A/E compares actual wins with what starting prices implied. "Fair" strips the bookmaker margin from the expectation, so favourites and longshots are judged on the same footing — figures near 1.00 mean the market priced this horse about right.
KTB Speed and Rating
KTB Speed
Best recent Speed121the best of the last 3 graded (A or B) runs · Fontwell, 12 Apr 2017
How fast the horse ran, as points against the day-corrected standard time for its course and distance: 100 is the median GB Class 4 handicap winner on that code; one point is 0.1% of the standard time. A, B or C is how much the day's card could tell us, not how good the run was. What this means →
Jumps 3 figures · best 121A · median 106
Going
Runs
Best
Median
Since 4 Nov 2025
Good
3
121A
106
—
Distance
Runs
Best
Median
Since 4 Nov 2025
1m5f – 2m
2
106B
98
—
2m1f – 2m4f
1
—
—
—
KTB Speed v1 · batch 15 Sep 2026 · GB & Irish racing only · 3 figures from 3 runs · as at 3 Oct 2026 · a record, not a forecast
KTB Rating
Best recent KTB Rating104Bthe best of the last 3 rated runs · Fontwell, 12 Apr 2017Official rating 108at the last run, 9 May 2017
What the horse achieved in each race, in pounds on the official-rating scale, from the weight carried, the lengths beaten and the race's own level solved across the archive — never the market, never the official rating as a starting point. The headline is the best of the horse's last three rated runs on that code — its best recent day. The KTB Rating on a racecard is a different reading of the same figures: the level the horse has been running to, an average of up to its last six runs with the latest counting most, so the two can differ. A, B or C on a run is how much known form was in that race. What this means →
Jumps 6 figures · best 113B · median 102.5
Going
Runs
Best
Median
Since 4 Nov 2025
Good
5
113B
103
—
Soft
1
—
—
—
Distance
Runs
Best
Median
Since 4 Nov 2025
1m5f – 2m
4
113B
102.5
—
2m1f – 2m4f
2
104B
100.5
—
KTB Rating v1 · batch 3 Oct 2026 · GB & Irish racing only · 6 figures from 6 runs · as at 4 Oct 2026 · a record, not a forecast
Both figures are KTB's own, computed from the archive; no vendor rating enters either. Every run's figure is on its form line below with its grade. Grades measure how much the archive could see, never the merit of the run.
Run style is derived from in-running commentary, which our data provider does not supply for this horse's races.
Pedigree intelligence
Sire
Malinas (GER)
Progeny in our archive have won 14.2% of 3,954 runs since Apr 2010 (419 horses).
Going
Runs
Wins
SR
vs sire
This horse
Firm
1
0
0%
−14.2
—
Good to Firm
37
6
16.2%
+2
—
Good
1,189
170
14.3%
+0.1
0 from 5
Good to Soft
920
141
15.3%
+1.1
1 from 2
Soft
1,237
166
13.4%
−0.8
1 from 2
Heavy
535
75
14%
−0.2
—
Standard (AW)
34
1
2.9%
−11.3
—
Distance (all codes)
Runs
Wins
SR
vs sire
This horse
6f – 7f
2
0
0%
−14.2
—
1m – 1m1f
12
1
8.3%
−5.9
—
1m2f – 1m4f
50
5
10%
−4.2
1 from 1
1m5f – 2m
1,103
153
13.9%
−0.3
1 from 6
2m1f – 2m4f
1,370
182
13.3%
−0.9
0 from 2
2m5f – 3m
1,085
178
16.4%
+2.2
—
Over 3m
332
41
12.3%
−1.9
—
Flat and jumps together (all codes) · since Apr 2010 · as at 4 Nov 2026 · rows under 30 runs muted · win % is the measure, a record not a forecast
Splits include every sample, however small — muted rows are under 3 runs. A one-from-one record is a fact, not a trend: read the Runs column before the strike rate.
Boston De La Roche (FR) won 2 of 9 archived starts between 2015 and 2017, a strike rate of 22.2%. Placed 2 times in total (22.2% of starts).
Who trained Boston De La Roche?
Boston De La Roche (FR) was trained by Dan Skelton on the most recent run on record, at Ffos Las on 9 May 2017.
Who is Boston De La Roche's sire?
Boston De La Roche (FR) is by Malinas (GER) out of Quesland de la roche (FR), whose sire is Arnaqueur.
What is Boston De La Roche's official rating?
The most recent official rating on record is 108, from the run on 9 May 2017. The highest on record is 111.
What is Boston De La Roche's sire's record?
Malinas (GER)'s progeny in our archive have won 14.2% of 3,954 runs since Apr 2010 (419 horses), Flat and jumps together.
Who are Boston De La Roche's siblings?
Out of Quesland de la roche (FR), Boston De La Roche (FR) has 1 other produce in our archive, 0 of them winners. As at Nov 2026.
Boston De La Roche (FR)·2–9·SR 22.2%
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