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 Speed98the best of the last 2 graded (A or B) runs · Cartmel, 29 May 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 4 figures · best 98A · median 86.5
Going
Runs
Best
Median
Since 21 Oct 2025
Good to Soft
2
84C
83.5
—
Good
1
—
—
—
Soft
1
—
—
—
Distance
Runs
Best
Median
Since 21 Oct 2025
2m1f – 2m4f
3
98A
89
—
1m5f – 2m
1
—
—
—
Of 6 runs looked at, 2 have no figure: not enough races on the card to set the day (under 4) (1) · did not complete (1).
KTB Speed v1 · batch 15 Sep 2026 · GB & Irish racing only · 4 figures from 6 runs · as at 3 Oct 2026 · a record, not a forecast
KTB Rating
Best recent KTB Rating100Bthe best of the last 3 rated runs · Cartmel, 26 Aug 2017Official rating 102at the last run, 23 Dec 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. A, B or C on a run is how much known form was in that race. What this means →
Jumps 6 figures · best 104B · median 93
Going
Runs
Best
Median
Since 21 Oct 2025
Soft
2
104B
98
—
Good to Soft
2
100B
90.5
—
Good
1
—
—
—
Heavy
1
—
—
—
Distance
Runs
Best
Median
Since 21 Oct 2025
2m1f – 2m4f
4
104B
97
—
1m5f – 2m
2
92C
86.5
—
Of 7 runs looked at, 1 has no figure: did not complete (or a non-runner row) (1).
KTB Rating v1 · batch 3 Oct 2026 · GB & Irish racing only · 6 figures from 7 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
Coroner (IRE)
Progeny in our archive have won 5.3% of 226 runs since Jan 2008 (26 horses).
Going
Runs
Wins
SR
vs sire
This horse
Good to Firm
10
0
0%
−5.3
—
Good
92
1
1.1%
−4.2
0 from 1
Good to Soft
20
1
5%
−0.3
0 from 2
Soft
67
6
9%
+3.7
0 from 3
Heavy
24
4
16.7%
+11.4
0 from 1
Standard (AW)
13
0
0%
−5.3
—
Distance (all codes)
Runs
Wins
SR
vs sire
This horse
Under 6f
1
0
0%
−5.3
—
6f – 7f
9
0
0%
−5.3
—
1m – 1m1f
19
1
5.3%
0
—
1m2f – 1m4f
14
0
0%
−5.3
—
1m5f – 2m
54
3
5.6%
+0.3
0 from 2
2m1f – 2m4f
85
6
7.1%
+1.8
0 from 4
2m5f – 3m
41
2
4.9%
−0.4
0 from 1
Over 3m
3
0
0%
−5.3
—
Flat and jumps together (all codes) · since Jan 2008 · as at 21 Oct 2026 · rows under 30 runs muted · win % is the measure, a record not a forecast
Dam
Celtic Serenade (IRE) (Yashgan)
3 siblings in the archive, 1 winner — best of them Bigbadjohn (IRE) (6 wins).
The wins came over 2m4f–3m2½f; the highest grade won is Grade 2 (Bigbadjohn (IRE)).
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.
Nailer (IRE) has yet to win, from 7 archived starts between 2015 and 2017.
Who trained Nailer (IRE)?
Nailer (IRE) was trained by Tristan Davidson on the most recent run on record, at Newcastle on 23 December 2017.
Who is Nailer (IRE)'s sire?
Nailer (IRE) is by Coroner (IRE) out of Celtic Serenade (IRE), whose sire is Yashgan.
What is Nailer (IRE)'s official rating?
The most recent official rating on record is 102, from the run on 23 December 2017. The highest on record is 108.
What is Nailer (IRE)'s sire's record?
Coroner (IRE)'s progeny in our archive have won 5.3% of 226 runs since Jan 2008 (26 horses), Flat and jumps together.
Who are Nailer (IRE)'s siblings?
Out of Celtic Serenade (IRE), Nailer (IRE) has 3 other produce in our archive, 1 of them a winner. Most wins: Bigbadjohn (IRE) (6). Highest grade won: Grade 2 (Bigbadjohn (IRE)). The wins came over 2m4f–3m2½f. As at Oct 2026.
Nailer (IRE)·0–7·SR 0%
KTB
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