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Jockey profile

Sylvain Dupuis

257 rides in the lifetime window · 131 individual horses
As at 6 Nov 2026 · KTB archive: 2005–present, updated daily
Last ride Apr 2014 99% of rides over jumps
No rides in the last 5 seasons — showing the lifetime record, from 1 Jan 2008 — the aggregate floor: every horse in the window has a complete captured career behind it.
20–257
Wins / Runs
7.8%
Strike rate
n=257
52 (20%)
Placed
0.60
n=224 · 0.50 incl. margin
−52.00
£1 level stake
n=228 at SP · −22.8%
£1.01m
Prize money (window)
Strike by season
0%
KTB Rider Profile

Rode around 40 times a season, almost all over hurdles and fences, winning on 8% of them — a touch below the margin-free market read across the lifetime window (Fair A/E 0.60). The edge shows sharpest with horses returning fresh: 10% off breaks of two months or more (63 runs). Rode mostly for F Belmont — 44% of rides in the window.

Deterministic profile computed from 257 archived runs (lifetime window) · updated 6 Nov 2026
KTB at a glance Fresh horses: 9.5% F Belmont: 13.4% from 112
The read

It is weakest at Enghien (FR) (3.7% over 82 rides) — the widest gap in the record. Rides in big fields of 14 or more have been a poor signal at 4.1% (n=97, Fair A/E 0.79). The market has consistently overbet first rides on a horse: 6.9% strike, Fair A/E 0.58 and −51.60 to a £1 stake over 131 rides — those runners underperformed what the price implied. F Belmont supplied 44% of the rides and beats the rider's average (13.4% vs 7.8%, A/E 0.67). The record read poorly over 1m5f – 2m — 0% over 37 rides, 7.8pts below the baseline. 3 Group and Graded wins sit in the archive record — the biggest prize the rider has landed: the Prix Gaston Branere at Auteuil (FR) (Apr 2011, £36,853).

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

Riding patterns

the angles behind the record · vs 7.8% baseline
First ride on the horse · first captured pairing
6.9%−0.9
n=131 · A/E 0.58 · £1 −51.60
Last-time-out winners · previous run was a win
20%+12.2
n=20 · A/E 0.96 · £1 −0.30
Fresh horses · 61+ days off
9.5%+1.7
n=63 · A/E 1.13 · £1 −18.50
When favourite
0%
n=10 · A/E 0.00 · £1 −10.00
Big fields · 14+ runners
4.1%−3.7
n=97 · A/E 0.79 · £1 +13.60
Group / Graded races · pattern & listed
7.5%−0.3
n=40 · A/E 0.51 · £1 +15.00

Each tile is the record in that situation vs the 7.8% 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 1m5f – 2m 0% vs 7.8% · n=37
With F Belmont 13.4% vs 7.8% · n=112
With T Trapenard 2.9% vs 7.8% · n=105
With debutants 12.8% vs 7.8% · n=47
Off a 31-60-day break 2.6% vs 7.8% · n=39
At Enghien (FR) 3.7% vs 7.8% · n=82
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 188 16 8.5% −23.00
Chase 66 4 6.1% −26.00
Flat 3 0 0% −3.00

Going

GoingRWSR£1
Soft 159 14 8.8% −33.00
Heavy 95 6 6.3% −16.00
Good to Soft 2 0 0% −2.00
Good 1 0 0% −1.00

Courses

CourseRWSR£1
Auteuil (FR) 171 16 9.4% −9.10
Enghien (FR) 82 3 3.7% −39.90
Lyon Parilly 1 0 0% −1.00
Vichy 1 0 0% −1.00
Clairefontaine 1 0 0% −1.00
Compiegne 1 1 100% —

Class

ClassRWSR£1
Class 1 40 3 7.5% +15.00

Market position

In the bettingRWSRA/E£1
Favourite 11 0 0% 0.00 −11.00
2nd–3rd fav 37 3 8.1% 0.56 −21.70
4th–6th fav 58 1 1.7% 0.25 −49.30
7th+ in betting 122 5 4.1% 1.49 +30.00
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.

Jumping record

completion over obstacles · same window as header
72.8% completed · 254 obstacle rides (chases & hurdles)
CodeRCompFURPUBDOth
Chase 66 77.3% 7 0 6 0 2
Hurdle 188 71.3% 7 0 37 0 10
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 ridden

same window as header · most-raced first
HorseRWPlLast ran
Tarago (FR) 14 0 3 9 Apr 14
Mister Grez (FR) 10 0 3 21 Feb 12
Sunny Vic (FR) 9 1 4 18 Jun 12
Mister Snowball (FR) 8 1 2 15 Oct 11
L'Astina (FR) 7 1 1 15 Oct 11
Laviroi (FR) 5 1 3 24 May 12
Font Froide (FR) 5 2 2 28 Nov 10
Springer (FR) 5 2 2 29 Apr 10
Popova (FR) 5 2 2 15 Apr 09
Tiji Boy (FR) 4 0 1 21 Jun 12
Une De Sivola (FR) 4 1 1 2 Dec 11
La Neyev (FR) 4 0 2 13 May 11
Showing the 60 most-raced of the 131 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, lifetime
JFMAMJJASOND
·014870·0181120
A jumps rider: the season runs Oct–Apr. Muted months are small samples (under 30 runs) — read them with the caution they deserve.

Riding for

same window · biggest samples first
Main yardF Belmont
44% of all rides
13.4% SR · A/E 0.67
TrainerRWSR£1
F Belmont 112 15 13.4% −2.40
T Trapenard 105 3 2.9% −55.60
Muted rows are under 30 rides and sit behind "Show all".

Career highlights

lifetime archive, 2005→
26
Archived wins
3
Pattern / graded wins
£1.29m
Prize money
2008
Best season · 6 wins
In our archive from its very first year (2005), so this career almost certainly began earlier than our record does. The figures above count 2005 onwards only — what the archive holds, not a full-career total. This card is the full archive census (2005→); the statistics in the header aggregate from 2008 — the floor that guarantees every horse a complete captured career — so this card can legitimately show more wins than the header.
Mister Snowball (FR) — Prix Gaston Branere (Hurdle) (Listed Handicap) (4yo) (Turf) Auteuil (FR) · Apr 2011 · Listed
£36,853
Popova (FR) — Prix Francois de Ganay (Hurdle) (Handicap) Auteuil (FR) · Nov 2008
£29,779
Font Froide (FR) — Prix Achille-Fould (Hurdle) () (Unraced) Auteuil (FR) · Sep 2009 · Listed
£27,029

Sires of the horses ridden

progeny record · win % by ground and trip
Assessor (IRE) 5% · 1–20
Progeny have won 9.3% of 952 runs since 2008 (106 horses). Weakest on Good going: 4.9% from 143.
Great Pretender (IRE) 0% · 0–17
Progeny have won 13.1% of 3,551 runs since 2010 (410 horses). Strongest over 1m5f – 2m (all codes): 16.5% from 728. Weakest over 1m2f – 1m4f (all codes): 6.6% from 151.
Robin Des Champs (FR) 6.7% · 1–15
Progeny have won 13.3% of 4,007 runs since 2008 (425 horses).
Turgeon (USA) 0% · 0–13
Progeny have won 12.3% of 3,189 runs since 2008 (341 horses). Weakest beyond 3m (all codes): 7.8% from 268.
Martaline (GB) 0% · 0–12
Progeny have won 14.2% of 7,347 runs since 2008 (723 horses). Weakest on Standard (AW) going: 9.4% from 128. Weakest over 1m – 1m1f (all codes): 10% from 120.
Ballingarry (IRE) 9.1% · 1–11
Progeny have won 10.4% of 2,432 runs since 2008 (309 horses). Weakest over 1m2f – 1m4f (all codes): 6.4% from 125.
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 6 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 293 · newest first

The latest 50 of 293 archived rides, newest first. The full record runs from 9 March 2005 to 9 April 2014.

DateCourseHorseRaceFinishSP

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 Sylvain Dupuis's strike rate?
Sylvain Dupuis has won 20 of 257 rides since 2008, a strike rate of 7.8% (as at 6 November 2026). Figures are computed from our own results archive.
Which course does Sylvain Dupuis do best at?
Auteuil (FR) by strike rate: 16 wins from 171 rides (9.4%) since 2008. 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 Sylvain Dupuis ride most for?
F Belmont, with 112 rides since 2008 — 44% of the total. That pairing has won 15 (13.4%).
What is Sylvain Dupuis's Fair A/E?
0.60, from 224 rides 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 6 November 2026, computed from our own results archive (2005 onwards; aggregates from 2008).