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Trainer profile

Sean Aherne

926 runners in the lifetime window · 111 individual horses
As at 8 Nov 2026 · KTB archive: 2005–present, updated daily
Last runner yesterday 96% of runners over jumps
from 1 Jan 2008 — the aggregate floor: every horse in the window has a complete captured career behind it
50–926
Wins / Runs
5.4%
Strike rate
n=926
173 (19%)
Placed
0.87
n=925 · 0.69 incl. margin
−358.75
£1 level stake
n=926 at SP · −38.7%
£529k
Prize money (window)
Strike by season
1.8%
KTB Yard Profile

Sends out around 50 runners a season, almost all over hurdles and fences, winning with 5% of them — a touch below the margin-free market read across the lifetime window (Fair A/E 0.87). New recruits from other yards win at 12% first time out (33 runs).

Deterministic profile computed from 926 archived runs (lifetime window) · updated 8 Nov 2026
KTB at a glance Fires Jan–Mar 15.8% when favourite Sean O'Keeffe: 7.9% from 165 New recruits: 12.1% Sends off the favourite in 4% of races
The read

The record is strongest at Clonmel (10.7%, n=75), clear of the yard's 5.4% baseline. It is weakest at Kilbeggan (0% over 35 runners) — the widest gap in the record. New recruits from other stables on their first run win at 12.1% (n=33, Fair A/E 3.10), but a horse having headgear put back on after a bare run has been a poor signal at 2% (n=49, Fair A/E 0.44). The market has consistently overbet horses returning fresh after 61+ days: 2.7% strike, Fair A/E 0.62 and −97.00 to a £1 stake over 221 runners — those runners underperform what the price implies. Sean O'Keeffe rides 18% of the entries and edges the yard's average (7.9% vs 5.4%, A/E 1.25) — the partnership beats the margin-free market read. The record reads poorly on Good to Firm going — 0% over 33 runners, 5.4pts below the baseline. The stable star of the record: Sheebadiva (IRE) — 6 wins from 27 runs for the yard. Seasonally, the yard fires Jan–Mar.

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

Yard patterns

the angles behind the record · vs 5.4% baseline
Fresh · 61+ days off
2.7%−2.7
n=221 · A/E 0.62 · £1 −97.00
New recruits · first run for the yard
12.1%+6.7
n=33 · A/E 3.10 · £1 +65.50
Debutants · first career start
2.8%−2.6
n=71 · A/E 0.45 · £1 −43.00
First-time headgear · true-first definition
2.2%−3.2
n=46 · A/E 0.58 · £1 −33.00
Headgear returns · back on after a bare run
2%−3.4
n=49 · A/E 0.44 · £1 −38.00
When favourite
15.8%
n=38 · A/E 0.66 · £1 −20.25
Claiming riders · a claimer in the saddle
5%−0.4
n=440 · A/E 0.88 · £1 −172.23
Group / Graded races · pattern & listed
0%−5.4
n=8 · A/E 0.00 · £1 −8.00

Each tile is the record in that situation vs the 5.4% 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
With Phillip Enright 13.9% vs 5.4% · n=72
With new recruits 12.1% vs 5.4% · n=33
At Clonmel 10.7% vs 5.4% · n=75
With Mike O'Connor 0% vs 5.4% · n=40
At Kilbeggan 0% vs 5.4% · n=35
On Good to Firm going 0% vs 5.4% · n=33
This filter uses derived form angles computed for 12.9% of the archive so far (as at 8 Nov 2026); the sample will grow as sequencing completes.
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 552 30 5.4% −163.67
Chase 275 16 5.8% −139.18
NH Flat 64 2 3.1% −46.90
Flat 35 2 5.7% −9.00

Going

GoingRWSR£1
Soft 340 22 6.5% −62.23
Heavy 237 16 6.8% −64.02
Good 204 9 4.4% −105.50
Good to Soft 104 3 2.9% −86.00
Good to Firm 33 0 0% −33.00
Firm 6 0 0% −6.00
Standard (AW) 2 0 0% −2.00

Courses

CourseRWSR£1
Cork 125 7 5.6% −15.00
Limerick 109 7 6.4% −10.50
Thurles 76 5 6.6% −0.50
Clonmel 75 8 10.7% +5.50
Tramore 71 1 1.4% −69.33
Fairyhouse 65 5 7.7% −18.77
Punchestown 63 1 1.6% −56.50
Killarney 44 4 9.1% −18.40
Tipperary 41 2 4.9% −20.00
Kilbeggan 35 0 0% −35.00
Wexford 33 2 6.1% −6.50
Listowel 25 0 0% −25.00
Gowran Park 24 0 0% −24.00
Navan 21 3 14.3% −0.75
Galway 19 0 0% −19.00

Class

ClassRWSR£1
Class 1 6 0 0% −6.00
Class 2 1 0 0% −1.00

Market position

In the bettingRWSRA/E£1
Favourite 46 7 15.2% 0.68 −22.25
2nd–3rd fav 115 14 12.2% 1.00 −23.50
4th–6th fav 234 18 7.7% 1.06 −6.50
7th+ in betting 531 11 2.1% 0.70 −306.50
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
81.4% completed · 827 obstacle runners (chases & hurdles)
CodeRCompFURPUBDOth
Chase 275 73.5% 14 11 47 1 0
Hurdle 552 85.3% 9 7 62 2 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
Nicole's Milan (IRE) 49 5 12 19 May 22
Shean Glory (IRE) 46 2 12 8 Jun 24
Analyse That (IRE) 46 3 8 4 Mar 20
Ask And Answer (IRE) 43 3 10 29 May 24
Johngus (IRE) 38 2 9 20 Nov 25
Stolen Moment (IRE) 30 3 8 14 Apr 23
The Border Boy (IRE) 28 1 3 13 Oct 26
Oneforgonzo (IRE) 26 3 6 6 Oct 26
Isourbell (IRE) 25 0 5 6 Apr 15
Only A Dollar (IRE) 22 1 2 22 Jul 26
Springmount (IRE) 21 1 5 28 Mar 10
Showing the 60 most-raced of the 111 horses sent out in this window — each ran at least 4 times. 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, 15 arrived from another yard in our archive, most often from Patrick G Kelly (3) and Gearoid Patrick Brouder (2); 45 had their first archived run for this yard.

9 have since run for another yard, most often for Michael G Cleary (2); 51 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 1
Only 1 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
8148472530364
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 riderSean O'Keeffe
18% of all rides
7.9% SR · A/E 1.25
RiderRWSR£1
Sean O'Keeffe 165 13 7.9% −6.00
Martin Ferris 112 4 3.6% −88.33
Miss S Ahern 105 7 6.7% −33.50
Phillip Enright 72 10 13.9% +43.00
Patrick Mangan 48 2 4.2% −9.00
Mike O'Connor 40 0 0% −40.00
Mr Derek O'Connor 32 2 6.3% −21.25
Muted rows are under 30 rides and sit behind "Show all".

Career highlights

lifetime archive, 2005→
61
Archived wins
£654k
Prize money
2021
Best season · 7 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.
Beantown (IRE) — Irish Stallion Farms EBF Beginners Chase Navan · Jan 2008
£13,129
Cailin Vic Mo Cri (IRE) — Rockview (qr) Mares Inh Flat Race Limerick · Mar 2007
£9,329
Dantys Hampshire (IRE) — Davin Arms Racing Club Beginners Chase Tipperary · Jul 2006
£8,983

Sires in the string

progeny record · win % by ground and trip
Shirocco (GER) 3% · 2–67
Progeny have won 11.1% of 9,192 runs since 2010 (922 horses). Weakest over 6f – 7f (all codes): 7.4% from 203.
Milan (GB) 10.2% · 5–49
Progeny have won 11.3% of 16,883 runs since 2008 (1,463 horses).
Fame And Glory (GB) 4.3% · 2–46
Progeny have won 12.5% of 6,212 runs since 2016 (504 horses).
Wareed (IRE) 6.5% · 3–46
Progeny have won 7.8% of 510 runs since 2009 (50 horses). Weakest over 1m5f – 2m (all codes): 4.5% from 157.
Ask (GB) 7% · 3–43
Progeny have won 10.6% of 3,219 runs since 2014 (283 horses).
Arakan (USA) 5.3% · 2–38
Progeny have won 9.2% of 3,467 runs since 2009 (266 horses). Weakest at trips under 6f (all codes): 4.5% from 134.
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 8 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 1,058 · newest first

The latest 50 of 1,058 archived runners, newest first. The full record runs from 3 January 2005 to 7 November 2026.

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 Sean Aherne's strike rate?
Sean Aherne has won 50 of 926 runners since 2008, a strike rate of 5.4% (as at 8 November 2026). Figures are computed from our own results archive.
Which course does Sean Aherne do best at?
Clonmel by strike rate: 8 wins from 75 runners (10.7%) 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.
Who rides most for Sean Aherne?
Sean O'Keeffe, with 165 runners since 2008 — 18% of the total. That pairing has won 13 (7.9%).
Is Sean Aherne in form?
Too few runners in the last 14 days to read — 1 runner, which is not a sample we will draw a conclusion from.
What is Sean Aherne's Fair A/E?
0.87, from 925 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 8 November 2026, computed from our own results archive (2005 onwards; aggregates from 2008).