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Jockey profile

James Diment

49 rides in the lifetime window · 28 individual horses
As at 28 Oct 2026 · KTB archive: 2005–present, updated daily
Last ride Jun 2008 100% of rides over jumps
Last 5 seasons Lifetime (2008→)
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.
3–49
Wins / Runs
6.1%
Strike rate
n=49
12 (25%)
Placed
1.16
Fair A/E
n=49 · 0.95 incl. margin
−11.50
£1 level stake
n=49 at SP · −23.5%
£19,394
Prize money (window)

Riding patterns

the angles behind the record · vs 6.1% baseline
First ride on the horse · first captured pairing
10.5%+4.4
n=19 · A/E 3.63 · £1 +11.00
Last-time-out winners · previous run was a win
25%+18.9
n=4 · A/E 1.56 · £1 +11.00
Fresh horses · 61+ days off
16.7%+10.6
n=12 · A/E 3.66 · £1 +18.00
Claiming rides · riding with a claim
6.1%+0.0
n=49 · A/E 1.16 · £1 −11.50
Big fields · 14+ runners
12%+5.9
n=25 · A/E 2.83 · £1 +12.50

Each tile is the record in that situation vs the 6.1% baseline — descriptive splits with the sample always shown, not tips. 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.

Record by conditions

same window as header

Race type

TypeRWSR£1
Hurdle 26 3 11.5% +11.50
Chase 16 0 0% −16.00
NH Flat 7 0 0% −7.00

Going

GoingRWSR£1
Good 20 0 0% −20.00
Soft 13 0 0% −13.00
Good to Soft 9 3 33.3% +28.50
Heavy 5 0 0% −5.00
Good to Firm 1 0 0% −1.00
Standard (AW) 1 0 0% −1.00

Courses

CourseRWSR£1
Chepstow 5 0 0% −5.00
Hereford 5 1 20% +10.00
Plumpton 4 0 0% −4.00
Taunton 4 0 0% −4.00
Ludlow 3 0 0% −3.00
Kempton 3 0 0% −3.00
Carlisle 2 0 0% −2.00
Fakenham 2 0 0% −2.00
Fontwell 2 0 0% −2.00
Uttoxeter 2 1 50% +13.00
Southwell 2 0 0% −2.00
Cheltenham 1 0 0% −1.00
Hexham 1 0 0% −1.00
Leicester 1 0 0% −1.00
Haydock 1 0 0% −1.00

Class

ClassRWSR£1
Class 5 21 1 4.8% −13.50
Class 4 17 1 5.9% −2.00
Class 3 4 1 25% +11.00
Class 6 4 0 0% −4.00
Class 2 3 0 0% −3.00

Market position

In the bettingRWSRA/E£1
2nd–3rd fav 7 1 14.3% 1.01 +0.50
4th–6th fav 9 1 11.1% 1.41 +6.00
7th+ in betting 33 1 3% 1.12 −18.00
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
59.5% completed · 42 obstacle rides (chases & hurdles)
CodeRCompFURPUBDOth
Chase 16 43.8% 2 1 6 0 0
Hurdle 26 69.2% 1 1 6 0 0
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
Castlemainevillage (IRE) 4 1 4 28 May 08
Byways Boy (GB) 4 0 1 21 Apr 08
Moon Star (GER) 3 1 2 18 Apr 08
Trampoline King (USA) 3 0 1 5 Apr 08
Prelude d'Estruval (FR) 3 0 0 22 Mar 08
Artic Reason (IRE) 3 0 0 10 Feb 08
Bob's Sister (IRE) 2 0 0 30 Apr 08
Weet For Ever (USA) 2 0 0 25 Apr 08
Chariot (IRE) 2 0 0 7 Apr 08
Come On Jim (IRE) 2 0 0 24 Mar 08
Ambrosinni (GB) 2 1 2 23 Mar 08
Menelaus (GB) 2 0 0 18 Mar 08
All 28 horses ridden in this window. 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
01300330······
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
TrainerRWSR£1
P A Blockley 13 1 7.7% +2.00
Martin Bosley 11 1 9.1% −3.50
Arthur Whiting 6 0 0% −6.00
Kevin Morgan 4 0 0% −4.00
Anna Brooks 4 0 0% −4.00
John Spearing 4 1 25% +11.00
Dai Williams 3 0 0% −3.00
Robert Waley-Cohen 3 0 0% −3.00
P S Payne 1 0 0% −1.00
Muted rows are under 30 rides.

Career highlights

lifetime archive, 2005→
21
Archived wins
£122k
Prize money
2006
Best season · 8 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.
Devils River (IRE) — ladbrokes.com Handicap Hurdle Leicester · Dec 2007 · Class 3
£6,338
Letitia's Loss (IRE) — Kevin Taylor & Associates 10th Anniversary Handicap Hurdle Fakenham · Dec 2006 · Class 4
£5,482
Franco (IRE) — Total Cogop UK Handicap Hurdle Towcester · Nov 2007 · Class 3
£5,070
Notable horses
Sashenka (GB) Young Owen (GB) Franco (IRE) Earl Of Spectrum (GER) Devils River (IRE) Oulton Broad (GB)

Sires of the horses ridden

progeny record · win % by ground and trip
Groom Dancer (USA) 0% · 0–4
Progeny have won 7% of 1,020 runs since 2008 (94 horses).
Supreme Leader (GB) 25% · 1–4
Progeny have won 9.2% of 2,984 runs since 2008 (349 horses).
Goofalik (USA) 33.3% · 1–3
Progeny have won 15.7% of 127 runs since 2008 (13 horses).
Perugino (USA) 0% · 0–3
Progeny have won 7.5% of 704 runs since 2008 (63 horses). Weakest on Good to Firm going: 1.8% from 114. Strongest over 1m5f – 2m (all codes): 10.9% from 184.
Sheyrann (IRE) 0% · 0–3
Progeny have won 6.3% of 128 runs since 2008 (21 horses).
Trempolino (USA) 0% · 0–3
Progeny have won 9.8% of 2,003 runs since 2008 (173 horses). Weakest on Standard (AW) going: 2.5% from 199. Weakest over 1m – 1m1f (all codes): 5% from 119.
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 28 Oct 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 333 · newest first

The latest 50 of 333 archived rides, newest first. The full record runs from 6 January 2005 to 5 June 2008.

DateCourseHorseRaceFinishSP
05 Jun 08 Wetherby Raider of The East (IRE)T: Kevin Morgan Greased Lightnin' Standard Open NH FlatClass 6 · 16f · Good · 14 ran 4th 12/1
28 May 08 Southwell Castlemainevillage (IRE)T: Martin Bosley Look For Better Odds At Betdaq 'NH' Novices' Handicap HurdleClass 4 · 21.5f · Good · 13 ran 2nd 7/2
02 May 08 Bangor-on-Dee Castlemainevillage (IRE)T: Martin Bosley Red Cross Week Selling Handicap HurdleClass 5 · 19.5f · Good To Soft · 18 ran 1st 13/2
01 May 08 Hereford Lannacombe Clover (GB)T: Kevin Morgan Barrels Pub Stowen Street Intermediate Open NH Flat RaceClass 6 · 16f · Good · 16 ran 2nd 25/1
30 Apr 08 Worcester Bob's Sister (IRE)T: Martin Bosley Ladbrokes Maiden Open NH Flat Race (Div 1)Class 6 · 16f · Soft · 11 ran 11th 20/1
25 Apr 08 Newton Abbot Weet For Ever (USA)T: P A Blockley Going, Going, Gone Selling HurdleClass 5 · 17f · Good To Soft · 10 ran 4th 17/2
21 Apr 08 Sedgefield Byways Boy (GB)T: P A Blockley totesport 0800 221 221 Novices' Handicap ChaseClass 5 · 26.5f · Good · 15 ran UR 28/1
18 Apr 08 Cheltenham Moon Star (GER)T: P A Blockley Gloucestershire Trainers' Championship Handicap HurdleClass 2 · 17f · Good · 19 ran 7th 22/1
10 Apr 08 Towcester Sun God (GB)T: Anna Brooks Free Tips At gg.com Standard Open NH Flat RaceClass 5 · 16f · Good · 15 ran 6th 66/1
09 Apr 08 Ludlow Weet For Ever (USA)T: P A Blockley Ludlow Point To Point - Bitterley 12Th April Claiming HurdleClass 4 · 16f · Good · 18 ran 9th 50/1
07 Apr 08 Plumpton Chariot (IRE)T: Martin Bosley Survey Roofing Selling Handicap HurdleClass 5 · 16f · Heavy · 9 ran 5th 15/2
05 Apr 08 Chepstow Trampoline King (USA)T: Arthur Whiting John Smith's Premier Club Handicap ChaseClass 5 · 23.5f · Good · 14 ran PU 20/1
05 Apr 08 Chepstow Castlemainevillage (IRE)T: Martin Bosley John Smith's Exeter Inn Neath Selling Handicap HurdleClass 5 · 19.5f · Good · 17 ran 2nd 8/1
03 Apr 08 Taunton Sashenka (GB)T: John Spearing southwest-racing.com Handicap HurdleClass 4 · 19f · Good · 13 ran PU 33/1
30 Mar 08 Kempton Chariot (IRE)T: Martin Bosley intercasino.co.Uk Handicap HurdleClass 5 · 16f · Soft · 17 ran UR 12/1
24 Mar 08 Plumpton Come On Jim (IRE)T: Arthur Whiting Alexanders Catering Events Handicap HurdleClass 5 · 25f · Heavy · 11 ran PU 33/1
24 Mar 08 Plumpton Trampoline King (USA)T: Arthur Whiting Cloud 9 Fitness Centre Selling Handicap ChaseClass 5 · 17f · Heavy · 8 ran 5th 13/2
23 Mar 08 Plumpton Ambrosinni (GB)T: John Spearing toteplacepot Novices' HurdleClass 4 · 20.5f · Heavy · 10 ran 2nd 3/1
22 Mar 08 Haydock Prelude d'Estruval (FR)T: Robert Waley-Cohen Red Square Vodka Fixed Brush Novices' Handicap Hurdle FinalClass 2 · 19f · Good To Soft · 14 ran PU 66/1
18 Mar 08 Exeter Menelaus (GB)T: Kevin Morgan Tozers Solicitors Novices' Handicap ChaseClass 4 · 23.5f · Soft · 9 ran 7th 25/1

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 James Diment's strike rate?
James Diment has won 3 of 49 rides since 2008, a strike rate of 6.1% (as at 28 October 2026). Figures are computed from our own results archive.
What is James Diment's Fair A/E?
1.16, from 49 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 28 October 2026, computed from our own results archive (2005 onwards; aggregates from 2008).