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Jockey profile

Emma Smith-Chaston

454 rides in the last 5 seasons · 132 individual horses
As at 6 Nov 2026 · KTB archive: 2005–present, updated daily
Last ride Apr 2025 100% of rides over jumps
from 1 Jan 2022
47–454
Wins / Runs
10.4%
Strike rate
n=454
114 (25%)
Placed
1.17
n=452 · 1.01 incl. margin
−136.79
£1 level stake
n=454 at SP · −30.1%
£408k
Prize money (window)
Strike by season
5.4%
KTB Rider Profile

Rides around 90 times a season, almost all over hurdles and fences, winning on 10% of them — beating the margin-free market read across five seasons (Fair A/E 1.17). Riding last-time-out winners the record reads 24% (50 rides). Rides mostly for Micky Hammond — 68% of rides in the window.

Deterministic profile computed from 454 archived runs (last 5 seasons) · updated 6 Nov 2026
KTB at a glance Micky Hammond: 12.6% from 310 LTO winners: 24% Claiming: 10.5%
The read

The record is strongest at Sedgefield (17.6%, n=68) and Catterick (15.3%, n=59) — all clear of the rider's 10.4% baseline. Rides on last-time-out winners have been a positive signal at 24% (n=50, Fair A/E 1.33), but rides in big fields of 14 or more have been a poor signal at 2.3% (n=43, Fair A/E 0.57). Micky Hammond supplies 68% of the rides and edges the rider's average (12.6% vs 10.4%, A/E 1.27) — the partnership beats the margin-free market read. The rider also reads well beyond 3m (17.8%, n=45). The record reads poorly in Class 3 — 2.6% over 39 rides, 7.8pts below the baseline. The standout partner of the record: Larry Looby (IRE) — 5 wins from 9 rides together.

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

Riding patterns

the angles behind the record · vs 10.4% baseline
First ride on the horse · first captured pairing
10.2%−0.2
n=118 · A/E 1.55 · £1 −15.00
Last-time-out winners · previous run was a win
24%+13.6
n=50 · A/E 1.33 · £1 +8.13
Fresh horses · 61+ days off
8.6%−1.8
n=116 · A/E 1.37 · £1 −1.84
When favourite
55.6%
n=18 · A/E 1.67 · £1 +6.51
Claiming rides · riding with a claim
10.5%+0.1
n=427 · A/E 1.16 · £1 −129.12
Big fields · 14+ runners
2.3%−8.1
n=43 · A/E 0.57 · £1 −37.00
Group / Graded races · pattern & listed
0%−10.4
n=2 · A/E 0.00 · £1 −2.00

Each tile is the record in that situation vs the 10.4% 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
On last-time-out winners 24% vs 10.4% · n=50
At Sedgefield 17.6% vs 10.4% · n=68
In Class 3 2.6% vs 10.4% · n=39
With C&D winners 16.9% vs 10.4% · n=77
Beyond 3m 17.8% vs 10.4% · n=45
At Catterick 15.3% vs 10.4% · n=59
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 278 26 9.4% −112.64
Chase 168 21 12.5% −16.15
NH Flat 8 0 0% −8.00

Going

GoingRWSR£1
Soft 161 17 10.6% −59.05
Good 123 10 8.1% −35.84
Good to Soft 105 11 10.5% −32.75
Heavy 60 8 13.3% −6.25
Good to Firm 3 1 33.3% −0.90
Standard (AW) 2 0 0% −2.00

Courses

CourseRWSR£1
Sedgefield 68 12 17.6% −3.57
Wetherby 62 5 8.1% +6.91
Catterick 59 9 15.3% −4.63
Hexham 57 6 10.5% −16.00
Newcastle 41 3 7.3% −25.25
Carlisle 30 2 6.7% −13.50
Market Rasen 26 4 15.4% +1.75
Kelso 21 0 0% −21.00
Perth 18 2 11.1% −11.00
Ayr 15 1 6.7% −7.00
Cartmel 11 2 18.2% −2.00
Musselburgh 8 0 0% −8.00
Southwell 5 0 0% −5.00
Doncaster 5 0 0% −5.00
Haydock 5 0 0% −5.00

Class

ClassRWSR£1
Class 5 230 28 12.2% −61.30
Class 4 172 18 10.5% −27.99
Class 3 39 1 2.6% −34.50
Class 2 11 0 0% −11.00
Class 1 2 0 0% −2.00

Market position

In the bettingRWSRA/E£1
Favourite 24 13 54.2% 1.78 +13.09
2nd–3rd fav 78 15 19.2% 1.13 −0.88
4th–6th fav 183 18 9.8% 1.25 +9.00
7th+ in betting 169 1 0.6% 0.19 −158.00
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
87.7% completed · 446 obstacle rides (chases & hurdles)
CodeRCompFURPUBDOth
Chase 168 81% 6 7 19 0 0
Hurdle 278 91.7% 4 1 17 0 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 ridden

same window as header · most-raced first
HorseRWPlLast ran
Foster'sisland (GB) 21 1 7 22 Apr 25
Mister Bells (IRE) 16 2 3 28 Mar 25
Balkotic (FR) 14 2 4 3 Apr 25
Applaus (GER) 13 2 5 30 Mar 24
Contre Ordre (FR) 12 1 2 14 Jul 24
Not What It Seems (IRE) 11 3 4 14 Jun 24
Desaray Girl (FR) 10 3 4 15 Feb 23
Great Raffles (FR) 9 0 2 7 Mar 25
Living's Boy An Co (FR) 9 1 3 12 Jan 24
Kildrum (IRE) 9 2 4 28 Nov 23
Larry Looby (IRE) 9 5 5 14 Apr 23
Halpha Soleil (FR) 8 2 3 13 Mar 25
Showing the 60 most-raced of the 132 horses ridden in this window — each ran at least 2 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.

By month

strike by month, 5 seasons
JFMAMJJASOND
12810812162120813107
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 yardMicky Hammond
68% of all rides
12.6% SR · A/E 1.27
TrainerRWSR£1
Micky Hammond 310 39 12.6% −50.49
Muted rows are under 30 rides and sit behind "Show all".

Career highlights

lifetime archive, 2017→
64
Archived wins
£531k
Prize money
2022
Best season · 23 wins
Foster'sisland (GB) — Broxton Gates Handicap Hurdle Bangor-on-Dee · Mar 2023 · Class 3
£7,805
Silkstone (IRE) — At The Races App Form Study Conditional Jockeys' Handicap Hurdle Sedgefield · Nov 2022 · Class 5
£6,862
Dontdelay (IRE) — Hexham Long Distance Handicap Chase Hexham · Nov 2019 · Class 4
£6,758

Sires of the horses ridden

progeny record · win % by ground and trip
Trans Island (GB) 4.8% · 1–21
Progeny have won 9% of 4,741 runs since 2008 (295 horses).
Kapgarde (FR) 11.1% · 2–18
Progeny have won 12.5% of 6,634 runs since 2008 (725 horses).
Power (GB) 11.8% · 2–17
Progeny have won 9.5% of 2,725 runs since 2016 (195 horses). Strongest on Good to Firm going: 13.3% from 353. Weakest on Heavy going: 6.2% from 161.
Milan (GB) 12.5% · 2–16
Progeny have won 11.3% of 16,876 runs since 2008 (1,463 horses).
Martinborough (JPN) 6.7% · 1–15
Progeny have won 12% of 664 runs since 2020 (79 horses). Strongest over 2m1f – 2m4f (all codes): 16.7% from 162.
Balko (FR) 14.3% · 2–14
Progeny have won 12.7% of 2,661 runs since 2011 (297 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 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 626 · newest first

The latest 50 of 626 archived rides, newest first. The full record runs from 31 May 2017 to 22 April 2025.

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 Emma Smith-Chaston's strike rate?
Emma Smith-Chaston has won 47 of 454 rides since 2022, a strike rate of 10.4% (as at 6 November 2026). Figures are computed from our own results archive.
Which course does Emma Smith-Chaston do best at?
Sedgefield by strike rate: 12 wins from 68 rides (17.6%) 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 Emma Smith-Chaston ride most for?
Micky Hammond, with 310 rides since 2022 — 68% of the total. That pairing has won 39 (12.6%).
What is Emma Smith-Chaston's Fair A/E?
1.17, from 452 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 6 November 2026, computed from our own results archive (2005 onwards; aggregates from 2008).