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Jockey profile

Jack Dinsmore

22 rides in the lifetime window · 15 individual horses
As at 28 Oct 2026 · KTB archive: 2005–present, updated daily
Last ride Aug 2019 100% of rides on the flat
Last 5 seasons Lifetime (2014→)
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.
2–22
Wins / Runs
9.1%
Strike rate
n=22
5 (23%)
Placed
1.29
Fair A/E
n=22 · 1.11 incl. margin
+13.00
£1 level stake
n=22 at SP · +59.1%
£14,026
Prize money (window)
Strike by season
0%

Small sample — fewer than 30 runs in this window. Read the Ns before the percentages.

Riding patterns

the angles behind the record · vs 9.1% baseline
First ride on the horse · first captured pairing
13.3%+4.2
n=15 · A/E 2.07 · £1 +20.00
Last-time-out winners · previous run was a win
0%−9.1
n=2 · A/E 0.00 · £1 −2.00
Fresh horses · 61+ days off
0%−9.1
n=3 · A/E 0.00 · £1 −3.00
Claiming rides · riding with a claim
9.1%+0.0
n=22 · A/E 1.29 · £1 +13.00
Big fields · 14+ runners
0%−9.1
n=2 · A/E 0.00 · £1 −2.00

Each tile is the record in that situation vs the 9.1% 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

Going

GoingRWSR£1
Standard (AW) 17 1 5.9% −8.00
Good to Firm 2 1 50% +24.00
Soft 2 0 0% −2.00
Good 1 0 0% −1.00

Courses

CourseRWSR£1
Lingfield (AW) 7 0 0% −7.00
Southwell (AW) 3 0 0% −3.00
Wolverhampton (AW) 3 0 0% −3.00
Kempton (AW) 2 0 0% −2.00
Chelmsford City (AW) 2 1 50% +7.00
Salisbury 1 0 0% −1.00
Ascot 1 1 100% +25.00
Goodwood 1 0 0% −1.00
Lingfield 1 0 0% −1.00
Newbury 1 0 0% −1.00

Class

ClassRWSR£1
Class 6 12 0 0% −12.00
Class 5 7 1 14.3% +2.00
Class 7 2 0 0% −2.00
Class 3 1 1 100% +25.00

Market position

In the bettingRWSRA/E£1
2nd–3rd fav 3 0 0% 0.00 −3.00
4th–6th fav 9 1 11.1% 1.28 +0.00
7th+ in betting 10 1 10% 2.62 +16.00
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
Berwin (IRE) 4 0 1 4 Mar 15
Strategic Heights (IRE) 3 0 2 27 Jan 18
N Over J (GB) 2 0 0 31 May 19
Celestial Bay (GB) 2 1 1 14 Mar 15
Bond Angel (GB) 1 0 0 16 Aug 19
The Groove (GB) 1 0 0 12 Aug 19
Chinese Alphabet (GB) 1 0 0 14 Jun 19
Shifting Gold (IRE) 1 0 0 8 Jun 19
Sicario (IRE) 1 0 0 24 May 18
Sam Missile (IRE) 1 1 1 11 May 18
Palawan (GB) 1 0 0 16 Mar 18
Alifax (GB) 1 0 0 8 Mar 18
All 15 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.

Riding for

same window · biggest samples first
TrainerRWSR£1
Jamie Osborne 8 1 12.5% +18.00
Sylvester Kirk 8 1 12.5% +1.00
William Knight 4 0 0% −4.00
David Evans 2 0 0% −2.00
Muted rows are under 30 rides.

Career highlights

lifetime archive, 2014→
2
Archived wins
£14,026
Prize money
2018
Best season · 1 win
Sam Missile (IRE) — Wood & Wood Signs Apprentice Handicap Ascot · May 2018 · Class 3
£7,763
Celestial Bay (GB) — Bet Totequadpot Apprentice Fillies' Handicap Chelmsford City (AW) · Mar 2015 · Class 5
£2,588
Notable horses
Celestial Bay (GB) Sam Missile (IRE)

Sires of the horses ridden

progeny record · win % by ground and trip
Lawman (FR) 0% · 0–4
Progeny have won 8.9% of 9,423 runs since 2008 (730 horses).
Strategic Prince (GB) 0% · 0–3
Progeny have won 8.3% of 2,496 runs since 2008 (144 horses). Weakest on Heavy going: 4.3% from 141.
Kodiac (GB) 0% · 0–2
Progeny have won 10.4% of 23,566 runs since 2008 (1,665 horses). Strongest on Firm going: 14.3% from 147. Weakest over 2m1f – 2m4f (all codes): 7.1% from 254.
Septieme Ciel (USA) 50% · 1–2
Progeny have won 6.9% of 391 runs since 2008 (52 horses).
Acclamation (GB) 0% · 0–1
Progeny have won 10% of 19,696 runs since 2008 (1,327 horses). Strongest on Firm going: 15.2% from 151. Weakest over 2m1f – 2m4f (all codes): 6.7% from 194.
Azamour (IRE) 0% · 0–1
Progeny have won 13.1% of 4,328 runs since 2008 (351 horses). Weakest over 2m5f – 3m (all codes): 8.8% from 215.
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

all 22 archived runs · newest first

Every one of Jack Dinsmore's 22 archived rides, from 21 October 2014 to 16 August 2019, newest first — 2 winners among them.

DateCourseHorseRaceFinishSP
16 Aug 19 Newbury Bond Angel (GB)T: David Evans Mobile Pimm's Bars Apprentice HandicapClass 5 · 9f · Soft · 10 ran 8th 33/1
12 Aug 19 Wolverhampton (AW) The Groove (GB)T: David Evans This Is Gonna Get Tasty Baby Claiming StakesClass 6 · 6f · Standard · 9 ran 4th 16/1
14 Jun 19 Goodwood Chinese Alphabet (GB)T: William Knight Now Tv Apprentice HandicapClass 5 · 10f · Soft · 9 ran 5th 6/1
08 Jun 19 Lingfield (AW) Shifting Gold (IRE)T: William Knight Will Brooke Final Fling HandicapClass 6 · 10f · Standard · 11 ran 10th 33/1
31 May 19 Chelmsford City (AW) N Over J (GB)T: William Knight Ladies Day 20th June HandicapClass 6 · 7f · Standard · 14 ran 5th 12/1
16 May 19 Salisbury N Over J (GB)T: William Knight Shadwell Racing Excellence Apprentice HandicapClass 5 · 7f · Good To Firm · 10 ran 9th 8/1
24 May 18 Lingfield Sicario (IRE)T: Jamie Osborne Injured Jockeys Fund Novice StakesClass 5 · 7f · Good · 9 ran 5th 33/1
11 May 18 Ascot Sam Missile (IRE)T: Jamie Osborne Wood & Wood Signs Apprentice HandicapClass 3 · 16f · Good To Firm · 11 ran 1st 25/1
16 Mar 18 Lingfield (AW) Palawan (GB)T: Jamie Osborne Play For Free At sunbets.co.uk/vegas Claiming StakesClass 6 · 7f · Standard · 7 ran 6th 20/1
08 Mar 18 Southwell (AW) Alifax (GB)T: Jamie Osborne 32red HandicapClass 5 · 8f · Standard · 9 ran 8th 9/2
27 Jan 18 Lingfield (AW) Strategic Heights (IRE)T: Jamie Osborne Betway Sprint HandicapClass 6 · 6f · Standard · 9 ran 3rd 12/1
08 Jan 18 Wolverhampton (AW) Haraz (IRE)T: Jamie Osborne sunbets.co.uk Apprentice Handicap (Div 1)Class 6 · 7f · Standard · 9 ran 7th 9/1
11 Dec 17 Southwell (AW) Strategic Heights (IRE)T: Jamie Osborne Betway Classified Claiming StakesClass 6 · 6f · Standard · 10 ran 9th 9/2
13 Nov 17 Southwell (AW) Strategic Heights (IRE)T: Jamie Osborne Betway Apprentice Classified Claiming StakesClass 6 · 5f · Standard · 7 ran 2nd 12/1
14 Mar 15 Lingfield (AW) Celestial Bay (GB)T: Sylvester Kirk 32red.com All Weather 'hands And Heels' Apprentice Series Final HandicapClass 5 · 13f · Standard · 6 ran 5th 9/2
05 Mar 15 Chelmsford City (AW) Celestial Bay (GB)T: Sylvester Kirk Bet Totequadpot Apprentice Fillies' HandicapClass 5 · 13.5f · Standard · 5 ran 1st 8/1
04 Mar 15 Lingfield (AW) Berwin (IRE)T: Sylvester Kirk Ladbrokes All-weather 'hands And Heels' Apprentice Series HandicapClass 6 · 8f · Standard · 10 ran 9th 20/1
18 Feb 15 Kempton (AW) Berwin (IRE)T: Sylvester Kirk Racing Uk Anywhere All-weather 'hands And Heels' Apprentice Series HandicapClass 7 · 8f · Standard · 11 ran 7th 12/1
26 Nov 14 Kempton (AW) Berwin (IRE)T: Sylvester Kirk Bethany And Jack Gilbert All Weather 'Hands And Heels' Apprentice Series HandicapClass 7 · 8f · Standard · 13 ran 3rd 25/1
21 Nov 14 Wolverhampton (AW) Picnic In The Glen (GB)T: Sylvester Kirk 20 Risk-Free Bet At Unibet Apprentice HandicapClass 6 · 6f · Standard · 12 ran 10th 66/1

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 Jack Dinsmore's strike rate?
Jack Dinsmore has won 2 of 22 rides since 2008, a strike rate of 9.1% (as at 28 October 2026). Figures are computed from our own results archive. A small sample — fewer than 30 rides, so read the count before the percentage.
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).