76 0 0% −76.00
Soft 27 1 3.7% −4.00
Good to Soft 22 1 4.5% −12.50
Good 11 1 9.1% +25.00
Heavy 9 0 0% −9.00

Courses

CourseRWSR£1
Chantilly (AW) 62 2 3.2% −3.00
Deauville (FR) 25 0 0% −25.00
Saint-Cloud (FR) 22 1 4.5% −12.50
Longchamp (FR) 11 0 0% −11.00
Dieppe (FR) 6 0 0% −6.00
Cagnes-Sur-Mer (FR) 6 0 0% −6.00
Le Croise-Laroche (FR) 3 0 0% −3.00
Clairefontaine (FR) 3 0 0% −3.00
Vittel (FR) 2 0 0% −2.00
Compiegne (FR) 2 0 0% −2.00
Fontainebleau (FR) 1 0 0% −1.00
Chateaubriant (FR) 1 0 0% −1.00
Le Mans (FR) 1 0 0% −1.00

Class

ClassRWSR£1
Class 3 11 0 0% −11.00
Class 4 4 0 0% −4.00

Market position

In the bettingRWSRA/E£1
2nd–3rd fav 5 0 0% 0.00 −5.00
4th–6th fav 13 1 7.7% 0.98 −3.50
7th+ in betting 127 2 1.6% 0.77 −68.00
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.

Horses ridden

same window as header · most-raced first
HorseRWPlLast ran
Purple Mood (FR) 15 1 4 29 Aug 26
D Day Man (FR) 8 0 1 26 Oct 26
Polnor (FR) 6 2 3 4 Sep 26
Loughcrew (FR) 5 0 1 25 Feb 26
Tollard Royal (IRE) 4 0 0 9 Jan 26
Dark Zel (FR) 4 0 1 20 Dec 24
Khyrilovitch (IRE) 3 0 0 13 Sep 26
Corypheene (FR) 3 0 0 24 Aug 26
Detesnouvelles (FR) 3 0 0 17 Apr 26
Kendaro (FR) 3 0 0 27 Feb 26
Sedition (GB) 3 0 0 5 Feb 26
Nota Bene (FR) 3 0 0 29 Jan 26
Showing the 60 most-raced of the 77 horses ridden 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.

By month

strike by month, 5 seasons
JFMAMJJASOND
0008290000000
A flat rider: the season runs Mar–Oct. Muted months are small samples (under 30 runs) — read them with the caution they deserve.

Riding for

same window · biggest samples first
Main yardN Caullery
66% of all rides
3.2% SR · A/E 0.89
TrainerRWSR£1
N Caullery 95 3 3.2% −26.50
Muted rows are under 30 rides and sit behind "Show all".

Career highlights

lifetime archive, 2015→
6
Archived wins
£136k
Prize money
2026
Best season · 2 wins
Makito (GB) — Prix de Putanges (Claimer) (2yo) (All-Weather Track) (Polytrack) Deauville (FR) · Oct 2019
£12,162
Polnor (FR) — Prix de l'Etang Neuf (Handicap) (Turf) Chantilly (FR) · May 2026
£8,783
Purple Mood (FR) — Prix des Forsythias (Handicap) (4yo) (Turf) Saint-Cloud (FR) · May 2025
£8,678
Notable horses
Polnor (FR) Purple Mood (FR) La Farfallina (GB) Miss Charlotte (IRE) Makito (GB)

Sires of the horses ridden

progeny record · win % by ground and trip
Sommerabend (GB) 6.7% · 1–15
Progeny have won 7.4% of 1,200 runs since 2018 (133 horses).
Kendargent (FR) 0% · 0–10
Progeny have won 9.6% of 5,255 runs since 2011 (580 horses). Weakest over 2m1f – 2m4f (all codes): 5.9% from 256.
Anodin (IRE) 0% · 0–8
Progeny have won 8.8% of 2,457 runs since 2018 (276 horses). Weakest over 2m1f – 2m4f (all codes): 3.4% from 116.
Cloth Of Stars (IRE) 0% · 0–7
Progeny have won 9.4% of 1,266 runs since 2022 (200 horses). Strongest over 2m1f – 2m4f (all codes): 12.6% from 191.
Zelzal (FR) 0% · 0–7
Progeny have won 9.5% of 1,751 runs since 2021 (242 horses). Strongest on Heavy going: 15.5% from 110.
Elarqam (GB) 33.3% · 2–6
Progeny have won 9.2% of 195 runs since 2024 (36 horses).
Top line: the rider'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 12 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 229 · newest first

The latest 50 of 229 archived rides, newest first. The full record runs from 12 July 2015 to 28 October 2026.

DateCourseHorseRaceFinishSP
28 Oct 26 Le Mans (FR) The Wasp (FR)T: A Sefiane Prix Du Conseil DepartementalClass 4 · 9.5f · Heavy · 15 ran 15th 16/1
26 Oct 26 Chantilly (FR) D Day Man (FR)T: N Caullery Prix De La Route Des BlanchisseursClass 3 · 8f · Standard · 12 ran 5th 18/1
09 Oct 26 Compiegne (FR) Kimbia (FR)T: N Caullery Prix Du Carrefour Du Fond PernantClass 3 · 7f · Very Soft · 15 ran 13th 40/1
09 Oct 26 Compiegne (FR) Kimbia (FR)T: N Caullery Prix Du Carrefour Du Fond PernantClass 3 · 7f · Very Soft · 15 ran 13th 40/1
17 Sep 26 Dieppe (FR) Grandala (FR)T: N Caullery Prix De Pau9f · Soft · 12 ran 5th 15/2
13 Sep 26 Longchamp (FR) Khyrilovitch (IRE)T: N Caullery Prix Du Passage Du Chemin Vert7f · Good To Soft · 15 ran 13th 80/1
13 Sep 26 Longchamp (FR) Al Paso (FR)T: N Caullery Prix Du Lac8f · Good To Soft · 16 ran 10th 33/1
09 Sep 26 Dieppe (FR) Grease (FR)T: D Windrif Prix De LannoyClass 4 · 12f · Soft · 14 ran 7th 12/1
04 Sep 26 Chantilly (FR) Polnor (FR)T: N Caullery Prix De VerderonneClass 3 · 9f · Soft · 13 ran 8th 16/1
31 Aug 26 Saint-Cloud (FR) Eastern Star (FR)T: N Caullery Prix de l'Avenue MarengoClass 3 · 12f · Heavy · 15 ran 8th 28/1
29 Aug 26 Clairefontaine (FR) Purple Mood (FR)T: N Caullery Prix du Public de la Ville de Deauville 2026 (Prix de Ricarville)Class 3 · 11f · Heavy · 8 ran 4th 12/1
24 Aug 26 Vittel (FR) Grease (FR)T: D Windrif Prix Rouge GazonClass 4 · 17f · Good To Soft · 9 ran 3rd 6/1
24 Aug 26 Vittel (FR) Corypheene (FR)T: N Caullery Prix Maria Lezynska8f · Good To Soft · 8 ran 7th 25/1
21 Aug 26 Clairefontaine (FR) Khyrilovitch (IRE)T: N Caullery Px Idac Interprofession Des Appellations Cidricoles (Prix D'Escoville)Class 3 · 7f · Very Soft · 12 ran 11th 66/1
16 Aug 26 Deauville (FR) Purple Mood (FR)T: N Caullery The Aga Khan Studs Prix De GlanvilleClass 3 · 10f · Good To Soft · 15 ran 10th 16/1
14 Aug 26 Clairefontaine (FR) Autumn Twilight (IRE)T: N Caullery Prix Eqwin (Prix De Brucourt)Class 3 · 8f · Good To Soft · 14 ran 14th 33/1
21 Jul 26 Chateaubriant (FR) Speedy Angel (GB)T: D Retif Prix De PornichetClass 4 · 13f · Soft · 15 ran 10th 40/1
18 Jul 26 Dieppe (FR) Polnor (FR)T: N Caullery Prix Du Puits D'orleansClass 3 · 9f · Soft · 14 ran 2nd 15/2
18 Jul 26 Dieppe (FR) Tout Sauf Petite (GB)T: A West Prix De La Ville Aux Quatre Ports Maiden Stakes5.5f · Soft · 13 ran 12th 80/1
14 Jul 26 Longchamp (FR) Purple Mood (FR)T: N Caullery Prix Du DefileClass 3 · 10f · Good To Soft · 9 ran 3rd 16/1

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 Jente Marien's strike rate?
Jente Marien has won 3 of 145 rides since 2022, a strike rate of 2.1% (as at 12 November 2026). Figures are computed from our own results archive.
Which course does Jente Marien do best at?
Chantilly (AW) by strike rate: 2 wins from 62 rides (3.2%) since 2022. Read from the 15 courses with the most rides 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.
Which yard does Jente Marien ride most for?
N Caullery, with 95 rides since 2022 — 66% of the total. That pairing has won 3 (3.2%).
What is Jente Marien's Fair A/E?
0.69, from 145 rides with a computed fair probability since 2022. 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 12 November 2026, computed from our own results archive (2005 onwards; aggregates from 2008).